IRF7478PBF-1_15 Datasheet, PDF (6/8 Pages) International Rectifier – Industry-standard pinout SO-8 Package

IRF7478PbF-1
0.028
0.026
0.024
0.022
VGS = 4.5V
0.020
0.018
0.016
0
VGS = 10V
10 20 30 40 50 60
ID , Drain Current (A)
Fig 12. On-Resistance Vs. Drain Current
Current Regulator
Same Type as D.U.T.
50KΩ
12V
.2μF
.3μF
V_GS
3mA
D.U.T.
+
-V^DS
V_GS
Q_GS
V_G
I_G
I_D
Current Sampling Resistors
Q_G
Q_GD
Charge
Fig 14a&b. Basic Gate Charge Test Circuit
and Waveform
0.04
0.03
0.02
ID = 7.0A
0.01
0.0
2.0 4.0 6.0 8.0 10.0 12.0 14.0 16.0
VGS, Gate -to -Source Voltage (V)
Fig 13. On-Resistance Vs. Gate Voltage
400
ID
TOP
1.9A
3.4A
BOTTOM 4.2A
300
200
V(BR)DSS
tp
I AS
VDS
L
RG
20V
tp
D.U.T
I_AS
0.01Ω
15V
DRIVER
+
-
VDD
A
100
0
25
50
75
100
125
150
Starting T_J , Junction Temperature ( ^°C)
Fig 15a&b. Unclamped Inductive Test circuit
and Waveforms
Fig 15c. Maximum Avalanche Energy
Vs. Drain Current
6
www.irf.com © 2013 International Rectifier Submit Datasheet Feedback
November 20, 2013