Supertex inc.
Supertex inc. ● 1235 Bordeaux Drive, Sunnyvale, CA 94089 ● Tel: 408-222-8888 ● www.supertex.com
DN2470
Features
►High input impedance
►Low input capacitance
►Fast switching speeds
►Low on-resistance
►Free from secondary breakdown
►Low input and output leakage
Applications
►Normally-on switches
►Solid state relays
►Converters
►Linear ampliers
►Constant current sources
►Battery operated systems
►Telecom
General Description
The DN2470 is a low threshold depletion-mode (normally-on)
transistor utilizing an advanced vertical DMOS structure and
Supertex’s well-proven silicon-gate manufacturing process.
This combination produces a device with the power handling
capabilities of bipolar transistors and with the high input
impedance and positive temperature coefcient inherent
in MOS devices. Characteristic of all MOS structures, this
device is free from thermal runaway and thermally-induced
secondary breakdown.
Supertex’s vertical DMOS FET is ideally suited to a wide
range of switching and amplifying applications where very
low threshold voltage, high breakdown voltage, high input
impedance, low input capacitance, and fast switching speeds
are desired.
Absolute Maximum Ratings
Parameter Value
Drain-to-source voltage BVDSX
Drain-to-gate voltage BVDGX
Gate-to-source voltage ±20V
Operating and storage temperature -55OC to +150OC
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.
Ordering Information
Device
Package BVDSX/BVDGX
(V)
RDS(ON)
(max)
(Ω)
IDSS
(typ)
(mA)
TO-252 (D-PAK)
DN2470 DN2470K4-G 700 42 500
N-Channel Depletion-Mode
Vertical DMOS FET
YY = Year Sealed
WW = Week Sealed
L = Lot Number
= “Green” Packaging
Si YYWW
DN2470
LLLLLLL
Product Marking
TO-252 (D-PAK) (K4)
TO-252 (D-PAK) (K4)
Package may or may not include the following marks: Si or
Package
GATE
SOURCE
DRAIN
2
DN2470
Supertex inc. ● 1235 Bordeaux Drive, Sunnyvale, CA 94089 ● Tel: 408-222-8888 ● www.supertex.com
Electrical Characteristics (TA = 25OC unless otherwise specied)
Sym Parameter Min Typ Max Units Conditions
BVDSX Drain-to-source breakdown voltage 700 - - V VGS = -5.0V, ID = 100µA
VGS(OFF) Gate-to-source off voltage -1.5 - -3.5 V VDS = 25V, ID = 10µA
ΔVGS(OFF) Change in VGS(OFF) with temperature - - -4.5 mV/OC VDS = 25V, ID = 10µA
IGSS Gate body leakage current - - 100 nA VGS = ±20V, VDS = 0V
ID(OFF) Drain-to-source leakage current
- - 1.0 µA VGS = -10V, VDS = Max rating
- - 1.0 mA VGS = -10V, TA = 125OC,
VDS = 0.8 Max Rating
IDSS Saturated drain-to-source current - 500 - mA VGS = 0V, VDS = 25V
RDS(ON)
Static drain-to-source on-state
resistance - - 42 ΩVGS = 0V, ID = 100mA
ΔRDS(ON) Change in RDS(ON) with temperature - - 1.1 %/OC VGS = 0V, ID = 100mA
GFS Forward transconductance 100 - - mmho VDS = 10V, ID = 100mA
CISS Input capacitance - - 540
pF VGS = -10V, VDS = 25V,
f = 1.0MHz
COSS Common source output capacitance - - 60
CRSS Reverse transfer capacitance - - 25
td(ON) Turn-on delay time - - 30
ns
VDD = 25V,
ID = 100mA,
RGEN = 25Ω,
trRise time - - 45
td(OFF) Turn-off delay time - - 45
tfFall time - - 60
VSD Diode forward voltage drop - - 1.8 V VGS = -5.0V, ISD = 200mA
trr Reverse recovery time - 800 - ns VGS = -5.0V, ISD = 200mA
Notes:
1. All D.C. parameters 100% tested at 25OC unless otherwise stated. (Pulse test: 300µs pulse, 2% duty cycle.)
2. All A.C. parameters sample tested.
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-252 170 500 2.5‡6.25 50‡170 500
Notes:
† ID (continuous) is limited by max rated Tj of 150OC.
‡ Mounted on FR4 board, 25mm x 25mm x 1.57mm
Switching Waveforms and Test Circuit
90%
10%
90% 90%
10%
10%
Pulse
Generator
VDD
RL
Output
D.U.T.
t
(ON)
t
d(ON)
t
(OFF)
t
d(OFF)
t
f
t
r
Input
INPUT
OUTPUT
0V
VDD
RGEN
0V
-10V
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)
©2011 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
3
DN2470
(The package drawing(s) in this data sheet may not reect the most current specications. For the latest package outline
information go to http://www.supertex.com/packaging.html.)
Doc.# DSFP-DN2470
B041311
3-Lead TO-252 (D-PAK) Package Outline (K4)
Note:
1. Although 4 terminal locations are shown, only 3 are functional. Lead number 2 was removed.
123
4
L4 L5
b
b2
e
D1
E1
L1
L
Seating
Plane
A1
Gauge
Plane
θ
D
E
View B
Front View Side View
Rear View
View B
θ1
H
c2
A
L3
L2
b3
Note 1
Symbol A A1 b b2 b3 c2 D D1 E E1 e H L L1 L2 L3 L4 L5 θθ1
Dimen-
sion
(inches)
MIN .086 .000* .025 .030 .195 .018 .235 .205 .250 .170
.090
BSC
.370 .055
.108
REF
.020
BSC
.035 .025* .035†0O0O
NOM - - - - - - .240 - - - - .060 - - - - -
MAX .094 .005 .035 .045 .215 .035 .245 .217* .265 .200* .410 .070 .050 .040 .060 10O15O
JEDEC Registration TO-252, Variation AA, Issue E, June 2004.
* This dimension is not specied in the JEDEC drawing.
† This dimension differs from the JEDEC drawing.
Drawings not to scale.
Supertex Doc. #: DSPD-3TO252K4, Version F040910.
