IRFR Datasheet, PDF (6/10 Pages) International Rectifier – Power MOSFET(Vdss=100V, Rds(on)=0.21ohm, Id=9.4A)

IRFR/U120N
15V
VDS
L
D R IV E R
RG
10V
tp
D.U .T
I_{A S}
0 .0 1 Ω
+
- ^VDD
A
Fig 12a. Unclamped Inductive Test Circuit
V_(BR)DSS
tp
200
I_D
TOP
2 .3 A
4.0A
160
BOTTOM 5.7A
120
80
40
0 ^{VDD = 25V}
25
50
75
A
100
125
150
175
Starting T_J , Junction Tem perature (°C)
Fig 12c. Maximum Avalanche Energy
Vs. Drain Current
I_AS
Fig 12b. Unclamped Inductive Waveforms
Q_G
5.0 V
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
www.irf.com