IRF230 查看數據表（PDF） - Intersil
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IRF230 Datasheet PDF : 7 Pages
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IRF230, IRF231, IRF232, IRF233
Test Circuits and Waveforms
VARY tP TO OBTAIN
REQUIRED PEAK IAS
RG
VGS
tP
0V
VDS
L
DUT
+
VDD
-
IAS
0.01Ω
FIGURE 15. UNCLAMPED ENERGY TEST CIRCUIT
tP
IAS
BVDSS
VDS
VDD
0
tAV
FIGURE 16. UNCLAMPED ENERGY WAVEFORMS
VGS
tON
tOFF
td(ON)
td(OFF)
tr
RL
VDS
90%
tf
90%
+
RG
VDD
10%
-
0
10%
DUT
90%
VGS
10%
0
50%
PULSE WIDTH
50%
FIGURE 17. SWITCHING TIME TEST CIRCUIT
CURRENT
REGULATOR
VDS
(ISOLATED
SUPPLY)
12V
BATTERY
0.2µF 50kΩ
0.3µF
SAME TYPE
AS DUT
D
G
DUT
Ig(REF)
0
S
VDS
IG CURRENT
ID CURRENT
SAMPLING
SAMPLING
RESISTOR
RESISTOR
FIGURE 19. GATE CHARGE TEST CIRCUIT
FIGURE 18. RESISTIVE SWITCHING WAVEFORM
VDD
Qgs
Qg(TOT)
Qgd
VGS
VDS
0
IG(REF)
0
FIGURE 20. GATE CHARGE WAVEFORMS
7
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