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| IRF7749L2PBF Datasheet, PDF (7/11 Pages) International Rectifier – RoHS Compliant, Halogen Free | |||
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L
VCC
DUT
0
210K
S
Fig 18a. Gate Charge Test Circuit
IRF7749L2TR/TR1PbF
Id
Vds
Vgs
Vgs(th)
Qgodr
Qgd Qgs2 Qgs1
Fig 18b. Gate Charge Waveform
15V
VDS
L
VRGGS
20V
tp
D.U.T
IAS
0.01Ω
DRIVER
+
-
VDD
A
Fig 19a. Unclamped Inductive Test Circuit
V(BR)DSS
tp
IAS
Fig 19b. Unclamped Inductive Waveforms
VDS
VGS
RG
V1G0SV
Pulse Width ⤠1 µs
Duty Factor ⤠0.1 %
RD
D.U.T.
+
-
VDD
Fig 20a. Switching Time Test Circuit
www.irf.com
VDS
90%
10%
VGS
td(on) tr
td(off) tf
Fig 20b. Switching Time Waveforms
7
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