IRF7809AVPBF_15 Datasheet, PDF (6/8 Pages) International Rectifier – N-Channel Application-Specific MOSFETs

IRF7809AVPbF
0.008
0.007
VGS = 4.5V
0.012
0.010
0.006
VGS = 10V
0.008
ID = 15A
0.005
0
20 40 60 80 100 120
ID , Drain Current (A)
0.006
2.5
3.0
3.5
4.0
4.5
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
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 13a&b. Basic Gate Charge Test Circuit
and Waveform
Fig 13. On-Resistance Vs. Gate Voltage
500
ID
TOP
6.7A
9.5A
400
BOTTOM 15A
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 14a&b. Unclamped Inductive Test circuit
and Waveforms
6
Fig 14c. Maximum Avalanche Energy
Vs. Drain Current
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