5309 데이터 시트보기 (PDF) - Intersil
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5309 Datasheet PDF : 8 Pages
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HUF75309T3ST
Typical Performance Curves (Continued)
600
VGS = 0V, f = 1MHz
500
CISS = CGS + CGD
CRSS = CGD
COSS = CDS + CGD
400
CISS
300
200
100
0
0
COSS
CRSS
10
20
30
40
50
60
VDS, DRAIN TO SOURCE VOLTAGE (V)
FIGURE 12. CAPACITANCE vs DRAIN TO SOURCE VOLTAGE
Test Circuits and Waveforms
VDS
VARY tP TO OBTAIN
REQUIRED PEAK IAS
RG
VGS
tP
0V
L
DUT
+
VDD
-
IAS
0.01Ω
10
WAVEFORMS IN
DESCENDING ORDER:
8
ID = 3A
ID = 1A
VDD = 30V
6
4
2
0
0
2
4
6
8
10
12
Qg, GATE CHARGE (nC)
NOTE: Refer to Intersil Application Notes AN7254 and AN7260.
FIGURE 13. GATE CHARGE WAVEFORMS FOR CONSTANT
GATE CURRENT
tP
IAS
BVDSS
VDS
VDD
0
tAV
FIGURE 14. UNCLAMPED ENERGY TEST CIRCUIT
VDS
RL
VGS
Ig(REF)
DUT
+
VDD
-
FIGURE 16. GATE CHARGE TEST CIRCUIT
FIGURE 15. UNCLAMPED ENERGY WAVEFORMS
VDD
VDS
Qg(TOT)
VGS
VGS = 2V
0
Ig(REF)
0
Qg(10)
Qg(TH)
VGS = 10V
VGS = 20V
FIGURE 17. GATE CHARGE WAVEFORM
27
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