FSL430D1 データシートの表示（PDF） - Intersil
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FSL430D1 Datasheet PDF : 8 Pages
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FSL430D, FSL430R
Typical Performance Curves Unless Otherwise Specified (Continued)
10
5
STARTING TJ = 150oC
STARTING TJ = 25oC
IF R = 0
tAV = (L) (IAS) / (1.3 RATED BVDSS - VDD)
IF R ≠ 0
1 tAV = (L/R) ln [(IAS*R) / (1.3 RATED BVDSS - VDD) + 1]
0.001
0.01
0.1
1
10
tAV, TIME IN AVALANCHE (ms)
FIGURE 8. UNCLAMPED INDUCTIVE SWITCHING
Test Circuits and Waveforms
ELECTRONIC SWITCH OPENS
WHEN IAS IS REACHED
VDS
L
CURRENT
TRANSFORMER
+
IAS
-
VARY tP TO OBTAIN
REQUIRED PEAK IAS
50Ω
VGS ≤ 20V
tP
50Ω
0V
DUT
+
VDD
-
50V -150V
FIGURE 9. UNCLAMPED ENERGY TEST CIRCUIT
tP
IAS
BVDSS
VDS
VDD
tAV
FIGURE 10. UNCLAMPED ENERGY WAVEFORMS
VGS = 12V
0V
VDD
RGS
RL
VDS
DUT
FIGURE 11. RESISTIVE SWITCHING TEST CIRCUIT
VDS
tON
td(ON)
tr
90%
tOFF
td(OFF)
tf
90%
10%
10%
VGS
10%
50%
PULSE WIDTH
90%
50%
FIGURE 12. RESISTIVE SWITCHING WAVEFORMS
3-51
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