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IRFR-120 Datasheet, PDF (7/11 Pages) Vishay Siliconix – Power MOSFET
www.vishay.com
D.U.T.
+
-
IRFR120, IRFU120, SiHFR120, SiHFU120
Vishay Siliconix
Peak Diode Recovery dV/dt Test Circuit
+
Circuit layout considerations
• Low stray inductance
• Ground plane
• Low leakage inductance
current transformer
-
-
+
Rg
• dV/dt controlled by Rg
+
• Driver same type as D.U.T.
• ISD controlled by duty factor “D”
- VDD
• D.U.T. - device under test
Driver gate drive
P.W.
Period
D=
P.W.
Period
VGS = 10 Va
D.U.T. lSD waveform
Reverse
recovery
current
Body diode forward
current
dI/dt
D.U.T. VDS waveform
Diode recovery
dV/dt
VDD
Re-applied
voltage
Body diode forward drop
Inductor current
Ripple ≤ 5 %
ISD
Note
a. VGS = 5 V for logic level devices
Fig. 14 - For N-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?91266.
S13-0171-Rev. C, 04-Feb-13
7
Document Number: 91266
For technical questions, contact: hvm@vishay.com
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000