LTC3815 ABSOLUTE MAXIMUM RATINGSPIN CONFIGURATION(Notes 1, 7) VIN, PVIN... –0.3V to 6V TOP VIEW VCC_SENSE, VSS_SENSE, CSLEW, RT, ITH, MODE/SYNC, REF, TRACK/SS, PGFD, PGLIM, ASEL, DA OUT OUT, MARGIN, SGND PGLIM REF FB I TH DA V CC_SENSE RUN_STBY, FB .. –0.3V to (VIN + 0.3V) 38 37 36 35 34 33 32 RUN_MSTR, PGOOD, ALERT, SCL, RT 1 31 VSS_SENSE SDA Voltage ... –0.3V to 6V ASEL 2 30 TRACK/SS WP .. –0.3V to 2.5V MARGIN 3 29 PGOOD Operating Junction Temperature Range WP 4 28 CSLEW ALERT 5 27 RUN_STBY (Notes 2, 3) .. –40°C to 125°C CLKOUT 6 39 26 RUN_MSTR Storage Temperature Range .. –65°C to 125°C PGND SDA 7 24 PGFD SCL 8 24 VIN MODE/SYNC 9 23 SW SW 10 22 SW SW 11 21 SW NC 12 20 NC 13 14 15 16 17 18 19 SW SW IN IN IN PV PV PV SW SW UFE PACKAGE 38-LEAD (4mm × 6mm) PLASTIC QFN TJMAX = 125°C, θJA = 38°C/W EXPOSED PAD (PIN 39) IS PGND, MUST BE SOLDERED TO PCB ORDER INFORMATIONLEAD FREE FINISHTAPE AND REELPART MARKING*PACKAGE DESCRIPTIONTEMPERATURE RANGE LTC3815EUFE#PBF LTC3815EUFE#TRPBF 3815 38-Lead (4mm × 6mm) Plastic QFN –40°C to 125°C LTC3815IUFE#PBF LTC3815IUFE#TRPBF 3815 38-Lead (4mm × 6mm) Plastic QFN –40°C to 125°C Consult ADI Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container. Tape and reel specifications. Some packages are available in 500 unit reels through designated sales channels with #TRMPBF suffix. Rev B 2 For more information www.analog.com Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Pin Configuration Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information PMBus Command Details Typical Applications Package Description Revision History Typical Application Related Parts
