5N40
Preliminary
Power MOSFET
TEST CIRCUITS AND WAVEFORMS (Cont.)
VDS
90%
10%
VGS
tD(ON)
tD(OFF)
tF
tR
Switching Test Circuit
Switching Waveforms
VGS
QG
10V
QGS
QGD
Charge
Gate Charge Test Circuit
Gate Charge Waveform
BVDSS
IAS
ID(t)
VDS(t)
VDD
Time
tp
Unclamped Inductive Switching Test Circuit
Unclamped Inductive Switching Waveforms
UNISONIC TECHNOLOGIES CO., LTD
5 of 6
QW-R502-571.b
www.unisonic.com.tw