● 1235 Bordeaux Drive, Sunnyvale, CA 94089 ● Tel: 408-222-8888 ● www.supertex.com
LND150
General Description
The LND150 is a high voltage N-channel depletion mode
(normally-on) transistor utilizing Supertex’s lateral DMOS
technology. The gate is ESD protected.
The LND150 is ideal for high voltage applications in the
areas of normally-on switches, precision constant current
sources, voltage ramp generation and amplification.
N-Channel Depletion-Mode
DMOS FET
Absolute Maximum Ratings
Parameter Value
Drain-to-source BVDSX
Drain-to-gate BVDGX
Gate-to-source ±20V
Operating and storage temperature -55OC to +150OC
Soldering temperature* 300OC
Absolute Maximum Ratings are those values beyond which damage to the device
may occur. Functional operation under these conditions is not implied. Continuous
operation of the device at the absolute rating level may affect device reliability. All
voltages are referenced to device ground.
* Distance of 1.6mm from case for 10 seconds.
Ordering Information
Device
Package Options BVDSX/BVDGX
(V)
RDS(ON)
(max)
(KΩ)
IDSS
(min)
(mA)
TO-236AB (SOT-23) TO-92 TO-243AA (SOT-89)
LND150 LND150K1-G LND150N3-G LND150N8-G 500 1.0 1.0
-G indicates package is RoHS compliant (‘Green’)
TO-92 (N3)
Product Marking
TO-243AA (SOT-89) (N8)
LN1EW W = Code for Week Sealed
= “Green” Packaging
Features
► Free from secondary breakdown
► Low power drive requirement
► Ease of paralleling
► Excellent thermal stability
► Integral source-drain diode
► High input impedance and low CISS
► ESD gate protection
Applications
Solid state relays
Normally-on switches
Converters
Power supply circuits
Constant current sources
Input protection circuits
►
►
►
►
►
►
GATE
SOURCE
DRAIN
TO-243AA (SOT-89) (N8)
GATE
SOURCE
DRAIN
SOURCE
YY = Year Sealed
WW = Week Sealed
= “Green” Packaging
S i L N
D150
YYWW
TO-92 (N3)
Packages may or may not include the following marks: Si or
Pin Configurations
TO-236AB (SOT-23) (K1)
TO-236AB (SOT-23) (K1)
SOURCE
DRAIN
GATE
NDEW W = Code for Week Sealed
= “Green” Packaging
2
LND150
● 1235 Bordeaux Drive, Sunnyvale, CA 94089 ● Tel: 408-222-8888 ● www.supertex.com
Electrical Characteristics (TA = 25OC unless otherwise specified)
Sym Parameter Min Typ Max Units Conditions
BVDSX Drain-to-source breakdown voltage 500 - - V VGS = -10V, ID = 1.0mA
VGS(OFF) Gate-to-source off voltage -1.0 - -3.0 V VGS = 25V, ID = 100nA
ΔVGS(OFF) Change in VGS(OFF) with temperature - - 5.0 mV/OC VGS = 25V, ID = 100nA
IGSS Gate body leakage current - - 100 nA VGS = ± 20V, VDS = 0V
ID(OFF) Drain-to-source leakage current
- - 100 nA VGS = -10V, VDS = 450V
- - 100 µA VDS = 0.8V Max Rating,
VGS = -10V, TA = 125OC
IDSS Saturated drain-to-source current 1.0 - 3.0 mA VGS = 0V, VDS = 25V
RDS(ON) Static drain-to-source on-state resistance - 850 1000 Ω VGS = 0V, ID = 0.5mA
ΔRDS(ON) Change in RDS(ON) with temperature - - 1.2 %/OC VGS = 0V, ID = 0.5mA
GFS Forward transductance 1.0 2.0 - m VDS = 0V, ID = 1.0mA
CISS Input capacitance - 7.5 10
pF
VGS = -10V,
VDS = 25V,
f = 1.0MHz
COSS Common source output capacitance - 2.0 3.5
CRSS Reverse transfer capacitance - 0.5 1.0
td(ON) Turn-on delay time - 0.09 -
µs
VDD = 25V,
ID = 1.0mA,
RGEN = 25Ω
trRise time - 0.45 -
td(OFF) Turn-off delay time - 0.1 -
tfFall time - 1.3 -
VSD Diode forward voltage drop - - 0.9 V VGS = -10V, ISD = 1.0mA
trr Reverse recovery time - 200 - ns VGS = -10V, ISD = 1.0mA
Notes:
All D.C. parameters 100% tested at 25OC unless otherwise stated. (Pulse test: 300µs pulse, 2% duty cycle.)
All A.C. parameters sample tested.
1.
2.
Notes:
† ID (continuous) is limited by max rated Tj.
‡ Mounted on FR4 board, 25mm x 25mm x 1.57mm
Thermal Characteristics
Package
ID
(continuous)†
(mA)
ID
(pulsed)
(mA)
Power Dissipation
@TA = 25OC
(W)
θjc
(OC/W)
θja
(OC/W)
IDR
(mA)
IDRM
†
(mA)
TO-236AB (SOT-23) 13 30 0.36 200 350 13 30
TO-92 30 30 0.74 125 170 30 30
TO-243AA (SOT-89) 30 30 1.6‡15 78 30 30
Switching Waveforms and Test Circuit
90%
10%
90% 90%
10%
10%
PULSE
GENERATOR
V
DD
RL
OUTPUT
D.U.T.
t(ON)
td(ON)
t(OFF)
td(OFF) tf
tr
INPUT
INPUT
OUTPUT
0V
VDD
RGEN
0V
-10V
Ω
3
LND150
● 1235 Bordeaux Drive, Sunnyvale, CA 94089 ● Tel: 408-222-8888 ● www.supertex.com
Typical Performance Curves
Output Characteristics
6
5
4
3
2
1
0
0 250 500
ID (milliamps)
Saturation Characteristics
6
5
4
3
2
1
00 1 2 3 54
Maximum Rated Safe Operating Area
1 100010010
1
10
100
0.1
Thermal Response Characteristics
Thermal Resistance (normalized)
1.0
0.8
0.6
0.4
0.2
0.001 100.01 0.1 1.0
Transconductance vs. Drain Current
10
8
6
4
2
0010
2 4 6
GFS (millisiemens)
Power Dissipation vs. Ambient Temperature
0 15010050
2
1
1257525
PD (Watts)
0.5V
8
0V
-0.5V
-1.0V
VGS = 1.0V
0.5V
0V
-0.5V
-1.0V
0
0
TO-243AA
VDS (V)
TA = -55°C
ID (milliamps) TA (°C)
VDS (V) tP (seconds)
TO-243AA
TA = 25°C
PD = 1.2W
TO-92
PD = 1.0W
TC = 25°C
TO-92
TO-236 (DC)
TO-236AB
ID (milliamps)
VGS = 1.0V
VDS = 400V
T
A
= 25°C
300µs pulse
2% duty cycle
ID (milliamps)
25°C
125°C
VDS (V)
TO-92 (DC)
TO-243AA (DC)
Pulsed
4
LND150
● 1235 Bordeaux Drive, Sunnyvale, CA 94089 ● Tel: 408-222-8888 ● www.supertex.com
Typical Performance Curves (cont.)
Gate Drive Dynamic Characteristics
VGS(OFF) and RDS Variation with Temperature
Transfer Characteristics
Capacitance vs. Drain-to-Source Voltage
10
C (picofarads)
0 10 20 30 40
5
-1 0 1 2 3
10
5
-50 0 50 100 150
1.1
1.8
1.6
1.4
1.2
1.0
0.8
10
5
0
-5
0 0.1 0.2 0.3
-50 0 50 100 150
0
VDS = 400V
0.9
1.0
RDS(ON) @ ID = 1.0mA
0
VGS = -5.0V
2.0
1.6
1.2
0.8
0.4
8.7pF
60V
40V
100K10
0.2
100 1K 10K
0.4
0.6
0.8
1.0
1.2
RSOURCE (Ω)
I
D vs RSOURCE
1.4
0.0
LND1
ID
↓
R
SOURCE
BVDSS Variation with Temperature
BVDSS (normalized)
Tj (OC)
ID (milliamps)
TA = -55°C
ID (millimeter)
VGS (V)
CISS
COSS
CRSS
VDS (V)
VGS (V)
VDS = 20V
QC (nanocoulombs)
VGS(OFF) (normalized)
25°C
125°C
25°C
125°C
Tj (OC)
RDS(ON) (normalized)
VGS(OFF) @ 100nA
VGS = -10V
5
LND150
● 1235 Bordeaux Drive, Sunnyvale, CA 94089 ● Tel: 408-222-8888 ● www.supertex.com
3-Lead TO-236AB (SOT-23) Package Outline (K1)
2.90x1.30mm body, 1.12mm height (max), 1.90mm pitch
Symbol A A1 A2 b D E E1 e e1 L L1 θ
Dimension
(mm)
MIN 0.89 0.01 0.88 0.30 2.80 2.10 1.20 0.95
BSC
1.90
BSC
0.20†
0.54
REF
0O
NOM - - 0.95 - 2.90 - 1.30 0.50 -
MAX 1.12 0.10 1.02 0.50 3.04 2.64 1.40 0.60 8O
JEDEC Registration TO-236, Variation AB, Issue H, Jan. 1999.
† This dimension differs from the JEDEC drawing.
Drawings not to scale.
Supertex Doc.#: DSPD-3TO236ABK1, Version C041309.
View B
View A - A
Side View
Top View View B
Gauge
Plane
Seating
Plane
0.25
L1
L
E1 E
D
3
12
e
e1
b
A
A
Seating
Plane
AA2
A1
6
LND150
● 1235 Bordeaux Drive, Sunnyvale, CA 94089 ● Tel: 408-222-8888 ● www.supertex.com
3-Lead TO-92 Package Outline (N3)
Symbol A b c D E E1 e e1 L
Dimensions
(inches)
MIN .170 .014†.014†.175 .125 .080 .095 .045 .500
NOM - - - - - - - - -
MAX .210 .022†.022†.205 .165 .105 .105 .055 .610*
JEDEC Registration TO-92.
* This dimension is not specified in the JEDEC drawing.
† This dimension differs from the JEDEC drawing.
Drawings not to scale.
Supertex Doc.#: DSPD-3TO92N3, Version E041009.
Seating
Plane
1
2
3
Front View Side View
Bottom View
E1 E
D
e1
L
e
c
1 2 3
b
A
Supertex inc. does not recommend the use of its products in life support applications, and will not knowingly sell them for use in such applications unless it receives
an adequate “product liability indemnification insurance agreement.” Supertex inc. does not assume responsibility for use of devices described, and limits its liability
to the replacement of the devices determined defective due to workmanship. No responsibility is assumed for possible omissions and inaccuracies. Circuitry and
specifications are subject to change without notice. For the latest product specifications refer to the Supertex inc. (website: http//www.supertex.com)
©2009 Supertex inc. All rights reserved. Unauthorized use or reproduction is prohibited. Supertex inc.
1235 Bordeaux Drive, Sunnyvale, CA 94089
Tel: 408-222-8888
www.supertex.com
7
LND150
(The package drawing(s) in this data sheet may not reflect the most current specifications. For the latest package outline
information go to http://www.supertex.com/packaging.html.)
Doc.# DSFP-LND150
B021110
3-Lead TO-243AA (SOT-89) Package Outline (N8)
Symbol A b b1 C D D1 E E1 e e1 H L
Dimensions
(mm)
MIN 1.40 0.44 0.36 0.35 4.40 1.62 2.29 2.00†
1.50
BSC
3.00
BSC
3.94 0.89
NOM - - - - - - - - - -
MAX 1.60 0.56 0.48 0.44 4.60 1.83 2.60 2.29 4.25 1.20
JEDEC Registration TO-243, Variation AA, Issue C, July 1986.
† This dimension differs from the JEDEC drawing
Drawings not to scale.
Supertex Doc. #: DSPD-3TO243AAN8, Version E051509.
bb1
D
D1
EHE1
C
A
1 2 3
e
e1
Top View Side View
L
