IRLZ44www.vishay.com Vishay Siliconix
Peak Diode Recovery dV/dt Test Circuit+ Circuit layout considerations
D.U.T.• Low stray inductance • Ground plane • Low leakage inductance current transformer - + - + - Rg • dV/dt controlled by R + g • Driver same type as D.U.T. V - DD • ISD controlled by duty factor “D” • D.U.T. - device under test 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 Ripple ≤ 5 % ISD
Notea. V = 5 V for logic level devices GS
Fig. 11 - For N-ChannelVishay 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?91328. S21-1045-Rev. D, 25-Oct-2021
7Document Number: 91328 For technical questions, contact:
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