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IRF6646TR1PBF Datasheet, PDF (6/10 Pages) International Rectifier – Ideal for High Performance Isolated Converter Primary Switch Socket
IRF6646PbF
Current Regulator
Same Type as D.U.T.
50KΩ
12V
.2µF
.3µF
D.U.T.
+
-VDS
VGS
3mA
IG
ID
Current Sampling Resistors
Fig 15a. Gate Charge Test Circuit
Id
Vds
Vgs
Vgs(th)
Qgs1 Qgs2 Qgd
Qgodr
Fig 15b. Gate Charge Waveform
15V
VDS
L
RG
2V0GVS
tp
D.U.T
IAS
0.01Ω
DRIVER
+
- VDD
A
Fig 16a. Unclamped Inductive Test Circuit
V(BR)DSS
tp
IAS
Fig 16b. Unclamped Inductive Waveforms
VDS
VGS
RG
10V
Pulse Width ≤ 1 µs
Duty Factor ≤ 0.1 %
RD
D.U.T.
+
-
VDD
Fig 17a. Switching Time Test Circuit
6
VDS
90%
10%
VGS
td(on) tr
td(off) tf
Fig 17b. Switching Time Waveforms
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