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IRF840LCS Datasheet, PDF (6/8 Pages) International Rectifier – Power MOSFET(Vdss=500V, Rds(on)=0.85ohm, Id=8.0A)
IRF840LCS, IRF840LCL, SiHF840LCS, SiHF840LCL
Vishay Siliconix
Fig. 12c - Maximum Avalanche Energy vs. Drain Current
10 V
QGS
VG
QG
QGD
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
VGS
3 mA
IG
ID
Current sampling resistors
Fig. 13b - Gate Charge Test Circuit
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6
Document Number: 91068
S-Pending-Rev. A, 02-Jun-08