DN2540
N-Channel Depletion-Mode
Vertical DMOS FETs
Features
General Description
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The Supertex DN2540 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
coefficient inherent in MOS devices. Characteristic of all
MOS structures, this device is free from thermal runaway and
thermally-induced secondary breakdown.
High input impedance
Low input capacitance
Fast switching speeds
Low on-resistance
Free from secondary breakdown
Low input and output leakage
Applications
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Normally-on switches
Solid state relays
Converters
Linear amplifiers
Constant current sources
Power supply circuits
Telecom
Supertex’s vertical DMOS FETs are ideally suited to a
wide range of switching and amplifying applications where
high breakdown voltage, high input impedance, low input
capacitance, and fast switching speeds are desired.
Ordering Information
Device
DN2540
Package Options
BVDSX/BVDGX
RDS(ON)
IDSS
TO-92
TO-220
TO-243AA (SOT-89)
(V)
(max)
(Ω)
(min)
(mA)
DN2540N3-G
DN2540N5-G
DN2540N8-G
400
25
150
-G indicates package is RoHS compliant (‘Green’)
Pin Configurations
DRAIN
SOURCE
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
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.
DRAIN
SOURCE
GATE
TO-92 (N3)
GATE
DRAIN
TO-220 (N5)
DRAIN
GATE
SOURCE
DRAIN
TO-243AA (SOT-89) (N8)
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DN2540
Product Marking
DN
2 5 4 0
YYWW
YY = Year Sealed
WW = Week Sealed
= “Green” Packaging
DN2540N5
LLLLLLLLL
YYWW
L = Lot Number
YY = Year Sealed
WW = Week Sealed
= “Green” Packaging
TO-220 (N5)
TO-92 (N3)
W = Code for week sealed
= “Green” Packaging
TO-243AA (SOT-89) (N8)
DN5DW
Thermal Characteristics
ID
ID
Power Dissipation
θjc
θja
IDR†
IDRM
Package
(continuous)†
(mA)
(pulsed)
(mA)
@TC = 25OC
(W)
( C/W)
( C/W)
(mA)
(mA)
TO-92
120
500
1.0
125
170
120
500
TO-220
500
500
15
8.3
70
500
500
TO-243AA
170
500
1.6
15
78
170
500
O
‡
O
‡
Notes:
† ID (continuous) is limited by max rated Tj.
‡ Mounted on FR5 board, 25mm x 25mm x 1.57mm.
Electrical Characteristics (TA = 25OC unless otherwise specified)
Sym
Parameter
Min
Typ
Max
Units
BVDSX
Drain-to-source breakdown voltage
400
-
-
V
VGS = -5.0V, ID = 100µA
VGS(OFF)
Gate-to-source off voltage
-1.5
-
-3.5
V
VDS = 25V, ID = 10µA
Change in VGS(OFF) with temperature
-
-
-4.5
mV/OC
VDS = 25V, ID = 10µA
Gate body leakage current
-
-
100
nA
VGS = ±20V, VDS = 0V
-
-
10
µA
VDS = Max rating, VGS = -10V
-
-
1.0
mA
150
-
-
mA
VDS = 0.8 Max Rating,
VGS = -10V, TA = 125OC
Static drain-to-source on-state
resistance
-
17
25
Ω
VGS = 0V, ID = 120mA
Change in RDS(ON) with temperature
-
-
1.1
%/OC
VGS = 0V, ID = 120mA
GFS
Forward transconductance
-
325
-
mmho
VDS = 10V, ID = 100mA
CISS
Input capacitance
-
200
300
COSS
Common source output capacitance
-
12
30
CRSS
Reverse transfer capacitance
-
1.0
5.0
ΔVGS(OFF)
IGSS
ID(OFF)
IDSS
RDS(ON)
ΔRDS(ON)
Drain-to-source leakage current
Saturated drain-to-source current
pF
Conditions
VGS = 0V, VDS = 25V
VGS = -10V,
VDS = 25V,
f = 1MHz
● 1235 Bordeaux Drive, Sunnyvale, CA 94089 ● Tel: 408-222-8888 ● www.supertex.com
2
DN2540
Electrical Characteristics (cont.)
Sym
Parameter
td(ON)
tr
td(OFF)
tf
VSD
trr
Min
Typ
Max
Units
Conditions
Turn-on delay time
-
-
10
Rise time
-
-
15
ns
VDD = 25V,
ID = 150mA,
RGEN = 25Ω,
Turn-off delay time
-
-
15
Fall time
-
-
20
Diode forward voltage drop
-
-
1.8
V
VGS = -10V, ISD = 120mA
Reverse recovery time
-
800
-
ns
VGS = -10V, ISD = 1.0A
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.
Switching Waveforms and Test Circuit
0V
VDD
90%
INPUT
-10V
PULSE
GENERATOR
10%
t(ON)
td(ON)
VDD
t(OFF)
tr
10%
td(OFF)
D.U.T.
10%
OUTPUT
90%
OUTPUT
RGEN
tF
INPUT
0V
RL
90%
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3
DN2540
Typical Performance Curves
Output Characteristics
Saturation Characteristics
0.5
250
V GS = 1.0V
0.5V
V GS = 1.0V
0.5V
0V
200
I D ( millia mps )
I D ( a mpe re s )
0.4
0V
0.3
0.2
-0.5V
0.1
150
-0.5V
100
50
-1.0V
-1.0V
0
0
0
160
80
320
240
400
0
1
2
V DS (volts)
Transconductance vs. Drain Current
0.5
5
Power Dissipation vs. Ambient Temperature
20
V DS = 10V
0.4
TO-220
T A = -55 °C
0.3
T A = 25 °C
P D ( wa tts )
G F S ( s ie me ns )
4
3
V DS (volts)
T A = 125 °C
0.2
10
0.1
TO-243AA
(T A = 2 5 °C )
TO-92
0
0
0
50
100
150
200
250
25
0
T
Maximum Rated Safe Operating Area
C
125
100
150
( °C)
Thermal Response Characteristics
1.0
1
TO-243AA
T he rma l R e s is ta nc e ( norma liz e d)
TO-92/TO-220 (pulsed)
TO-220 (DC)
(T A = 25 °C)
TO-243AA (DC)
I D ( a mpe re s )
75
50
I D (milliamps)
0.1
TO-92 (DC)
0.01
T C = 25 °C
0.001
1
T A = 25 °C
0.8
P D = 1.6W
0.6
0.4
0.2
TO-220
TO-92
T C = 25 °C
T C = 25 °C
P D = 15W
P D = 1.0W
0
10
100
1000
0.001
V DS (volts)
0.01
0.1
1
10
tp (seconds)
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4
DN2540
Typical Performance Curves (cont.)
BV DSS Variation with Temperature
On-Resistance vs. Drain Current
1.1
100
V GS = -5V
V GS = 0V
80
R D S ( on) ( O hms )
B V D S S N orma liz e d
1.05
1.0
0.95
0.9
60
40
20
0
-50
150
100
50
0
0
80
160
T j ( °C)
V GS(off) and R
V DS = 10V
0.24
DS
Variation with Temperature
2
T A = 25 °C
R DS (ON) @ I D = 120mA
N orma liz e d
I D ( a mpe re s )
400
2.5
T A = -55 °C
0.32
320
ID (milliamps)
Transfer Characteristics
0.40
240
T A = 125 °C
0.16
0.08
1.5
1
V GS(OFF) @ 10 µA
0.5
0
0
-3
1
0
-1
2
2
-50
0
50
100
150
T j ( °C)
V GS (Volts)
Capacitance Vs. Drain-to-Source Voltage
Gate Drive Dynamic Characteristics
200
15
C ISS
10
V G S ( V olts )
C ( P ic ofa ra ds )
150
100
V GS = -10V
200pF
5
V DS = 20V
0
V DS = 40V
50
-5
C OSS
C RSS
170pF
0
0
10
30
20
40
0
V DS (Volts)
0.4
0.8
1.2
1.6
2.0
Q C (Nanocoulombs)
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5
DN2540
3-Lead TO-92 Package Outline (N3)
D
A
1
Seating Plane
2
3
L
b
e1
e
c
Side View
Front View
E1
E
3
1
2
Bottom View
Symbol
Dimensions
(inches)
A
b
MIN
.170
.014
NOM
-
-
MAX
.210
.022
c
†
.014
†
D
E
E1
e
e1
L
.175
.125
.080
.095
.045
.500
-
-
-
-
-
-
.205
.165
.105
.105
.055
.610*
†
.022
†
JEDEC Registration TO-92.
* This dimension is not specified in the original JEDEC drawing. The value listed is for reference only.
† This dimension is a non-JEDEC dimension.
Drawings not to scale.
Supertex Doc.#: DSPD-3TO92N3, Version D080408.
● 1235 Bordeaux Drive, Sunnyvale, CA 94089 ● Tel: 408-222-8888 ● www.supertex.com
6
DN2540
3-Lead TO-220 Package Outline (N5)
A
E
E2
Seating
Plane
A
ΦP
Thermal
Pad
E
A1
Q
H1
4
D2
D
D1
Chamfer
Optional
1
3
2
E1
L
View
B
A2
c
e
Front View
A
Side View
1
View A - A
3
2
L1
b
b2
View B
Symbol
Dimension
(inches)
A
A1
A2
b
b2
c
D
D1
D2
E
E1
E2
MIN
.140
.020
.080
.015
.045
.012†
.560
.326†
.474†
.380
.270
0.20*
NOM
-
-
-
.027
.057
-
-
-
-
-
-
-
MAX
.190
.055
.120†
.040
.070
.024
.650
.361†
.507
.420
.350
.030
e
.100
BSC
H1
L
L1
Q
ΦP
.230
.500
.200*
.100
.139
-
-
-
-
-
.270
.580
.250
.135
.161
JEDEC Registration TO-220, Variation AB, Issue K, April 2002.
* This dimension is not specified in the original JEDEC drawing. The value listed is for reference only.
† This dimension is a non-JEDEC dimension.
Drawings not to scale.
Supertex Doc. #: DSPD-3TO220N5, Version B090308.
● 1235 Bordeaux Drive, Sunnyvale, CA 94089 ● Tel: 408-222-8888 ● www.supertex.com
7
DN2540
3-Lead TO-243AA (SOT-89) Package Outline (N8)
b
Symbol
Dimensions
(mm)
b1
A
b
b1
C
D
D1
E
E1
MIN
1.40
0.44
0.36
0.35
4.40
1.62
2.29
2.13
NOM
-
-
-
-
-
-
-
-
MAX
1.60
0.56
0.48
0.44
4.60
1.83
2.60
2.29
e
e1
1.50
BSC
3.00
BSC
H
L
3.94
0.89
-
-
4.25
1.20
JEDEC Registration TO-243, Variation AA, Issue C, July 1986.
Drawings not to scale.
Supertex Doc. #: DSPD-3TO243AAN8, Version D070908.
(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.)
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.
©2008
All rights reserved. Unauthorized use or reproduction is prohibited.
Doc.# DSFP-DN2540
B103108
1235 Bordeaux Drive, Sunnyvale, CA 94089
Tel: 408-222-8888
www.supertex.com
8