Datasheet

Document Number: 91169 www.vishay.com
S09-0010-Rev. A, 19-Jan-09 7
IRFI9640G, SiHFI9640G
Vishay Siliconix
Fig. 14 - For P-Channel
Vishay Siliconix maintains worldwide manufacturing capability. Products may be manufactured at one of several qualified locations. Reliability data for Silicon
Technology and Package Reliability represent a composite of all qualified locations. For related documents such as package/tape drawings, part marking, and
reliability data, see www.vishay.com/ppg?91169
.
P.W.
Period
dI/dt
Diode recovery
dV/dt
Ripple ≤ 5 %
Body diode forward drop
Re-applied
voltage
Reverse
recovery
current
Body diode forward
current
V
GS
= - 10 V*
V
DD
I
SD
Driver gate drive
D.U.T. I
SD
waveform
D.U.T. V
DS
waveform
Inductor current
D =
P.W.
Period
+
-
-
-
-
+
+
+
* V
GS
= - 5 V for logic level and - 3 V drive devices
Peak Diode Recovery dV/dt Test Circuit
V
DD
• dV/dt controlled by R
G
• I
SD
controlled by duty factor "D"
• D.U.T. - device under test
D.U.T.
Circuit layout considerations
• Low stray inductance
• Ground plane
• Low leakage inductance
current transformer
R
G
Compliment N-Channel of D.U.T. for driver