LTC4120/LTC4120-4.2 ABSOLUTE MAXIMUM RATINGS (Note 1) IN, RUN, CHRG, FAULT, DHC .. –0.3V to 43V IDHC ... 350mARMS BOOST ... VSW – 0.3V to (VSW + 6V) ICHRG, IFAULT, IFBG ..±5mA SW (DC) .. –0.3V to (VIN + 0.3V) IFB ...±5mA SW (Pulsed <100ns) ..–1.5V to (VIN + 1.5V) IINTVCC .. –5mA CHGSNS, BAT, FBG, FB ...–0.3V to 12V Operating Junction Temperature Range FREQ, NTC, PROG, INTVCC .. –0.3V to 6V (Note 2) .. –40°C to 125°C ICHGSNS, IBAT ... ±600mA Storage Temperature Range .. –65°C to 150°C PIN CONFIGURATION LTC4120 LTC4120-4.2 TOP VIEW TOP VIEW RUN FAULT CHRG PROG RUN FAULT CHRG PROG 16 15 14 13 16 15 14 13 INTVCC 1 12NTC INTVCC 1 12 NTC BOOST 2 17 11FBG BOOST 2 17 11 NC GND IN 3 10 FB GND IN 3 10 BATSNS SW 4 9 BAT SW 4 9 BAT 5 6 7 8 5 6 7 8 GND DHC FREQ GND DHC FREQ CHGSNS CHGSNS UD PACKAGE UD PACKAGE 16-LEAD (3mm × 3mm) PLASTIC QFN 16-LEAD (3mm × 3mm) PLASTIC QFN TJMAX = 125°C, θJA = 54°C/W TJMAX = 125°C, θJA = 54°C/W EXPOSED PAD (PIN 17) IS GND, MUST BE SOLDERED TO PCB TO OBTAIN θJA EXPOSED PAD (PIN 17) IS GND, MUST BE SOLDERED TO PCB TO OBTAIN θJA ORDER INFORMATIONLEAD FREE FINISHTAPE AND REELPART MARKING*PACKAGE DESCRIPTIONTEMPERATURE RANGE LTC4120EUD#PBF LTC4120EUD#TRPBF LGHB 16-Lead (3mm × 3mm) Plastic QFN –40°C to 125°C LTC4120IUD#PBF LTC4120IUD#TRPBF LGHB 16-Lead (3mm × 3mm) Plastic QFN –40°C to 125°C LTC4120EUD-4.2#PBF LTC4120EUD-4.2#TRPBF LGMT 16-Lead (3mm × 3mm) Plastic QFN –40°C to 125°C LTC4120IUD-4.2#PBF LTC4120IUD-4.2#TRPBF LGMT 16-Lead (3mm × 3mm) 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. LTC4120 OPTIONSFLOAT VOLTAGE LTC4120 Programmable LTC4120-4.2 4.2V Fixed Rev. G 2 For more information www.analog.com Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Test Circuit Operation Applications Information Package Description Revision History Typical Application Related Parts