 English |
|
|
|
|
|
|
|
| IRFP244 Datasheet, PDF (7/7 Pages) Intersil Corporation – 15A and 14A, 275V and 250V, 0.28 and 0.34 Ohm, N-Channel Power MOSFETs | |||
| |||
| ◁ |
IRFP244, IRFP245, IRFP246, IRFP247
Test Circuits and Waveforms
VARY tP TO OBTAIN
REQUIRED PEAK IAS
RG
VGS
tP
0V
VDS
L
DUT
+
VDD
-
IAS
0.01â¦
FIGURE 15. UNCLAMPED ENERGY TEST CIRCUIT
tP
IAS
BVDSS
VDS
VDD
0
tAV
FIGURE 16. UNCLAMPED ENERGY WAVEFORMS
RL
+
RG
VDD
-
DUT
VGS
FIGURE 17. SWITCHING TIME TEST CIRCUIT
VDS
tON
td(ON)
tr
90%
tOFF
td(OFF)
tf
90%
10%
0
VGS
10%
0
50%
PULSE WIDTH
10%
90%
50%
FIGURE 18. RESISTIVE SWITCHING WAVEFORMS
CURRENT
REGULATOR
12V
BATTERY
0.2µF 50kâ¦
0.3µF
VDS
(ISOLATED
SUPPLY)
SAME TYPE
AS DUT
VDD
Qgs
Qg(TOT)
Qgd
VGS
D
VDS
G
DUT
0
Ig(REF)
0
S
VDS
IG(REF)
IG CURRENT
ID CURRENT
SAMPLING
SAMPLING
0
RESISTOR
RESISTOR
FIGURE 19. GATE CHARGE TEST CIRCUIT
FIGURE 20. GATE CHARGE WAVEFORMS
5-7
|
German
Russian
Spanish
Italian
Polish
Chinese
Japanese
Korean
French
Portuguese