IRF7459PBF 查看數據表（PDF） - International Rectifier
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IRF7459PBF Datasheet PDF : 8 Pages
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IRF7459PbF
0.010
0.020
0.009
VGS = 4.5V
0.018
0.016
0.014
0.008
VGS = 10V
0.012
0.010
ID = 12A
0.008
0.007
0
0.006
20
40
60
80
100
2.0
2.5
3.0
3.5
4.0
4.5
ID , Drain Current (A)
VGS, Gate -to -Source Voltage (V)
Fig 12. On-Resistance Vs. Drain Current
Current Regulator
Same Type as D.U.T.
50KΩ
12V
.2µF
.3µF
VGS
3mA
D.U.T.
+
-VDS
VGS
QGS
VG
IG
ID
Current Sampling Resistors
QG
QGD
Charge
Fig 14. On-Resistance Vs. Gate Voltage
700
ID
TOP
4.3A
600
7.7A
BOTTOM 9.6A
500
Fig 13a&b. Basic Gate Charge Test Circuit
400
and Waveform
300
V(BR)DSS
tp
I AS
VDS
L
RG
20V
tp
D.U.T
IAS
0.01Ω
15V
DRIVER
+
- VDD
A
200
100
0
25
50
75
100
125
150
Starting TJ , Junction Temperature ( °C)
Fig 14a&b. Unclamped Inductive Test circuit
and Waveforms
6
Fig 14c. Maximum Avalanche Energy
Vs. Drain Current
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