UF740-TA3-T 查看數據表（PDF） - Unisonic Technologies
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UF740-TA3-T Datasheet PDF : 6 Pages
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UF740
TEST CIRCUITS AND WAVEFORMS
VDS
L
RG
VDD
D.U.T.
0.01Ω
IAS
Figure 1A. Unclamped Energy Test Circuit
MOSFET
BVDSS
VDS
IAS
VDD
0
tp
tAV
Figure 1B. Unclamped Energy Waveforms
RG
VGS
RL
VDD
D.U.T.
Figure 2A. Switching Time Test Circuit
VDS
90%
10%
0
VGS
010%
50%
PULSE WIDTH
tD(ON) tR
tON
90%
50%
tD(OFF) tF
t OFF
Figure 2B. Resistive Switching Waveforms
12V
BATTERY
0
CURRENT
REGULATOR
VDS
(ISOLATED
SUPPLY)
50kΩ
0.2µF
0.3µF
SAME TYPE
AS DUT
D
G
IG(REF)
DUT
S
IG CURRENT
SAMPLING
RESISTOR
ID CURRENT
SAMPLING
RESISTOR
Figure 3A. Gate Charge Test Circuit
VDD
QGS
Q G(TOT)
QGD
VGS
0
IG(REF)
0
VDS
Figure 3B. Gate Charge Waveforms
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
4 of 6
QW-R502-078,A
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