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| UF640 Datasheet, PDF (4/5 Pages) Unisonic Technologies – 18 A, 200 V, 0.18 OHM, N-CHANNEL POWER MOSFET | |||
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UF640
TEST CIRCUIT
VDS
L
RG
VDD
D.U.T.
MOSFET
BVDSS
VDS
IAS
VDD
0.01Ȥ
IAS
Figure 1A. Unclamped Energy Test Circuit
0
tp
tAV
Figure 1B. Unclamped Energy Waveforms
RG
VGS
RL
VDD
D.U.T.
VDS
90%
10%
0
VGS
010%
50%
PULSE WIDTH
tD(ON) tR
tON
90%
50%
tD(OFF) tF
t OFF
Figure 2A. Switching Time Test Circuit
Figure 2B. Resistive Switching Waveforms
VDS
CURRENT
(ISOLATED
REGULATOR
SUPPLY)
VDD
12V
BATTERY
50kȤ
0.2µF
0.3µF
SAME TYPE
AS DUT
QGS
Q G(TOT)
QGD
VGS
D
VDS
G
DUT
0
IG(REF)
0
S
IG(REF)
IG CURRENT
ID CURRENT
SAMPLING
SAMPLING
0
RESISTOR
RESISTOR
Figure 3A. Gate Charge Test Circuit
Figure 3B. Gate Charge Waveforms
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
4 of 5
Ver.A
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