LTC3867 ABSOLUTE MAXIMUM RATINGSPIN CONFIGURATION(Note 1) VIN Voltage ..–0.3V to 40V TOP VIEW BST Voltage ...–0.3V to 46V SW Voltage...–5V to 40V (BST-SW) Voltage ...–0.3V to 6V FREQ MODE/PLLIN PGOOD BST TG SW 24 23 22 21 20 19 RUN, PGOOD, EXTVCC, INTVCC Voltage ...–0.3V to 6V RUN 1 18 PGND SENSE+, SENSE– ...–0.3V to 15V DIFF+ 2 17 BG INTVCC Peak Output Current ...100mA DIFF– 3 25 16 INTVCC DIFF– ..–0.3V to INTVCC DIFFOUT 4 SGND 15 VIN All Other Pin Voltages Except TG, BG ..–0.3V to INTVCC VFB 5 14 EXTVCC Operating Junction Temperature Range ...–40°C to 125°C ITH 6 13 ITEMP Storage Temperature Range .. –65°C to 150°C 7 8 9 10 11 12 + – I LIM IFAST TK/SS ITSD SENSE SENSE UF PACKAGE 24-LEAD (4mm × 4mm) PLASTIC QFN TJMAX = 125°C, θJA = 47°C/W, θJC = 4.5°C/W EXPOSED PAD (PIN 25) IS SGND, MUST BE SOLDERED TO PCB ORDER INFORMATION LEAD FREE FINISHTAPE AND REELPART MARKING*PACKAGE DESCRIPTIONTEMPERATURE RANGE LTC3867EUF#PBF LTC3867EUF#TRPBF 3867 24-Lead (4mm × 4mm) Plastic QFN –40°C to 125°C LTC3867IUF#PBF LTC3867IUF#TRPBF 3867 24-Lead (4mm × 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/ 3867f 2 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Package Description Typical Application Related Parts
