IRFR3911_15 Datasheet, PDF (6/10 Pages) Lucky Light Electronic – SMPS MOSFET

IRFR3911/IRFU3911
15V
VDS
L
D R IV E R
RG
20V
tp
D .U .T
I_{A S}
0 .0 1Ω
+
- ^VD D
A
Fig 12a. Unclamped Inductive Test Circuit
V _{(B R)DSS}
tp
I_AS
Fig 12b. Unclamped Inductive Waveforms
120
 ^TOP
ID
3.4A
5.9A
96
BOTTOM
8.4A
72
48
24
0
25
50
75
100
125
Starting T , J_Junction Temperature
150
175
( ^°C)
Fig 12c. Maximum Avalanche Energy
Vs. Drain Current
Q_G
Q_GS
Q_GD
V_G
Charge
Fig 13a. Basic Gate Charge Waveform
6
Current Regulator
Same Type as D.U.T.
50KΩ
12V
.2µF
.3µF
D.U.T.
+
-V^DS
V_GS
3mA
I_G
I_D
Current Sampling Resistors
Fig 13b. Gate Charge Test Circuit
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