PD - 95078A IRFR420PbF IRFU420PbF • Lead-Free www.irf.com 1 1/7/05 IRFR/U420PbF 2 www.irf.com IRFR/U420PbF www.irf.com 3 IRFR/U420PbF 4 www.irf.com IRFR/U420PbF www.irf.com 5 IRFR/U420PbF 6 www.irf.com IRFR/U420PbF 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. D= Period 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 Channel HEXFETS www.irf.com 7 IRFR/U420PbF D-Pak (TO-252AA) Package Outline Dimensions are shown in millimeters (inches) D-Pak (TO-252AA) Part Marking Information EXAMPLE: THIS IS AN IRFR120 WITH ASSEMBLY LOT CODE 1234 ASSEMBLED ON WW 16, 1999 IN THE ASSEMBLY LINE "A" PART NUMBER INT ERNATIONAL RECTIFIER LOGO Note: "P" in ass embly line position indicates "Lead-F ree" IRFU120 12 916A 34 ASS EMBLY LOT CODE DAT E CODE YEAR 9 = 1999 WEEK 16 LINE A OR PART NUMBER INT ERNATIONAL RECTIFIER LOGO IRFU120 12 ASSEMBLY LOT CODE 8 34 DATE CODE P = DESIGNAT ES LEAD-FREE PRODUCT (OPTIONAL) YEAR 9 = 1999 WEEK 16 A = ASS EMBLY SITE CODE www.irf.com IRFR/U420PbF I-Pak (TO-251AA) Package Outline Dimensions are shown in millimeters (inches) I-Pak (TO-251AA) Part Marking Information EXAMPLE: THIS IS AN IRF U120 WITH ASSEMBLY LOT CODE 5678 ASSEMBLED ON WW 19, 1999 IN THE ASSEMBLY LINE "A" PART NUMBER INT ERNAT IONAL RECT IFIER LOGO IRFU120 919A 56 78 ASSEMBLY LOT CODE Note: "P" in as s embly line pos ition indicates "Lead-Free" DAT E CODE YEAR 9 = 1999 WEEK 19 LINE A OR PART NUMBE R INT ERNAT IONAL RECTIF IER LOGO IRFU120 56 AS SEMBLY LOT CODE www.irf.com 78 DATE CODE P = DES IGNAT ES LEAD-F REE PRODUCT (OPTIONAL) YEAR 9 = 1999 WE EK 19 A = ASS EMBLY SIT E CODE 9 IRFR/U420PbF D-Pak (TO-252AA) Tape & Reel Information Dimensions are shown in millimeters (inches) TR TRR 16.3 ( .641 ) 15.7 ( .619 ) 12.1 ( .476 ) 11.9 ( .469 ) FEED DIRECTION TRL 16.3 ( .641 ) 15.7 ( .619 ) 8.1 ( .318 ) 7.9 ( .312 ) FEED DIRECTION NOTES : 1. CONTROLLING DIMENSION : MILLIMETER. 2. ALL DIMENSIONS ARE SHOWN IN MILLIMETERS ( INCHES ). 3. OUTLINE CONFORMS TO EIA-481 & EIA-541. 13 INCH 16 mm NOTES : 1. OUTLINE CONFORMS TO EIA-481. 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.01/05 10 www.irf.com