RF1K49224
Test Circuits and Waveforms (P-Channel)
VARY tP TO OBTAIN
REQUIRED PEAK IAS
RG
0V
VGS
tP
VDS
L
DUT
-
VDD
+
IAS
0.01Ω
FIGURE 35. UNCLAMPED ENERGY TEST CIRCUIT
VGS
VGS
RGS
RL
VDS
DUT
-
VDD
+
FIGURE 37. SWITCHING TIME TEST CIRCUIT
VGS
Ig(REF)
VDS
RL
DUT
-
VDD
+
FIGURE 39. GATE CHARGE TEST CIRCUIT
9-25
tAV
0
VDD
IAS
tP
BVDSS
VDS
FIGURE 36. UNCLAMPED ENERGY WAVEFORMS
tON
td(ON)
tr
0
10%
tOFF
td(OFF)
tf
10%
VDS
VGS
0
90%
10%
50%
PULSE WIDTH
90%
50%
90%
FIGURE 38. RESISTIVE SWITCHING WAVEFORMS
Qg(TH)
0
VDS
VGS= -2V
-VGS
VDD
Qg(-10)
VGS= -10V
VGS= -20V
0
Ig(REF)
Qg(TOT)
FIGURE 40. GATE CHARGE WAVEFORMS