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IRF244 View Datasheet(PDF) - Harris Semiconductor

Part Name
Description
Manufacturer
IRF244 Datasheet PDF : 7 Pages
1 2 3 4 5 6 7
IRF244, IRF245, IRF246, IRF247
Test Circuits and Waveforms
VARY tP TO OBTAIN
REQUIRED PEAK IAS
RG
VGS
tP
0V
VDS
L
DUT
+
VDD
-
IAS
0.01
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
10%
VGS
10%
0
50%
PULSE WIDTH
90%
50%
FIGURE 18. RESISTIVE SWITCHING WAVEFORMS
CURRENT
REGULATOR
12V
BATTERY
0.2µF 50k
0.3µF
VDS
(ISOLATED
SUPPLY)
SAME TYPE
AS DUT
D
G
DUT
Ig(REF)
0
S
VDS
IG CURRENT
ID CURRENT
SAMPLING
SAMPLING
RESISTOR
RESISTOR
FIGURE 19. GATE CHARGE TEST CIRCUIT
VDD
Qgs
Qg(TOT)
Qgd
VGS
VDS
0
IG(REF)
0
FIGURE 20. GATE CHARGE WAVEFORMS
5-7
 

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