IRF7380TRPBF Datasheet, PDF (6/8 Pages) International Rectifier – High frequency DC-DC converters

IRF7380
95
90
85
80
75
70
65
60
55
50
0
VGS = 10V
5
10 15 20 25 30
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
800
700
600
500
400
300
ID = 3.6A
200
100
0
3.0 5.0 7.0 9.0 11.0 13.0 15.0
VGS, Gate -to -Source Voltage (V)
Fig 13. On-Resistance Vs. Gate Voltage
200
ID
TOP
1.0A
1.8A
160
BOTTOM
2.2A
120
V(BR)DSS
tp
I AS
VDS
L
RG
20V
tp
D.U.T
I_AS
0.01Ω
15V
DRIVER
+
-
VDD
A
80
40
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
Spetember 16, 2013