Page 1
Supertex inc.
www.supertex.com
N-Channel Depletion-Mode
= “Green” Packaging
DMOS FET
LND150
Features
► Free from secondary breakdown
► Low power drive requirement
► Ease of paralleling
► Excellent thermal stability
► Integral source-drain diode
► High input impedance and low C
ISS
► ESD gate protection
Applications
► Solid state relays
► Normally-on switches
► Converters
► Power supply circuits
► Constant current sources
► Input protection circuits
Ordering Information
Part Number Package Options Packing
LND150K1-G TO-236AB (SOT-23) 3000/Reel
LND150N3-G TO-92 1000/Bag
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 amplication.
Product Summary
BV
DSX
/BV
(V)
DGX
R
DS(ON)
(max)
500 1.0kΩ 1.0mA
I
DSS
(min)
LND150N3-G P002 TO-92 2000/Reel
LND150N3-G P003 TO-92 2000/Reel
LND150N3-G P005 TO-92 2000/Reel
LND150N3-G P013 TO-92 2000/Reel
LND150N3-G P014 TO-92 2000/Reel
LND150N8-G TO-243AA (SOT-89) 2000/Reel
-G denotes a lead (Pb)-free / RoHS compliant package
Absolute Maximum Ratings
Parameter Value
Drain-to-source BV
Drain-to-gate BV
Gate-to-source ±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.
Product Marking
NDEW
W = Code for Week Sealed
= “Green” Packaging
SiLN
D150
YYWW
TO-236AB (SOT-23)
Packages may or may not include the following marks: Si or
DSX
DGX
YY = Year Sealed
WW = Week Sealed
TO-92
Pin Conguration
SOURCE
TO-92
SOURCE
DRAIN
GATE
TO-236AB (SOT-23)
LN1EW
TO-243AA (SOT-89)
DRAIN
GATE
SOURCE
DRAIN
SOURCE
GATE
TO-243AA (SOT-89)
W = Code for Week Sealed
= “Green” Packaging
Doc.# DSFP-LND150
C041114
Supertex inc.
Page 2
www.supertex.com
LND150
Thermal Characteristics
I
D
Package
(continuous)
(mA)
†
TO-236AB (SOT-23) 13 30 0.36 203 13 30
TO-92 30 30 0.74 132 30 30
TO-243AA (SOT-89) 30 30 1.6
Notes:
† I
(continuous) is limited by max rated Tj.
D
I
D
(pulsed)
(mA)
Power Dissipation
@TA = 25OC
(W)
‡
θ
ja
(OC/W)
I
DR
(mA)
133 30 30
I
DRM
(mA)
†
Electrical Characteristics (T
= 25OC unless otherwise specied)
A
Sym Parameter Min Typ Max Units Conditions
BV
V
GS(OFF)
ΔV
GS(OFF)
I
GSS
I
D(OFF)
I
DSS
R
DS(ON)
ΔR
DS(ON)
G
C
ISS
C
OSS
C
RSS
t
d(ON)
t
t
d(OFF)
t
V
t
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.
Drain-to-source breakdown voltage 500 - - V VGS = -10V, ID = 1.0mA
DSX
Gate-to-source off voltage -1.0 - -3.0 V VGS = 25V, ID = 100nA
Change in V
with temperature - - 5.0 mV/OC VGS = 25V, ID = 100nA
GS(OFF)
Gate body leakage current - - 100 nA VGS = ± 20V, V
= -10V, V
GS
V
= 0.8V Max Rating,
DS
VGS = -10V, TA = 125OC
Drain-to-source leakage current
- - 100 nA V
- - 100 µA
Saturated drain-to-source current 1.0 - 3.0 mA VGS = 0V, VDS = 25V
Static drain-to-source on-state resistance - 850 1000 Ω VGS = 0V, ID = 0.5mA
Change in R
Forward transductance 1.0 2.0 - m VDS = 0V, ID = 1.0mA
FS
Input capacitance - 7.5 10
Common source output capacitance - 2.0 3.5
Reverse transfer capacitance - 0.5 1.0
with temperature - - 1.2 %/OC VGS = 0V, ID = 0.5mA
DS(ON)
Ω
VGS = -10V,
pF
VDS = 25V,
f = 1.0MHz
Turn-on delay time - 0.09 -
Rise time - 0.45 -
r
Turn-off delay time - 0.1 -
Fall time - 1.3 -
f
Diode forward voltage drop - - 0.9 V VGS = -10V, ISD = 1.0mA
SD
Reverse recovery time - 200 - ns VGS = -10V, ISD = 1.0mA
rr
µs
VDD = 25V,
ID = 1.0mA,
R
GEN
= 25Ω
DS
= 450V
DS
= 0V
Switching Waveforms and Test Circuit
INPUT
OUTPUT
Doc.# DSFP-LND150
C041114
0V
-10V
VDD
0V
10%
t
d(ON)
t
(ON)
10%
90%
t
r
90%
t
d(OFF)
t
(OFF)
t
f
90%
10%
2
Pulse
Generator
R
GEN
INPUT
VDD
R
L
OUTPUT
D.U.T.
Supertex inc.
Page 3
www.supertex.com
Typical Performance Curves
6
5
Output Characteristics
V
GS
= 1.0V
Saturation Characteristics
6
5
LND150
V
= 1.0V
GS
4
3
(milliamps)
D
I
2
1
0
0 250 500
Transconductance vs. Drain Current
10
= 400V
V
DS
8
6
V
(V)
DS
TA = -55°C
25°C
4
(millisiemens)
FS
G
2
125°C
0.5V
0V
-0.5V
-1.0V
4
0.5V
3
(milliamps)
D
I
2
1
0V
-0.5V
0
0 1 2 3 5
V
(V)
DS
4
-1.0V
Power Dissipation vs. Ambient Temperature
2
TO-243AA
1
(Watts)
D
P
TO-92
TO-236AB
0
0
2 4 6
ID (milliamps) TA (°C)
Maximum Rated Safe Operating Area
100
10
(milliamps)
D
I
1
T
300µs pulse
2% duty cycle
0.1
1 100010010
TO-243AA (DC)
TO-92 (DC)
TO-236 (DC)
= 25°C
A
(V) tP (seconds)
V
DS
Pulsed
0
10
8
0 15010050
Thermal Response Characteristics
1.0
0.8
TO-243AA
= 25°C
T
A
= 1.2W
P
D
0.6
0.4
TO-92
= 1.0W
0.2
Thermal Resistance (normalized)
0
0.001 100.01 0.1 1.0
P
D
T
C
= 25°C
Doc.# DSFP-LND150
C041114
3
Supertex inc.
Page 4
www.supertex.com
Typical Performance Curves (cont.)
LND150
BV
Variation with Temperature
DSS
V
= -5.0V
GS
1.1
1.0
(normalized)
DSS
BV
0.9
-50 0 50 100 150
Tj (OC)
10
V
= 400V
DS
T
= -55°C
A
5
(milliamps)
D
I
0
-1 0 1 2 3
V
(V)
GS
25°C
125°C
ID vs R
R
SOURCE
R
DS(ON)
SOURCE
(Ω)
I
LND1
R
SOURCE
@ ID = 1.0mA
V
@ 100nA
GS(OFF)
1.4
1.2
125°C
1.0
0.8
0.6
(milliamps)
D
I
0.4
0.2
0.0
V
GS(OFF)
1.8
1.6
1.4
(normalized)
1.2
GS(OFF)
V
1.0
0.8
-50 0 50 100 150
25°C
100 1K 10K
and R
DS
Variation with TemperatureTransfer Characteristics
Tj (OC)
D
↓
100K10
2.0
1.6
1.2
(normalized)
DS(ON)
R
0.8
0.4
Doc.# DSFP-LND150
C041114
Capacitance vs. Drain-to-Source Voltage
10
V
= -10V
GS
C
ISS
5
C (picofarads)
C
OSS
C
0
0 10 20 30 40
V
(V)
DS
RSS
Gate Drive Dynamic Characteristics
10
8.7pF
V
= 20V
5
DS
40V
60V
(V)
GS
V
0
-5
0 0.1 0.2 0.3
QC (nanocoulombs)
Supertex inc.
4
Page 5
www.supertex.com
3-Lead TO-236AB (SOT-23) Package Outline (K1)
2.90x1.30mm body, 1.12mm height (max), 1.90mm pitch
D
3
E
E1
LND150
0.25
1
e
e1
2
b
Top View
A
A2
A
Seating
Plane
A1
Side View
A
L
L1
View B
View A - A
Gauge
Plane
Seating
Plane
View B
Symbol A A1 A2 b D E E1 e e1 L L1 θ
MIN 0.89 0.01 0.88 0.30 2.80 2.10 1.20
Dimension
(mm)
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 8
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.
Doc.# DSFP-LND150
C041114
0.95
BSC
1.90
BSC
0.20
†
0.54
REF
O
0
O
Supertex inc.
5
Page 6
www.supertex.com
3-Lead TO-92 Package Outline (N3)
D
Seating
Plane
1 2 3
L
LND150
A
Front View
E1
1
Bottom View
e1
b
e
c
Side View
E
3
2
Symbol A b c D E E1 e e1 L
MIN .170 .014
Dimensions
(inches)
NOM - - - - - - - - -
MAX .210 .022
JEDEC Registration TO-92.
* This dimension is not specied in the JEDEC drawing.
† This dimension differs from the JEDEC drawing.
Drawings not to scale.
Supertex Doc.#: DSPD-3TO92N3, Version E041009.
Doc.# DSFP-LND150
C041114
†
†
.014
.022
†
.175 .125 .080 .095 .045 .500
†
.205 .165 .105 .105 .055 .610*
Supertex inc.
6
Page 7
©2014
Supertex inc.
94089
el: 408-222-8888
www.supertex.com
3-Lead TO-243AA (SOT-89) Package Outline (N8)
D
D1
H
E
E1
C
LND150
L
1 2 3
b
e
b1
A
e1
Vqr"Xkgy
Ukfg"Xkgy
Symbol A b b1 C D D1 E E1 e e1 H L
†
1.50
BSC
3.00
BSC
3.94 0.73
Dimensions
(mm)
MIN 1.40 0.44 0.36 0.35 4.40 1.62 2.29 2.00
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 F111010.
(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.)
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.”
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. All rights reserved. Unauthorized use or reproduction is prohibited.
Doc.# DSFP-LND150
C041114
Supertex inc. does not assume responsibility for use of devices described, and limits its liability
Supertex inc. (website: http//www.supertex.com)
1235 Bordeaux Drive, Sunnyvale, CA
7
T
†
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