Datasheet IRF4905PbF (International Rectifier) - 7

IRF4905PbF
Peak Diode Recovery dv/dt Test Circuit
+
D.U.T
* Circuit Layout Considerations • Low Stray Inductance • Ground Plane • Low Leakage Inductance Current Transformer - + - + - RG • dv/dt controlled by RG + • ISD controlled by Duty Factor "D" - VDD • D.U.T. - Device Under Test VGS * Reverse Polarity of D.U.T for P-Channel Driver Gate Drive P.W. Period D = P.W. Period VGS=10V [ ] *** D.U.T. ISD Waveform Reverse Recovery Body Diode Forward Current Current di/dt D.U.T. VDS Waveform Diode Recovery dv/dt V [ DD ] Re-Applied Voltage Body Diode Forward Drop Inductor Curent Ripple ≤ 5% [ISD ] *** VGS = 5.0V for Logic Level and 3V Drive Devices
Fig 14.
For P-Channel HEXFETS