LTC3636/LTC3636-1 ABSOLUTE MAXIMUM RATINGSPIN CONFIGURATION(Note 1) VIN1, VIN2 ... –0.3V to 22V TOP VIEW PGOOD1, PGOOD2 ... –0.3V to 22V BOOST1-SW1, BOOST2-SW2 .. –0.3V to 3.6V TRACKSS1, TRACKSS2 .. –0.3V to 3.6V V FB1 PGOOD1 TRACKSS1 GND SW1 BOOST1 ITH1, ITH2, RT, MODE/SYNC ..–0.3V to INTV 28 27 26 25 24 23 CC + 0.3V ITH1 1 22 V V 33 IN1 FB1, VFB2, TMON. ..–0.3V to INTVCC + 0.3V RUN1 2 SW1T 21 VIN1 RUN1, RUN2 .. –0.3V to 22V MODE/SYNC 3 30 20 SW1 Operating Junction Temperature Range RT 4 GNDT 19 GND 32 (Notes 3, 4) .. –40°C to 125°C INTVCC 5 18 GND 29 GNDT Storage Temperature Range .. –65°C to 150°C TMON 6 INTV 17 CCT SW2 31 34 RUN2 7 GNDT 16 V SW2T IN2 ITH2 8 15 VIN2 9 10 11 12 13 14 V FB2 GND SW2 PGOOD2 BOOST2 TRACKSS2 UFD PACKAGE VARIATION: AA 28-LEAD (4mm × 5mm) PLASTIC QFN TJMAX = 125°C, θJA = 21°C/W, θJC = 7°C/W θJA DERIVED FROM 6-LAYER PCB DC2335 DEMO BOARD ORDER INFORMATION LEAD FREE FINISHTAPE AND REELPART MARKING*PACKAGE DESCRIPTIONTEMPERATURE RANGE LTC3636IUFD#PBF LTC3636IUFD#TRPBF 3636 28-Lead (4mm × 5mm) Plastic QFN –40°C to 125°C LTC3636EUFD#PBF LTC3636EUFD#TRPBF 3636 28-Lead (4mm × 5mm) Plastic QFN –40°C to 125°C LTC3636IUFD-1#PBF LTC3636IUFD-1#TRPBF 36361 28-Lead (4mm × 5mm) Plastic QFN –40°C to 125°C LTC3636EUFD-1#PBF LTC3636EUFD-1#TRPBF 36361 28-Lead (4mm × 5mm) Plastic QFN –40°C to 125°C Contact the factory 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. Selection Table PART NUMBERVOUT SENSE RANGE LTC3636 0.6V to 5V LTC3636-1 1.8V to 12V Rev. C 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 Typical Applications Package Description Revision History Typical Application Related Parts