IRF6644PBF_15 Datasheet, PDF (6/10 Pages) International Rectifier – Optimized for Synchronous Rectification

IRF6644PbF
L
VCC
DUT
0
1K
S
Fig 15a. Gate Charge Test Circuit
Id
Vds
Vgs
Vgs(th)
Qgs1 Qgs2 Qgd
Qgodr
Fig 15b. Gate Charge Waveform
15V
VDS
L
RG
2^V0GVS
tp
D.U.T
I_AS
0.01Ω
DRIVER
+
- ^VDD
A
Fig 16b. Unclamped Inductive Test Circuit
V_(BR)DSS
tp
I_AS
Fig 16c. Unclamped Inductive Waveforms
V_DS
V_GS
R_G
10V
Pulse Width ≤ 1 µs
Duty Factor ≤ 0.1 %
R_D
D.U.T.
+
-
V_DD
Fig 17a. Switching Time Test Circuit
6
V_DS
90%
10%
V_GS
t_{d(on) tr}
t_{d(off) tf}
Fig 17b. Switching Time Waveforms
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