LTC3636/LTC3636-1 ABSOLUTE MAXIMUM RATINGSPIN CONFIGURATION(Note 1) V TOP VIEW IN1, VIN2 ... –0.3V to 22V PGOOD1, PGOOD2 ... –0.3V to 22V BOOST1-SW1, BOOST2-SW2 ... –0.3V to 3.6V V FB1 PGOOD1 TRACKSS1 GND SW1 BOOST1 TRACKSS1, TRACKSS2 .. –0.3V to 3.6V 28 27 26 25 24 23 ITH1, ITH2, RT, MODE/SYNC ..–0.3V to INTVCC + 0.3V ITH1 1 22 V 33 IN1 V RUN1 2 SW1T 21 V FB1, VFB2, TMON. .. –0.3V to INTVCC + 0.3V IN1 RUN1, RUN2 .. –0.3V to 22V MODE/SYNC 3 30 20 SW1 RT 4 GNDT 19 GND Operating Junction Temperature Range 32 INTVCC 5 18 GND GNDT (Notes 3, 4) .. –40°C to 125°C 29 TMON 6 INTV 17 CCT SW2 Storage Temperature Range ... –65°C to 150°C 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 http://www.linear.com/product/LTC3636#orderinfoLEAD 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 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/. 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 3636fb 2 For more information www.linear.com/LTC3636 Document Outline Description Typical Application Absolute Maximum Ratings Pin Configuration Electrical Characteristics Typical Performance Characteristics Pin Functions Operation Applications Information Package Description Typical Application Related Parts
