RFD20N03SM 데이터 시트보기 (PDF) - Intersil
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RFD20N03SM Datasheet PDF : 8 Pages
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RFD20N03, RFD20N03SM
Typical Performance Curves (Continued)
1800
1500
1200
CISS
VGS = 0V, f = 1MHz
CISS = CGS + CGD
CRSS = CGD
COSS ≈ CDS + CGD
900
600
CRSS
300
COSS
0
0
10
20
30
VDS, DRAIN TO SOURCE VOLTAGE (V)
FIGURE 12. CAPACITANCE vs DRAIN TO SOURCE VOLTAGE
10
VDD = 15V
8
6
4
WAVEFORMS IN
DESCENDING ORDER:
2
ID = 20A
ID = 15A
ID = 10A
ID = 5A
0
0
6
12
18
24
30
Qg, GATE CHARGE (nC)
FIGURE 13. GATE CHARGE WAVEFORMS FOR CONSTANT
GATE CURRENT
Test Circuits and Waveforms
VDS
L
VARY tP TO OBTAIN
REQUIRED PEAK IAS
RG
VGS
DUT
+
VDD
-
tP
0V
IAS
0
0.01Ω
tP
IAS
BVDSS
VDS
VDD
tAV
FIGURE 14. UNCLAMPED ENERGY TEST CIRCUIT
FIGURE 15. UNCLAMPED ENERGY WAVEFORMS
VGS
Ig(REF)
VDS
RL
DUT
+
VDD
-
FIGURE 16. GATE CHARGE TEST CIRCUIT
4-431
VDD
VDS
Qg(TOT)
VGS
VGS = 2V
0
Qg(10)
Qg(TH)
VGS = 10V
VGS = 20V
Ig(REF)
0
FIGURE 17. GATE CHARGE WAVEFORM
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