PD - 95609 IRFI9540GPbF • Lead-Free www.irf.com 1 7/29/03 IRFI9540GPbF 2 www.irf.com IRFI9540GPbF www.irf.com 3 IRFI9540GPbF 4 www.irf.com IRFI9540GPbF www.irf.com 5 IRFI9540GPbF 6 www.irf.com IRFI9540GPbF Peak Diode Recovery dv/dt Test Circuit + Circuit Layout Considerations • Low Stray Inductance • Ground Plane • Low Leakage Inductance Current Transformer + - - + • dv/dt controlled by RG • ISD controlled by Duty Factor "D" • D.U.T. - Device Under Test + - * Reverse Polarity for P-Channel ** Use P-Channel Driver for P-Channel Measurements Driver Gate Drive P.W. Period D= P.W. Period VGS=10V D.U.T. ISD Waveform Reverse Recovery Current Body Diode Forward Current di/dt D.U.T. VDS Waveform Diode Recovery dv/dt Re-Applied Voltage Body Diode VDD Forward Drop Inductor Curent Ripple ≤ 5% ISD *** VGS = 5.0V for Logic Level and 3V Drive Devices Fig. 14 For N and P Channel HEXFETS www.irf.com 7 IRFI9540GPbF TO-220 Full-Pak Package Outline Dimensions are shown in millimeters (inches) TO-220 Full-Pak Part Marking Information E X AM P L E : T H IS IS AN IR F I8 4 0 G W IT H AS S E M B L Y L O T CO D E 3 4 3 2 AS S E M B L E D O N W W 2 4 1 9 9 9 IN T H E AS S E M B L Y L IN E "K " Note: "P" in assembly line position indicates "Lead-Free" IN T E R N AT IO N AL R E C T IF IE R L OGO AS S E M B L Y L OT CODE P AR T N U M B E R IR F I8 4 0 G 924K 34 32 D AT E C O D E Y E AR 9 = 1 9 9 9 W E E K 24 L IN E K Data and specifications subject to change without notice. IR WORLD HEADQUARTERS: 233 Kansas St., El Segundo, California 90245, USA Tel: (310) 252-7105 TAC Fax: (310) 252-7903 Visit us at www.irf.com for sales contact information.07/04 8 www.irf.com