IRFR-120 Datasheet, PDF (6/11 Pages) Vishay Siliconix – Power MOSFET

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IRFR120, IRFU120, SiHFR120, SiHFU120
Vishay Siliconix
V_DS
Vary t_p to obtain
required I_AS
R_g
10 V
t_p
L
D.U.T
I_AS
0.01 Ω
+
- ^{V DD}
Fig. 12a - Unclamped Inductive Test Circuit
V_DS
V_DS
t_p
V_DD
I_AS
Fig. 12b - Unclamped Inductive Waveforms
Fig. 12c - Maximum Avalanche Energy vs. Drain Current
V_GS
Q_GS
V_G
Q_G
Q_GD
Charge
Fig. 13a - Basic Gate Charge Waveform
Current regulator
Same type as D.U.T.
12 V
50 kΩ
0.2 µF
0.3 µF
+
D.U.T. - ^VDS
V_GS
3 mA
I_G
I_D
Current sampling resistors
Fig. 13b - Gate Charge Test Circuit
S13-0171-Rev. C, 04-Feb-13
6
Document Number: 91266
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