76145P 데이터 시트보기 (PDF) - Fairchild Semiconductor
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76145P Datasheet PDF : 11 Pages
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HUF76145P3, HUF76145S3S
Typical Performance Curves (Continued)
8000
6000
4000
2000
0
0
VGS = 0V, f = 1MHz
CISS = CGS + CGD
CRSS = CGD
COSS ≈ CDS + CGD
CISS
COSS
CRSS
5
10
15
20
25
30
VDS, DRAIN TO SOURCE VOLTAGE (V)
FIGURE 13. CAPACITANCE vs DRAIN TO SOURCE VOLTAGE
10
8
6
4
WAVEFORMS IN
DESCENDING ORDER:
2
ID = 75A
ID = 50A
VDD = 15V
ID = 25A
0
0
40
80
120
160
Qg, GATE CHARGE (nC)
NOTE: Refer to Fairchild Application Notes AN7254 and AN7260.
FIGURE 14. GATE CHARGE WAVEFORMS FOR CONSTANT
GATE CURRENT
1200
VGS = 4.5V, VDD = 15V, ID = 75A, RL= 0.20Ω
tr
1000
800
tf
td(OFF)
600
400
200
0
0
td(ON)
10
20
30
40
50
RGS, GATE TO SOURCE RESISTANCE (Ω)
FIGURE 15. SWITCHING TIME vs GATE RESISTANCE
Test Circuits and Waveforms
1000
800
VGS = 10V, VDD = 15V, ID = 75A, RL= 0.20Ω
td(OFF)
600
tf
400
tr
200
td(ON)
0
0
10
20
30
40
50
RGS, GATE TO SOURCE RESISTANCE (Ω)
FIGURE 16. SWITCHING TIME vs GATE RESISTANCE
VARY tP TO OBTAIN
REQUIRED PEAK IAS
RG
VGS
tP
0V
VDS
L
DUT
+
VDD
-
IAS
0.01Ω
FIGURE 17. UNCLAMPED ENERGY TEST CIRCUIT
tP
IAS
BVDSS
VDS
VDD
0
tAV
FIGURE 18. UNCLAMPED ENERGY WAVEFORMS
©2001 Fairchild Semiconductor Corporation
HUF76145P3, HUF76145S3S Rev. B
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