S-1132B48-M5T1U - Seiko Instruments USA, Inc.

S-1132 Series

www.sii-ic.com

HIGH RIPPLE-REJECTION AND LOW DROPOUT

MIDDLE OUTPUT CURRENT CMOS VOLTAGE REGULATOR

Seiko Instruments Inc. 1

The S-1132 Series is a positive voltage regulator with a low dropout voltage, high output voltage accuracy, and low current

consumption (300 mA output current) developed based on CMOS technology.

A 0.1 μF small ceramic capacitor can be used. It operates with low current consumption of 20 μA typ.

A built-in Output current protector prevents the load current from exceeding the current capacitance of the output transistor.

Compared with the conventional 300 mA output current CMOS voltage regulators, high-density mounting is realized by

using the super-small SNT-6A(H) package and a 0.1μF small ceramic capacitor.

Also, the low current consumption makes the S-1132 series ideal for mobile devices.

 Features

• Output voltage: 1.5 V to 5.5 V, selectable in 0.1 V steps.

• Low ESR capacitor can be used: A ceramic capacitor of 0.1 μF or more can be used for the output capacitor.

• Wide input voltage range: 2.0 V to 6.5 V

• High-accuracy output voltage: ±1.0%

• Low dropout voltage: 130 mV typ. (3.0 V output product, IOUT = 100 mA)

• Low current consumption: During operation: 20 μA typ., 40 μA max.

During shutdown: 0.01 μA typ., 1.0 μA max.

• Output current: 300 mA output is possible (at VIN ≥ VOUT(S) + 1.0 V)*1

• High ripple rejection: 70 dB typ. (at 1.0 kHz)

• Built-in overcurrent protector: Overcurrent of output transistor can be restricted.

• Built-in ON/OFF circuit: Ensures long battery life.

• Lead-free, Sn 100%, halogen-free*2

*1. Attention should be paid to the power dissipation of the package when the output current is large.

*2. Refer to “ Product Name Structure” for details.

 Applications

• Power supply for battery-powered devices

• Power supply for personal communication devices

• Power supply for home electric/electronic appliances

• Power supply for cellular phones

 Packages

• SOT-23-5

• SOT-89-5

• SNT-6A(H)

HIGH RIPPLE-REJECTION LOW DROPOUT MIDDLE OUTPUT CURRENT CMOS VOLTAGE REGULATOR

S-1132 Series Rev.4.0_00

2 Seiko Instruments Inc.

 Block Diagram

VIN

VSS

VOUT

Overcurrent

protector

Reference

voltag e circuit

ON/OFF

*1. Parasitic diode

ON/OFF

circuit

−

Figure 1

HIGH RIPPLE-REJECTION LOW DROPOUT MIDDLE OUTPUT CURRENT CMOS VOLTAGE REGULATOR

Rev.4.0_00 S-1132 Series

Seiko Instruments Inc. 3

 Product Name Structure

• The product types, output voltage, and package types for the S-1132 Series can be selected at the user’s request.

Refer to the “1. Product name” for the meanings of the characters in the product name, “2. Package” regarding

the package drawings and “3. Product name list” for the full product names.

1. Product name

S-1132 x xx − xxxx x

Out put vol tage

15 to 55

(e.g., when the output voltage is 1.5 V, it i s expr essed as 15.)

Environmental code

U: Lead-free ( Sn 100%) , halogen-free

G: Lead-fr ee (for details, please contact our sales office)

Product t ype*2

A: ON/ O FF pin negative logi c

B: ON/ O FF pi n positive logic

Package abbr eviat i on and I C packing specifi cat i ons *1

M5T1: SOT-23-5, Tape

U5T1: SOT-89-5, Tape

I6T2: SNT-6A(H), Tape

*1. Refer to the tape specifications at the end of this book.

*2. Refer to 3. Shutdown pin (ON/OFF pin) in the “Operation”.

2. Package

Drawing Code

Package Name Package Tape Reel Land

SOT-23-5 MP005-A-P-SD MP005-A-C-SD MP005-A-R-SD ⎯

SOT-89-5 UP005-A-P-SD UP005-A-C-SD UP005-A-R-SD ⎯

SNT-6A(H) PI006-A-P-SD PI006-A-C-SD PI006-A-R-SD PI006-A-L-SD

HIGH RIPPLE-REJECTION LOW DROPOUT MIDDLE OUTPUT CURRENT CMOS VOLTAGE REGULATOR

S-1132 Series Rev.4.0_00

4 Seiko Instruments Inc.

3. Product name list

Table 1

Output Voltage SOT-23-5 SOT-89-5 SNT-6A(H)

1.5 V ±1.0% S-1132B15-M5T1x S-1132B15-U5T1x S-1132B15-I6T2x

1.6 V ±1.0% S-1132B16-M5T1x S-1132B16-U5T1x S-1132B16-I6T2x

1.7 V ±1.0% S-1132B17-M5T1x S-1132B17-U5T1x S-1132B17-I6T2x

1.8 V ±1.0% S-1132B18-M5T1x S-1132B18-U5T1x S-1132B18-I6T2x

1.9 V ±1.0% S-1132B19-M5T1x S-1132B19-U5T1x S-1132B19-I6T2x

2.0 V ±1.0% S-1132B20-M5T1x S-1132B20-U5T1x S-1132B20-I6T2x

2.1 V ±1.0% S-1132B21-M5T1x S-1132B21-U5T1x S-1132B21-I6T2x

2.2 V ±1.0% S-1132B22-M5T1x S-1132B22-U5T1x S-1132B22-I6T2x

2.3 V ±1.0% S-1132B23-M5T1x S-1132B23-U5T1x S-1132B23-I6T2x

2.4 V ±1.0% S-1132B24-M5T1x S-1132B24-U5T1x S-1132B24-I6T2x

2.5 V ±1.0% S-1132B25-M5T1x S-1132B25-U5T1x S-1132B25-I6T2x

2.6 V ±1.0% S-1132B26-M5T1x S-1132B26-U5T1x S-1132B26-I6T2x

2.7 V ±1.0% S-1132B27-M5T1x S-1132B27-U5T1x S-1132B27-I6T2x

2.8 V ±1.0% S-1132B28-M5T1x S-1132B28-U5T1x S-1132B28-I6T2x

2.9 V ±1.0% S-1132B29-M5T1x S-1132B29-U5T1x S-1132B29-I6T2x

3.0 V ±1.0% S-1132B30-M5T1x S-1132B30-U5T1x S-1132B30-I6T2x

3.1 V ±1.0% S-1132B31-M5T1x S-1132B31-U5T1x S-1132B31-I6T2x

3.2 V ±1.0% S-1132B32-M5T1x S-1132B32-U5T1x S-1132B32-I6T2x

3.3 V ±1.0% S-1132B33-M5T1x S-1132B33-U5T1x S-1132B33-I6T2x

3.4 V ±1.0% S-1132B34-M5T1x S-1132B34-U5T1x S-1132B34-I6T2x

3.5 V ±1.0% S-1132B35-M5T1x S-1132B35-U5T1x S-1132B35-I6T2x

3.6 V ±1.0% S-1132B36-M5T1x S-1132B36-U5T1x S-1132B36-I6T2x

3.7 V ±1.0% S-1132B37-M5T1x S-1132B37-U5T1x S-1132B37-I6T2x

3.8 V ±1.0% S-1132B38-M5T1x S-1132B38-U5T1x S-1132B38-I6T2x

3.9 V ±1.0% S-1132B39-M5T1x S-1132B39-U5T1x S-1132B39-I6T2x

4.0 V ±1.0% S-1132B40-M5T1x S-1132B40-U5T1x S-1132B40-I6T2x

4.1 V ±1.0% S-1132B41-M5T1x S-1132B41-U5T1x S-1132B41-I6T2x

4.2 V ±1.0% S-1132B42-M5T1x S-1132B42-U5T1x S-1132B42-I6T2x

4.3 V ±1.0% S-1132B43-M5T1x S-1132B43-U5T1x S-1132B43-I6T2x

4.4 V ±1.0% S-1132B44-M5T1x S-1132B44-U5T1x S-1132B44-I6T2x

4.5 V ±1.0% S-1132B45-M5T1x S-1132B45-U5T1x S-1132B45-I6T2x

4.6 V ±1.0% S-1132B46-M5T1x S-1132B46-U5T1x S-1132B46-I6T2x

4.7 V ±1.0% S-1132B47-M5T1x S-1132B47-U5T1x S-1132B47-I6T2x

4.8 V ±1.0% S-1132B48-M5T1x S-1132B48-U5T1x S-1132B48-I6T2x

4.9 V ±1.0% S-1132B49-M5T1x S-1132B49-U5T1x S-1132B49-I6T2x

5.0 V ±1.0% S-1132B50-M5T1x S-1132B50-U5T1x S-1132B50-I6T2x

5.1 V ±1.0% S-1132B51-M5T1x S-1132B51-U5T1x S-1132B51-I6T2x

5.2 V ±1.0% S-1132B52-M5T1x S-1132B52-U5T1x S-1132B52-I6T2x

5.3 V ±1.0% S-1132B53-M5T1x S-1132B53-U5T1x S-1132B53-I6T2x

5.4 V ±1.0% S-1132B54-M5T1x S-1132B54-U5T1x S-1132B54-I6T2x

5.5 V ±1.0% S-1132B55-M5T1x S-1132B55-U5T1x S-1132B55-I6T2x

Remark 1. Please contact the SII marketing department for products with type A products.

2. x: G or U

3. Please select products of environmental code = U for Sn 100%, halogen-free products.

HIGH RIPPLE-REJECTION LOW DROPOUT MIDDLE OUTPUT CURRENT CMOS VOLTAGE REGULATOR

Rev.4.0_00 S-1132 Series

Seiko Instruments Inc. 5

 Pin Configuration

Table 2

Pin No. Symbol Description

1 VIN Input voltage pin

2 VSS GND pin

3 ON/OFF Shutdown pin

NC*1 No connection

5 VOUT Output voltage pin

*1. The NC pin is electrically open.

The NC pin can be connected to VIN or VSS.

5 4

1 3 2

SOT-23-5

Top vie

Figure 2

Table 3

Pin No. Symbol Description

1 VOUT Output voltage pin

2 VSS GND pin

NC*1 No connection

4 ON/OFF Shutdown pin

5 VIN Input voltage pin

*1. The NC pin is electrically open.

The NC pin can be connected to VIN or VSS.

5 4

1 3 2

SOT-89-5

Top view

Figure 3

Table 4

Pin No. Symbol Description

1 VOUT Output voltage pin

2 VSS GND pin

NC*1 No connection

4 ON/OFF Shutdown pin

5 VSS GND pin

SNT-6A(H)

Top view

3 4

6 VIN Input voltage pin

Figure 4

*1. The NC pin is electrically open.

The NC pin can be connected to VIN or VSS.

HIGH RIPPLE-REJECTION LOW DROPOUT MIDDLE OUTPUT CURRENT CMOS VOLTAGE REGULATOR

S-1132 Series Rev.4.0_00

6 Seiko Instruments Inc.

 Absolute Maximum Ratings

Table 5

(Ta = 25°C unless otherwise specified)

Item Symbol Absolute Maximum Rating Unit

Input voltage VIN V

SS − 0.3 to VSS + 7 V

ON/OFF V

SS − 0.3 to VIN + 0.3 V

Output voltage VOUT V

SS − 0.3 to VIN + 0.3 V

300 (When not mounted on board) mW

SOT-23-5 600*1 mW

500 (When not mounted on board) mW

SOT-89-5 1000*1 mW

Power dissipation

SNT-6A(H)

500*1 mW

Operating ambient temperature Topr −40 to + 85 °C

Storage temperature Tstg −40 to + 125 °C

*1. W hen mounted on board

[Mounted Board]

(1) Board size: 114.3 mm x 76.2 mm x t1.6 mm

(2) Board name: JEDEC ST ANDARD51-7

Caution The absolute maximum ratings are rated values exceeding which the product could suffer physical

damage. These values must therefore not be exceeded under any conditions.

0 50 100 150

1200

800

Power Dissipation

(

PD) [mW]

Ambient Temperature (Ta) [°C]

SOT-89-5

400

1000

600

200

SNT-6A

(

)

SOT-23-5

Figure 5 Pow er Dissipation of Package (When Mounted on Board)

HIGH RIPPLE-REJECTION LOW DROPOUT MIDDLE OUTPUT CURRENT CMOS VOLTAGE REGULATOR

Rev.4.0_00 S-1132 Series

Seiko Instruments Inc. 7

 Electrical Characteristics

Table 6 (Ta = 25°C unless otherwise specified)

Item Symbol Conditions Min. Typ. Max. Unit

Test

Circuit

Output voltage*1 VOUT(E) V

IN = VOUT(S) + 1.0 V, IOUT = 100 mA VOUT(S)

× 0.99 VOUT(S)

VOUT(S)

× 1.01 V 1

Output current*2 IOUT V

IN ≥ VOUT(S) + 1.0 V 300*5 ⎯ ⎯ mA 3

Dropout voltage*3 Vdrop I

OUT = 100 mA 1.5 V ≤ VOUT(S) ≤ 1.9 V 0.50 0.54 0.58 V 1

2.0 V ≤ VOUT(S) ≤ 2.4 V ⎯ 0.15 0.23 V 1

2.5 V ≤ VOUT(S) ≤ 2.9 V ⎯ 0.14 0.21 V 1

3.0 V ≤ VOUT(S) ≤ 3.2 V ⎯ 0.13 0.19 V 1

3.3 V ≤ VOUT(S) ≤ 5.5 V ⎯ 0.10 0.15 V 1

Line regulation OUTIN

OUT1

VVV

•

Δ VOUT(S) + 0.5 V ≤ VIN ≤ 6.5 V,

IOUT = 100 mA ⎯ 0.01 0.2 % / V 1

Load regulation ΔVOUT2 VIN = VOUT(S) + 1.0 V,

1.0 mA ≤ IOUT ≤ 100 mA ⎯ 15 40 mV 1

Output voltage

temperature coefficient*4 OUT

OUT

VTa

•Δ

Δ VIN = VOUT(S) + 1.0 V, IOUT = 30 mA,

−40°C ≤ Ta ≤ 85°C ⎯ ±100 ⎯ ppm/

°C 1

Current consumption

during operation ISS1 VIN = VOUT(S) + 1.0 V, ON/OFF pin = ON,

no load ⎯ 20 40 μA 2

Current consumption

during shutdown ISS2 VIN = VOUT(S) + 1.0 V, ON/OFF pin = OFF,

no load ⎯ 0.01 1.0 μA 2

Input voltage VIN ⎯ 2.0 ⎯ 6.5 V ⎯

Shutdown pin

input voltage “H” VSH V

IN = VOUT(S) + 1.0 V, RL = 1.0 kΩ 1.5 ⎯ ⎯ V 4

Shutdown pin

input voltage “L” VSL V

IN = VOUT(S) + 1.0 V, RL = 1.0 kΩ ⎯ ⎯ 0.25 V 4

Shutdown pin

input current “H” ISH V

IN = 6.5 V, VON/OFF = 6.5 V −0.1 ⎯ 0.1 μA 4

Shutdown pin

input current “L” ISL V

IN = 6.5 V, VON/OFF = 0 V −0.1 ⎯ 0.1 μA 4

Ripple rejection RR

VIN = VOUT(S) + 1.0 V,

f = 1.0 kHz, 1.5 V ≤ VOUT(S) ≤ 3.0 V ⎯ 70 ⎯ dB 5

ΔVrip = 0.5 Vrms,

IOUT = 50 mA 3.1 V ≤ VOUT(S) ≤ 5.5 V ⎯ 65 ⎯ dB 5

Short-circuit current Ishort VIN = VOUT(S) + 1.0 V, ON/OFF pin = ON,

VOUT = 0 V ⎯ 250 ⎯ mA 3

HIGH RIPPLE-REJECTION LOW DROPOUT MIDDLE OUTPUT CURRENT CMOS VOLTAGE REGULATOR

S-1132 Series Rev.4.0_00

8 Seiko Instruments Inc.

*1. V

OUT(S): Specified output voltage

OUT(E): Actual output voltage at the fixed load

The output voltage when fixing IOUT(= 100 mA) and inputting VOUT(S) + 1.0 V

*2. The output current at which the output voltage becomes 95% of VOUT(E) after gradually increasing the output current.

*3. V

drop = VIN1 − (VOUT3 × 0.98)

OUT3 is the output voltage when VIN = VOUT(S) + 1.0 V and IOUT = 100 mA.

VIN1 is the input voltage at which the output voltage becomes 98% of VOUT3 after gradually decreasing the input

voltage.

*4. The change in temperature [mV/°C] is calculated using the following equation.

[] [] []

1000Cppm/

VTaV

VVCmV/

V OUT

OUT

OUT(S)

OUT ÷°

•Δ

×=°

Δ3*2**1

*1. The change in temperature of the output voltage

*2. Specified output voltage

*3. Output voltage temperature coefficient

*5. The output current can be at least this value.

Due to restrictions on the package power dissipation, this value may not be satisfied. Attention should be paid to the

power dissipation of the package when the output current is large.

This specification is guaranteed by design.

HIGH RIPPLE-REJECTION LOW DROPOUT MIDDLE OUTPUT CURRENT CMOS VOLTAGE REGULATOR

Rev.4.0_00 S-1132 Series

Seiko Instruments Inc. 9

 Test Circuits

VSS

VOUT

ON/OFF

Set to

power ON

VIN

Figure 6

VSS

VOUT

ON/OFF

Set to

VIN or GND

VIN

Figure 7

Set to

power ON

VSS

VOUT

ON/OFF

VIN

Figure 8

VSS

VOUT

ON/OFF

VIN

A V RL

+ +

Figure 9

VSS

VOUT

ON/OFF

VIN

Set to

Power ON

Figure 10

HIGH RIPPLE-REJECTION LOW DROPOUT MIDDLE OUTPUT CURRENT CMOS VOLTAGE REGULATOR

S-1132 Series Rev.4.0_00

10 Seiko Instruments Inc.

 Standard Circuit

VSS

VOUT

ON/OFF

VIN

CIN

INPUT OUTPUT

GND

Single GND

*1. C

IN is a capacitor for stabilizing the input.

*2. A ceramic capacitor of 0.1 μF or more can be used for CL.

Figure 11

Caution The above connection diagram and constant will not guarantee successful operation. Perform

thorough evaluation using the actual application to set the constant.

 Application Conditions

Input capacitor (CIN): 0.1 μF or more

Output capacitor (CL): 0.1 μF or more

ESR of output capacitor: 2.0 Ω or less

Caution A general series regulator may oscillate, depending on the external components selected. Check

that no oscillation occurs w i th the application using the above capacitor.

 Selection of Input and Output Capacitors (CIN, CL)

The S-1132 Series requires an output capacitor between the VOUT and VSS pins for phase compensation. Operation is

stabilized by a ceramic capacitor with an output capacitance of 0.1 μF or more in the entire temperature range. However,

when using an OS capacitor, tantalum capacitor, or aluminum electrolytic capacitor, a ceramic capacitor with a capacitance

of 0.1 μF or more and an ESR of 2.0 Ω or less is required.

The value of the output overshoot or undershoot transient response varies depending on the value of the output capacitor.

The required capacitance of the input capacitor differs depending on the application.

The recommended value for an application is 0.1 μF or more for CIN and 0.1 μF or more for CL; however, when selecting the

output capacitor, perform sufficient evaluation, including evaluation of temperature characteristics, on the actual device.

HIGH RIPPLE-REJECTION LOW DROPOUT MIDDLE OUTPUT CURRENT CMOS VOLTAGE REGULATOR

Rev.4.0_00 S-1132 Series

Seiko Instruments Inc. 11

 Explanation of Terms

1. Low dropout voltage regulator

The low dropout voltage regulator is a voltage regulator whose dropout voltage is low due to its built-in low on-

resistance transistor.

2. Low ESR

A capacitor whose ESR (Equivalent Series Resistance) is low. The S-1132 Series enables use of a low ESR

capacitor, such as a ceramic capacitor, for the output-side capacitor CL. A capacitor whose ESR is 2.0 Ω or less can

be used.

3. Output voltage (VOUT)

The accuracy of the output voltage is ensured at ±1.0% under the specified conditions of fixed input voltage*1, fixed

output current, and fixed temperature.

*1. Differs depending on the product.

Caution If the above conditions change, the output vo ltage value may vary and exceed the accuracy range

of the outpu t voltage. Please see the electrical characteristics and attached characteristics data

for details.

V ΔV

ΔV

regulation Line OUTIN

OUT1 ⎟

⎟

⎠

⎞

⎜

⎝

⎛

•

Indicates the dependency of the output voltage on the input voltage. That is, the values show how much the output

voltage changes due to a change in the input voltage with the output current remaining unchanged.

5. Load regulation (ΔVOUT2)

Indicates the dependency of the output voltage on the output current. That is, the values show how much the

output voltage changes due to a change in the output current with the input voltage remaining unchanged.

6. Dropout voltage (Vdrop)

Indicates the difference between the input voltage VIN1, which is the input voltage (VIN) at the point where the output

voltage has fallen to 98% of the output voltage value VOUT3 after VIN was gradually decreased from VIN = VOUT(S) +

1.0 V, and the output voltage at that point (VOUT3 × 0.98).

Vdrop = VIN1 − (VOUT3 × 0.98)

HIGH RIPPLE-REJECTION LOW DROPOUT MIDDLE OUTPUT CURRENT CMOS VOLTAGE REGULATOR

S-1132 Series Rev.4.0_00

12 Seiko Instruments Inc.

7. Temperature coefficient of output voltage ⎟

⎟

⎠

⎞

⎜

⎝

⎛

•Δ

OUT

V TaV

The shadowed area in Figure 12 is the range where VOUT varies in the operating temperature range when the

temperature coefficient of the output voltage is ±100 ppm/°C.

VOUT

(

)

Ex. S-1132B28 Typ.

−40 25

+0.28 m V / °C

VOUT

[V]

*1. VOUT(E) is the value of the output voltage measured at 25°C.

85 Ta [°C]

−0.28 m V / °C

Figure 12

A change in the temperature of the output voltage [mV/°C] is calculated using the following equation.

[] [] []

1000Cppm/

VTaV

VVCmV/

V OUT

OUT

OUT(S)

OUT ÷°

•Δ

×=°

Δ3*2**1

*1. Change in temperature of output voltage

*2. Specified output voltage

*3. Output voltage temperature coefficient

HIGH RIPPLE-REJECTION LOW DROPOUT MIDDLE OUTPUT CURRENT CMOS VOLTAGE REGULATOR

Rev.4.0_00 S-1132 Series

Seiko Instruments Inc. 13

 Operation

1. Basic operation

Figure 13 shows the block diagram of the S-1132 Series.

The error amplifier compares the reference voltage (Vref) with Vfb, which is the output voltage resistance-divided by

feedback resistors Rs and Rf. It supplies the output transistor with the gate voltage necessary to ensure a certain

output voltage free of any fluctuations of input voltage and temperature.

VOUT

*1. Parasitic diode

VSS

VIN

Error

amplifier

Current

supply

Vref −

Vfb

Reference

voltage circuit

Figure 13

2. Output transistor

The S-1132 Series uses a low on-resistance P-channel MOS FET as the output transistor.

Be sure that VOUT does not exceed VIN + 0.3 V to prevent the voltage regulator from being damaged due to inverse

current flowing from the VOUT pin through a parasitic diode to the VIN pin.

HIGH RIPPLE-REJECTION LOW DROPOUT MIDDLE OUTPUT CURRENT CMOS VOLTAGE REGULATOR

S-1132 Series Rev.4.0_00

14 Seiko Instruments Inc.

3. Shutdown pin (ON/OFF pin)

This pin starts and stops the regulator.

When the ON/OFF pin is set to the shutdown level, the operation of all internal circuits stops, and the built-in P-channel

MOS FET output transistor between the VIN pin and VOUT pin is turned off to substantially reduce the current

consumption. The VOUT pin becomes the VSS level due to the internally divided resistance of several hundreds kΩ

between the VOUT pin and VSS pin.

The structure of the ON/OFF pin is as shown in Figure 14. Since the ON/OFF pin is neither pulled down nor pulled

up internally, do not use it in the floating state. In addition, note that the current consumption increases if a voltage of

0.3 V to VIN – 0.3 V is applied to the ON/OFF pin. When the ON/OFF pin is not used, connect it to the VSS pin if the

logic type is “A” and to the VIN pin if it is “B”.

Table 7

Logic Type ON/OFF Pin Internal Circuits VOUT Pin Voltage Current Consumption

A “L”: Power on Operating Set value ISS1

A “H”: Power off Stopped VSS level ISS2

B “L”: Power off Stopped VSS level ISS2

B “H”: Power on Operating Set value ISS1

VSS

ON/OFF

VIN

Figure 14

HIGH RIPPLE-REJECTION LOW DROPOUT MIDDLE OUTPUT CURRENT CMOS VOLTAGE REGULATOR

Rev.4.0_00 S-1132 Series

Seiko Instruments Inc. 15

 Precautions

• Wiring patterns for the VIN, VOUT and GND pins should be designed so that the impedance is low. When

mounting an output capacitor between the VOUT and VSS pins (CL) and a capacitor for stabilizing the input between

VIN and VSS pins (CIN), the distance from the capacitors to these pins should be as short as possible.

• Note that the output voltage may increase when a series regulator is used at low load current (1.0 mA or less).

• Note that the output voltage may increase due to driver leakage when a series regulator is used at high

temperatures.

• Generally a series regulator may cause oscillation, depending on the selection of external parts. The following

conditions are recommended for this IC. However, be sure to perform sufficient evaluation under the actual usage

conditions for selection, including evaluation of temperature characteristics.

Input capacitor (CIN): 0.1 μF or more

Output capacitor (CL): 0.1 μF or more

Equivalent series resistance (ESR): 2.0 Ω or less

• The voltage regulator may oscillate when the impedance of the power supply is high and the input capacitor is small

or an input capacitor is not connected.

• If the capacitance of the IC’s output block is small, the power supply fluctuation and load fluctuation characteristics

become worse. It is therefore important to sufficiently evaluate the output voltage fluctuation in the actual

equipment.

• When the capacitance of the IC’s output block is small, if the power supply suddenly increases sharply, a

momentary overshoot may be output. It is therefore important to sufficiently evaluate the output voltage at power

application in the actual equipment.

• The application conditions for the input voltage, output voltage, and load current should not exceed the package

power dissipation.

• Do not apply an electrostatic discharge to this IC that exceeds the performance ratings of the built-in electrostatic

protection circuit.

• In determining the output current, attention should be paid to the output current value specified in Table 6 in the

electrical characteristics and footnote *5) of the table.

• SII claims no responsibility for any disputes arising out of or in connection with any infringement by products

including this IC of patents owned by a third party.

HIGH RIPPLE-REJECTION LOW DROPOUT MIDDLE OUTPUT CURRENT CMOS VOLTAGE REGULATOR

S-1132 Series Rev.4.0_00

16 Seiko Instruments Inc.

 Characteristics (Typical Data)

(1) Output Voltage vs. Output Current (When Load Curren t In creases) (T a = 25°C)

S-1132B15 S-1132B30

0 100 200 300 400

OUT

[V]

1.6

1.4

1.2

1.0

0.8

0.6

0.4

0.2

OUT

[mA]

1.8

500 600

= 2.0V

2.5V

6.5V

0 100 200 300 400

OUT

[V]

3.5

3.0

2.5

2.0

1.5

1.0

0.5

OUT

[mA] 500 600

= 3.5V

4.0V

6.5V

S-1132B50

0 100 200 300 400

OUT

[V]

OUT

[mA] 500 600

= 5.5V

6.0V

6.5V

Remark In determining the output current, attention should

be paid to the following.

1. The minimum output current value and footnote

*5 specified in Table 6 in the “Electrical

Characteristics”

2. The package power dissipation

(2) Output Voltage vs. Input Voltage (Ta = 25°C)

S-1132B15 S-1132B30

1.0 1.5 2.0 2.5 3.0

OUT

[V]

1.6

1.5

1.4

1.3

1.2

1.1

1.0

[V] 3.5

100mA

OUT

= 1mA

50mA

30mA

2.5 3.0 3.5 4.0 4.5

OUT

[V]

3.0

2.9

2.8

2.7

2.6

2.5

[V] 5.0

100mA

OUT

= 1mA

50mA

30mA

3.1

S-1132B50

2.5 3.5 4.5 5.5 6.5

OUT

[V]

4.0

3.5

3.0

2.5

[V]

4.5

5.0

5.5

3.0 4.0 5.0 6.0

100mA

OUT

= 1mA

50mA

30mA

HIGH RIPPLE-REJECTION LOW DROPOUT MIDDLE OUTPUT CURRENT CMOS VOLTAGE REGULATOR

Rev.4.0_00 S-1132 Series

Seiko Instruments Inc. 17

(3) Dropout Voltage vs. Output Current

S-1132B15 S-1132B30

0100 150 350

drop

[V]

0.8

0.7

0.6

0.5

0.4

0.3

0.2

0.1

OUT

[mA]

°C

50 200 250 300

°C

-40

°C

0100 150 350

drop

[V]

0.6

0.5

0.4

0.3

0.2

0.1

OUT

[mA]

°C

50 200 250 300

°C

-40

°C

S-1132B50

0100 150 350

OUT

[mA]

°C

50 200 250 300

°C

-40

°C

drop

[V]

0.6

0.5

0.4

0.3

0.2

0.1

(4) Dropout Voltage vs. Set Output Voltage

023

drop

[V]

0.8

0.7

0.6

0.5

0.4

0.3

0.2

0.1

OTA

[V]

1456

300mA

100mA

50mA

30mA

1mA

HIGH RIPPLE-REJECTION LOW DROPOUT MIDDLE OUTPUT CURRENT CMOS VOLTAGE REGULATOR

S-1132 Series Rev.4.0_00

18 Seiko Instruments Inc.

(5) Output Voltage vs. Ambient Temperature

S-1132B15 S-1132B30

-40 0 25 50 75

OUT

[V]

1.60

1.58

1.52

1.50

1.48

1.46

1.44

1.42

1.40

Ta [

°C

]

1.54

1.56

-25 85

-40 0 25 50 75

3.20

3.05

3.00

2.95

2.90

2.85

2.80

Ta [

°C

]

3.10

3.15

-25 85

OUT

[V]

S-1132B50

-40 0 25 50 75

5.3

5.2

5.1

5.0

4.9

4.8

4.7

Ta [

°C

]

-25 85

OUT

[V]

(6) Current Consumption vs. Input Voltage

S-1132B15 S-1132B30

02 567

SS1

[μA]

[V]

134

°C

-40

°C

02 567

SS1

[μA]

[V]

134

25 85

°C

-40

°C

S-1132B50

02 567

SS1

[μA]

[V]

134

25 85

°C

-40

°C

HIGH RIPPLE-REJECTION LOW DROPOUT MIDDLE OUTPUT CURRENT CMOS VOLTAGE REGULATOR

Rev.4.0_00 S-1132 Series

Seiko Instruments Inc. 19

(7) Ripple Rejection (Ta = 25°C)

S-1132B15 VIN = 2.5 V, COUT =0.1 μF S-1132B30 VIN = 4.0 V, COUT = 0.1 μF

10 100 1K 10K 100K

Ripple Rejection [dB]

Frequency [Hz] 1M

100

100mA

50mA

OUT

= 1mA

10 100 1K 10K 100K

Ripple Rejection [dB]

Frequency [Hz] 1M

100

100mA

50mA

OUT

= 1mA

S-1132B50 VIN = 6.0 V, COUT =0.1 μF

10 100 1K 10K 100K

Ripple Rejection [dB]

Frequency [Hz] 1M

100

100mA

50mA

OUT

= 1mA

HIGH RIPPLE-REJECTION LOW DROPOUT MIDDLE OUTPUT CURRENT CMOS VOLTAGE REGULATOR

S-1132 Series Rev.4.0_00

20 Seiko Instruments Inc.

 Reference Data

(1) Input Transient Response Characteristics (Ta = 25°C)

S-1132B15

IOUT = 100 mA, tr = tf = 5.0 μs, COUT = 0.1 μF, CIN = 0.1 μF S-1132B30

IOUT = 100 mA, tr = tf = 5.0 μs, COUT = 0.1 μF, CIN = 0.1 μF

-20 80 120 180

OUT

[V]

1.62

1.60

1.58

1.56

1.54

1.52

1.50

1.48

1.46

t [μs]

[V]

4.0

3.0

2.5

2.0

0.5

1.0

1.5

3.5

0 20 40 60 100 140160

VOUT

VIN

3.16

3.12

3.08

3.04

3.00

2.96

2.92 -20 80 120 180

OUT

[V]

t [μs]

[V]

0 20 40 60 100 140160

OUT

(2) Load Transient Response Characteristics (Ta = 25°C)

S-1132B15

VIN = 2.5 V, COUT = 0.1 μF, CIN = 0.1 μF, IOUT = 50 ↔ 100 mA S-1132B30

VIN = 4.0 V, COUT = 0.1 μF, CIN = 0.1 μF, IOUT = 50 ↔ 100 mA

-40 60 100 160

OUT

[V]

1.9

1.8

1.7

1.6

1.5

1.4

1.3

t [μs]

OUT

[mA]

150

100

-150

-100

-50

-20 0 20 40 80 120140

VOUT

IOUT

-40 60 100 160

OUT

[V]

3.8

3.6

3.4

3.2

3.0

2.8

2.6

t [μs]

OUT

[mA]

150

100

-150

-100

-50

-20 0 20 40 80 120140

VOUT

IOUT

S-1132B50

VIN =6.0 V, COUT = 0.1 μF, CIN = 0.1 μF, IOUT = 50 ↔ 100 mA

-40 60 100 160

OUT

[V]

5.8

5.6

5.4

5.2

5.0

4.8

4.6

t [μs]

OUT

[mA]

150

100

-150

-100

-50

-20 0 20 40 80 120140

VOUT

IOUT

HIGH RIPPLE-REJECTION LOW DROPOUT MIDDLE OUTPUT CURRENT CMOS VOLTAGE REGULATOR

Rev.4.0_00 S-1132 Series

Seiko Instruments Inc. 21

(3) ON / OFF Pin Transient Response Characteristics (Ta = 25°C)

S-1132B15

VIN = 2.5 V, COUT = 0.1 μF, CIN = 0.1 μF, IOUT = 80 mA S-1132B30

VIN = 4.0 V, COUT = 0.1 μF, CIN = 0.1 μF, IOUT = 80 mA

-0.4 0.2

OUT

[V]

-1

t [ms]

-0.2 00.4 0.6 0.8 1.0 1.2 1.4 1.6

ON/OFF

[V]

-6

-4

-2

VON/OFF

VOUT

-0.4 0.2

OUT

[V]

-2

t [ms]

-0.2 00.4 0.6 0.8 1.0 1.2 1.4 1.6

ON/OFF

[V]

-6

-4

-2

VOUT

VON/OFF

S-1132B50

VIN = 6.0 V, COUT = 0.1 μF, CIN = 0.1 μF, IOUT = 80 mA

-0.4 0.2

OUT

[V]

-2

t [ms]

-0.2 00.4 0.6 0.8 1.0 1.2 1.4 1.6

VOUT

VON/OFF

ON/OFF

[V]

-8

-6

-4

-2

(4) Input transient response characteristics - Capacity Value characteristics (Ta = 25°C)

S-1132B15

VIN = 2.5 V → 4.5 V, tr = 5 μF, IOUT = 100 mA

VIN = 4.5 V → 2.5 V, tr = 5 μF, IOUT = 100 mA

-80 0 40 80

OUT

[V]

1.70

1.65

1.60

1.55

1.50

1.45

1.40

t [μs]

[V]

-4

-2

-60 -40 -20 20 60 -6

C = 1.0μ

C = 0.1μ

VOUT

VIN

-80 0 40 80

OUT

[V]

1.8

1.7

1.6

1.5

1.4

1.3

1.2

t [μs]

[V]

-4

-2

-60 -40 -20 20 60 -6

OUT

= 1.0μ

= 0.1μ

(5) Load transient response characteristics - Capacity Value characteristics (Ta = 25°C)

S-1132B15

VIN = 2.5 V, IOUT = 1 → 50 mA

VIN = 2.5 V, IOUT = 50 → 1 mA

-100 0 40 100

OUT

[V]

2.2

2.0

1.8

1.6

1.4

1.2

1.0

t [μs]

OUT

[mA]

100

-60 -40 -20 20 60 80

-80

C = 1.0μ

C = 0.1μ

VOUT

IOUT

-200 0 100 200

OUT

[V]

2.2

2.0

1.8

1.6

1.4

1.2

1.0

t [μs]

OUT

[mA]

100

-150 -100 -50 50 150

= 1.0μ

= 0.1μ

OUT

HIGH RIPPLE-REJECTION LOW DROPOUT MIDDLE OUTPUT CURRENT CMOS VOLTAGE REGULATOR

S-1132 Series Rev.4.0_00

22 Seiko Instruments Inc.

 Marking Specification

(1) SOT-23-5

(1) to (3) : Product code (Refer to Product name vs. Product code)

(4) : Lot number

5 4

1 3

(1) (2) (3) (4)

SOT-23-5

vie

Product name vs. Product code

Product code Product code

Product name (1) (2) (3) Product name (1) (2) (3)

S-1132B15-M5T1x Q L A S-1132B36-M5T1x Q L V

S-1132B16-M5T1x Q L B S-1132B37-M5T1x Q L W

S-1132B17-M5T1x Q L C S-1132B38-M5T1x Q L X

S-1132B18-M5T1x Q L D S-1132B39-M5T1x Q L Y

S-1132B19-M5T1x Q L E S-1132B40-M5T1x Q L Z

S-1132B20-M5T1x Q L F S-1132B41-M5T1x Q M A

S-1132B21-M5T1x Q L G S-1132B42-M5T1x Q M B

S-1132B22-M5T1x Q L H S-1132B43-M5T1x Q M C

S-1132B23-M5T1x Q L I S-1132B44-M5T1x Q M D

S-1132B24-M5T1x Q L J S-1132B45-M5T1x Q M E

S-1132B25-M5T1x Q L K S-1132B46-M5T1x Q M F

S-1132B26-M5T1x Q L L S-1132B47-M5T1x Q M G

S-1132B27-M5T1x Q L M S-1132B48-M5T1x Q M H

S-1132B28-M5T1x Q L N S-1132B49-M5T1x Q M I

S-1132B29-M5T1x Q L O S-1132B50-M5T1x Q M J

S-1132B30-M5T1x Q L P S-1132B51-M5T1x Q M K

S-1132B31-M5T1x Q L Q S-1132B52-M5T1x Q M L

S-1132B32-M5T1x Q L R S-1132B53-M5T1x Q M M

S-1132B33-M5T1x Q L S S-1132B54-M5T1x Q M N

S-1132B34-M5T1x Q L T S-1132B55-M5T1x Q M O

S-1132B35-M5T1x Q L U

Remark 1. Please contact the SII marketing department for products with type A products.

2. x: G or U

3. Please select products of environmental code = U for Sn 100%, halogen-free products.

HIGH RIPPLE-REJECTION LOW DROPOUT MIDDLE OUTPUT CURRENT CMOS VOLTAGE REGULATOR

Rev.4.0_00 S-1132 Series

Seiko Instruments Inc. 23

(2) SOT-89-5

(1) to (3) : Product code (Refer to Product name vs. Product code)

(4) to (6) : Lot number

5 4

1 3

(2)

SOT-89-5

vie

(1) (3)

(5) (4) (6)

Product name vs. Product code

Product code Product code

Product name (1) (2) (3) Product name (1) (2) (3)

S-1132B15-U5T1x Q L A S-1132B36-U5T1x Q L V

S-1132B16-U5T1x Q L B S-1132B37-U5T1x Q L W

S-1132B17-U5T1x Q L C S-1132B38-U5T1x Q L X

S-1132B18-U5T1x Q L D S-1132B39-U5T1x Q L Y

S-1132B19-U5T1x Q L E S-1132B40-U5T1x Q L Z

S-1132B20-U5T1x Q L F S-1132B41-U5T1x Q M A

S-1132B21-U5T1x Q L G S-1132B42-U5T1x Q M B

S-1132B22-U5T1x Q L H S-1132B43-U5T1x Q M C

S-1132B23-U5T1x Q L I S-1132B44-U5T1x Q M D

S-1132B24-U5T1x Q L J S-1132B45-U5T1x Q M E

S-1132B25-U5T1x Q L K S-1132B46-U5T1x Q M F

S-1132B26-U5T1x Q L L S-1132B47-U5T1x Q M G

S-1132B27-U5T1x Q L M S-1132B48-U5T1x Q M H

S-1132B28-U5T1x Q L N S-1132B49-U5T1x Q M I

S-1132B29-U5T1x Q L O S-1132B50-U5T1x Q M J

S-1132B30-U5T1x Q L P S-1132B51-U5T1x Q M K

S-1132B31-U5T1x Q L Q S-1132B52-U5T1x Q M L

S-1132B32-U5T1x Q L R S-1132B53-U5T1x Q M M

S-1132B33-U5T1x Q L S S-1132B54-U5T1x Q M N

S-1132B34-U5T1x Q L T S-1132B55-U5T1x Q M O

S-1132B35-U5T1x Q L U

Remark 1. Please contact the SII marketing department for products with type A products.

2. x: G or U

3. Please select products of environmental code = U for Sn 100%, halogen-free products.

HIGH RIPPLE-REJECTION LOW DROPOUT MIDDLE OUTPUT CURRENT CMOS VOLTAGE REGULATOR

S-1132 Series Rev.4.0_00

24 Seiko Instruments Inc.

(3) SNT-6A(H)

(1) to (3) : Product code (Refer to Product name vs. Product code)

(4) to (6) : Lot number

SNT-6A(H)

Top view

3 4

(1)

(4)

(2)

(5)

(3)

(6)

Product name vs. Product code

Product code Product code

Product name (1) (2) (3) Product name (1) (2) (3)

S-1132B15-I6T2x Q L A S-1132B36-U5T1x Q L V

S-1132B16-I6T2x Q L B S-1132B37-U5T1x Q L W

S-1132B17-I6T2x Q L C S-1132B38-U5T1x Q L X

S-1132B18-I6T2x Q L D S-1132B39-U5T1x Q L Y

S-1132B19-I6T2x Q L E S-1132B40-U5T1x Q L Z

S-1132B20-I6T2x Q L F S-1132B41-U5T1x Q M A

S-1132B21-I6T2x Q L G S-1132B42-U5T1x Q M B

S-1132B22-I6T2x Q L H S-1132B43-U5T1x Q M C

S-1132B23-I6T2x Q L I S-1132B44-U5T1x Q M D

S-1132B24-I6T2x Q L J S-1132B45-U5T1x Q M E

S-1132B25-I6T2x Q L K S-1132B46-U5T1x Q M F

S-1132B26-I6T2x Q L L S-1132B47-U5T1x Q M G

S-1132B27-I6T2x Q L M S-1132B48-U5T1x Q M H

S-1132B28-I6T2x Q L N S-1132B49-U5T1x Q M I

S-1132B29-I6T2x Q L O S-1132B50-U5T1x Q M J

S-1132B30-I6T2x Q L P S-1132B51-U5T1x Q M K

S-1132B31-I6T2x Q L Q S-1132B52-U5T1x Q M L

S-1132B32-I6T2x Q L R S-1132B53-U5T1x Q M M

S-1132B33-I6T2x Q L S S-1132B54-U5T1x Q M N

S-1132B34-I6T2x Q L T S-1132B55-U5T1x Q M O

S-1132B35-I6T2x Q L U

Remark 1. Please contact the SII marketing department for products with type A products.

2. x: G or U

3. Please select products of environmental code = U for Sn 100%, halogen-free products.

No.

TITLE

SCALE

UNIT mm

Seiko Instruments Inc.

2.9±0.2

1.9±0.2

0.95±0.1

0.4±0.1

0.16 +0.1

-0.06

123

No. MP005-A-P-SD-1.2

MP005-A-P-SD-1.2

SOT235-A-PKG Dimensions

No.

TITLE

SCALE

UNIT mm

Seiko Instruments Inc.

ø1.5 +0.1

-0 2.0±0.05

ø1.0 +0.2

-0 4.0±0.1

1.4±0.2

0.25±0.1

3.2±0.2

123

No. MP005-A-C-SD-2.1

MP005-A-C-SD-2.1

SOT235-A-Carrier Tape

Feed direction

4.0±0.1(10 pitches:40.0±0.2)

No.

TITLE

SCALE

UNIT mm

Seiko Instruments Inc.

12.5max.

9.0±0.3

ø13±0.2

(60°) (60°)

QTY. 3,000

No. MP005-A-R-SD-1.1

MP005-A-R-SD-1.1

SOT235-A-Reel

Enlarged drawing in the central part

No.

TITLE

SCALE

UNIT mm

Seiko Instruments Inc.

1.5±0.1 1.5±0.1

1.6±0.2

4.5±0.1

132

1.5±0.1

0.4±0.05

0.4±0.1

0.45±0.1

0.4±0.1

45°

0.3

No. UP005-A-P-SD-1.1

UP005-A-P-SD-1.1

SOT895-A-PKG Dimensions

No.

TITLE

SCALE

UNIT mm

Seiko Instruments Inc.

2.0±0.1

0.3±0.05

8.0±0.1

ø1.5+0.1

-0

2.0±0.05

ø1.5+0.1

-0

4.75±0.1

5° max.

No. UP005-A-C-SD-1.1

UP005-A-C-SD-1.1

SOT895-A-Carrier Tape

Feed direction

4.0±0.1(10 pitches : 40.0±0.2)

No.

TITLE

SCALE

UNIT mm

Seiko Instruments Inc.

16.5max.

13.0±0.3

QTY. 1,000

(60°)

No. UP005-A-R-SD-1.1

UP005-A-R-SD-1.1

SOT895-A-Reel

Enlarged drawing in the central part

No.

TITLE

SCALE

UNIT mm

Seiko Instruments Inc.

SNT-6A(H)-A-PKG Dimensions

PI006-A-P-SD-2.0

0.2±0.05

0.48±0.02

0.08 +0.05

-0.02

0.5

1.57±0.03

No. PI006-A-P-SD-2.0

Feed direction

4.0±0.1

2.0±0.05

4.0±0.1

ø1.5 +0.1

-0

ø0.5

1.85±0.05 0.65±0.05

0.25±0.05

5°

No.

TITLE

SCALE

UNIT mm

Seiko Instruments Inc.

PI006-A-C-SD-1.0

SNT-6A(H)-A-Carrier Tape

No. PI006-A-C-SD-1.0

+0.1

-0

12.5max.

9.0±0.3

ø13±0.2

(60°) (60°)

QTY.

No. PI006-A-R-SD-1.0

PI006-A-R-SD-1.0

Enlarged drawing in the central part

No.

TITLE

SCALE

UNIT mm

Seiko Instruments Inc.

SNT-6A(H)-A-Reel

5,000

No.

TITLE

SCALE

UNIT mm

SNT-6A(H)-A-Land Recommendation

Seiko Instruments Inc.

PI006-A-L-SD-3.0

No. PI006-A-L-SD-3.0

0.3

0.20.3

0.52

1.36

0.52

Caution Making the wire pattern under the package is possible. However, note that the package

may be upraised due to the thickness made by the silk screen printing and of a solder

resist on the pattern because this package does not have the standoff.

www.sii-ic.com

• The information described herein is subject to change without notice.

• Seiko Instruments Inc. is not responsible for any problems caused by circuits or diagrams described herein

whose related industrial properties, patents, or other rights belong to third parties. The application circuit

examples explain typical applications of the products, and do not guarantee the success of any specific

mass-production design.

• When the products described herein are regulated products subject to the Wassenaar Arrangement or other

agreements, they may not be exported without authorization from the approp riate governmental authority.

• Use of the information described herein for other purposes and/or reproduction or copying without the

express permissi on of Seiko Instruments Inc. is strictly prohibited.

• The products described herein cannot be used as part of any device or equipment affecting the human

body, such as exercise equipment, medical equipment, security systems, gas equipment, or any apparatus

installed in airplanes and other vehicle s, without prior written permission of Seiko Instruments Inc.

• Although Seiko Instruments Inc. exerts the greatest possible effort to ensure high quality and reliability, the

failure or malfunction of semiconductor products may occur. The user of these products should therefore

give thorough consideration to safety design, including redundancy, fire-prevention measures, and

malfunction prevention, to prevent any accidents, fires, or comm unity damage that may ensue.