2N70-M
Preliminary
TEST CIRCUITS AND WAVEFORMS (Cont.)
VDS 90%
10%
VGS
tD(ON)
tR
Power MOSFET
tD(OFF)
tF
Fig. 2A Switching Test Circuit
Fig. 2B Switching Waveforms
VGS
10V
QGS
QG
QGD
Charge
Fig. 3A Gate Charge Test Circuit
Fig. 3B Gate Charge Waveform
10V
RG
tp
L
VDS
BVDSS
IAS
E AS
=
1
2
LIAS2
BVDSS
BVDSS - VDD
VDD
ID(t)
D.U.T.
VDD
VDS(t)
tp
Time
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
5 of 7
QW-R502-A53.b