75229P Просмотр технического описания (PDF) - Intersil
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75229P Datasheet PDF : 8 Pages
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HUF75229P3
Typical Performance Curves (Continued)
1500
1200
900
VGS = 0V, f = 1MHz
CISS
10
VDD = 30V
8
6
600
300
0
0
COSS
CRSS
10
20
30
40
50
VDS, DRAIN TO SOURCE VOLTAGE (V)
FIGURE 12. CAPACITANCE vs DRAIN TO SOURCE VOLTAGE
4
WAVEFORMS IN
DESCENDING ORDER:
2
ID = 44A
ID = 27A
ID = 11A
0
0
5
10
15
20
25
30
35
Qg, GATE CHARGE (nC)
NOTE: Refer to Intersil Application Notes AN7254 and AN7260.
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
VDD
VDS
Qg(TOT)
VGS
VGS = 2V
0
Ig(REF)
0
Qg(10)
Qg(TH)
VGS = 10V
VGS = 20V
FIGURE 17. GATE CHARGE WAVEFORM
5
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