LTC3626 absoluTe MaxiMuM raTingspin conFiguraTion(Note 1) PV TOP VIEW IN ... –0.3V to 22V SVIN ... –0.3V to 22V BOOST .. –0.3V to 25.6V SW SW PGOOD MODE/SYNC BOOST-SW .. –0.3V to 3.6V 20 19 18 17 INTVCC .. –0.3V to 3.6V BOOST 1 16 PVIN ITH, RT, FB ...–0.3V to INTVCC + 0.3V INTVCC 2 15 PVIN MODE/SYNC ..–0.3V to INTVCC + 0.3V VON 3 21 14 SVIN TRACK/SS, IMON TSET 4 PGND 13 IN, IMONOUT ...–0.3V to INTVCC + 0.3V RUN TSET, TMON ..–0.3V to INTV TMON 5 12 RT CC + 0.3V SW, RUN .. –0.3V to V SGND 6 11 ITH IN + 0.3V PGOOD ... –0.3V to 22V 7 8 9 10 IN V OUT FB ON .. –0.3V to 18V SW Source Current (DC, Note 2) ..2.5A IMON IMON TRACK/SS Operating Junction Temperature Range UDC PACKAGE 20-LEAD (3mm × 4mm) PLASTIC QFN (Notes 3, 4) ... –40°C to 125°C TJMAX = 125°C, θJA = 47°C/W Storage Temperature Range .. –65°C to 150°C EXPOSED PAD (PIN 21) IS PGND, MUST BE SOLDERED TO PCB orDer inForMaTion LEAD FREE FINISHTAPE AND REELPART MARKING*PACKAGE DESCRIPTIONTEMPERATURE RANGE LTC3626EUDC#PBF LTC3626EUDC#TRPBF LGCC 20-Lead (3mm × 4mm) Plastic QFN –40°C to 125°C LTC3626IUDC#PBF LTC3626IUDC#TRPBF LGCC 20-Lead (3mm × 4mm) Plastic QFN –40°C to 125°C Consult LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container. Consult LTC Marketing for information on non-standard lead based finish parts. For more information on lead free part marking, go to: http://www.linear.com/leadfree/ For more information on tape and reel specifications, go to: http://www.linear.com/tapeandreel/ 3626fa 2 For more information www.linear.com/LTC3626 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Pin Configuration Electrical Characteristics Typical Performance Characteristics Pin Functions Functional Diagram Operation Applications Information Typical Applications Package Description Revision History Typical Application Related Parts