IRFP9240, SiHFP9240 Vishay Siliconix Peak Diode Recovery dV/dt Test CircuitD.U.T. + Circuit layout considerations • Low stray inductance • Ground plane • Low leakage inductance current transformer - + - - + Rg • dV/dt controlled by R + g • I V SD controlled by duty factor “D” - DD • D.U.T. - device under test Note • Compliment N-Channel of D.U.T. for driver Driver gate drive Period P.W. D = P.W. Period V = - 10 Va GS D.U.T. l waveform SD Reverse recovery Body diode forward current current dI/dt D.U.T. V waveform DS Diode recovery dV/dt VDD Re-applied voltage Body diode forward drop Inductor current I Ripple ≤ 5 % SD Note a. V = - 5 V for logic level and - 3 V drive devices GS 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?91239. Document Number: 91239 www.vishay.com S11-0444-Rev. B, 14-Mar-11 7 This datasheet is subject to change without notice. THE PRODUCT DESCRIBED HEREIN AND THIS DATASHEET ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000