LTC3331 ABSOLUTE MAXIMUM RATINGSPIN CONFIGURATION(Note 1) VIN TOP VIEW Low Impedance Source ..–0.3 to 19V* Current-Fed, ISW = 0A ..25mA AC1, AC2 ...0 to V OUT2 OUT1 OUT0 EH_ON PGVOUT CHARGE V IN3 SHIP IN 32 31 30 29 28 27 26 25 BB_IN, VOUT, VIN3, BAT_IN, SCAP, PGVOUT, BAL 1 24 FLOAT0 CHARGE, SHIP ..–0.3 to 6V SCAP 2 23 FLOAT1 BAT_OUT ..–0.3V to [Lesser of (BAT_IN + 0.3V) or 6V] VIN2 3 22 LBSEL V UV3 BAT_IN IN2 ..–0.3V to [Lesser of (VIN + 0.3V)] or 6V 4 33 21 CAP ..[Higher of –0.3V or (V GND UV2 5 20 BAT_OUT IN – 6V)] to VIN BAL ..–0.3V to (SCAP + 0.3V) UV1 6 19 IPK2 UV0 7 18 IPK1 OUT[2:0] .. –0.3V to [Lesser of (VIN3 + 0.3V) or 6V] AC1 8 17 IPK0 IPK[2:0] ... –0.3V to [Lesser of (VIN3 + 0.3V) or 6V] 9 10 11 12 13 14 15 16 EH_ON ... –0.3V to [Lesser of (VIN3 + 0.3V) or 6V] FLOAT[1:0] ...–0.3V to [Lesser of (BB_IN + 0.3V) or 6V] AC2 V IN CAP SW V OUT SWB SWA BB_IN LBSEL ...–0.3V to [Lesser of (BB_IN + 0.3V) or 6V] UH PACKAGE 32-LEAD (5mm × 5mm) PLASTIC QFN UV[3:0] .. –0.3V to [Lesser of (V IN2 + 0.3V) or 6V] TJMAX = 125°C, θJA = 44°C/W IAC1, IAC2 ..±50mA EXPOSED PAD (PIN 33) IS GND, MUST BE SOLDERED TO PCB ISWA, ISWB, IVOUT..350mA ISW ...500mA Operating Junction Temperature Range (Notes 2, 3) .. –40°C to 125°C Storage Temperature Range .. –65°C to 150°C *VIN has an internal 20V clamp ORDER INFORMATION LEAD FREE FINISHTAPE AND REELPART MARKING*PACKAGE DESCRIPTIONTEMPERATURE RANGE LTC3331EUH#PBF LTC3331EUH#TRPBF 3331 32-Lead (5mm × 5mm) Plastic QFN –40°C to 85°C LTC3331IUH#PBF LTC3331IUH#TRPBF 3331 32-Lead (5mm × 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. 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/ 3331fc 2 For more information www.linear.com/LTC3331 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 Package Description Revision History Typical Application Related Parts