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DN2625K4-G

Description
N-Channel Depletion-Mode Vertical DMOS FETs
File Size878KB,7 Pages
ManufacturerSUTEX
Websitehttp://www.supertex.com/
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DN2625K4-G Overview

N-Channel Depletion-Mode Vertical DMOS FETs

DN2625
N-Channel Depletion-Mode Vertical DMOS FETs
Features
Very low gate threshold voltage
Design to be source-driven
Low switching losses
Low effective output capacitance
Design for inductive load
Well matched for low second harmonic
General Description
The Supertex DN2625 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.
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.
Applications
Medical ultrasound beamforming
Ultrasonic array focusing transmitter
Piezoelectric transducer waveform drivers
High speed arbitrary waveform generator
Normally-on switches
Solid state relays
Constant current sources
Power supply circuits
Switching Waveforms and Test Circuit
V
DD
0V
90%
INPUT
-10V
10%
t
(ON)
PULSE
GENERATOR
t
(OFF)
t
r
t
d(OFF)
t
F
R
L
OUTPUT
R
GEN
t
d(ON)
V
DD
10%
10%
INPUT
D.U.T.
OUTPUT
0V
90%
90%
Thermal Characteristics
Package
D-PAK
14-Lead QFN
I
D
(continuous)
1
(A)
I
D
(pulsed)
(A)
R
ΘjA
2
(
O
C/W)
R
ΘjC
(
O
C/W)
I
DR1
(A)
I
DRM
(A)
1.1
3.3
50
45
5.5
4.0
1.1
3.3
Notes:
1. I
D
(Continuous) is limited by Max. T
J
2. 4-layer, 1oz, 3x4inch PCB, with 20-via for drain pad.
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