LTC4312 ABSOLUTE MAXIMUM RATINGS (Notes 1, 2) Supply Voltage Output DC Sink Currents VCC, VCC2 ... –0.3V to 6V FAULT ...50mA Input Voltages Operating Ambient Temperature Range ACC, DISCEN, ENABLE1-2 ... –0.3V to 6V LTC4312C .. 0°C to 70°C Input/Output Voltages LTC4312I.. –40°C to 85°C SDAIN, SCLIN, SCLOUT1-2, Storage Temperature Range .. –65°C to 150°C SDAOUT1-2, FAULT ... –0.3V to 6V Lead Temperature (Soldering, 10 sec) MSOP .. 300°C PIN CONFIGURATION TOP VIEW TOP VIEW V 1 14 DISCEN CC DISCEN 1 16 ACC SCLOUT1 2 13 ACC V 2 CC 15 GND SDAOUT1 3 12 GND SCLOUT1 3 14 NC SDAIN 4 15 11 VCC2 SDAOUT1 4 13 NC SDAIN 5 12 V SCLIN 5 10 FAULT CC2 SCLIN 6 11 FAULT SCLOUT2 6 9 ENABLE1 SCLOUT2 7 10 ENABLE1 SDAOUT2 7 8 ENABLE2 SDAOUT2 8 9 ENABLE2 MS PACKAGE DE14 PACKAGE 16-LEAD PLASTIC MSOP 14-LEAD (4mm = 3mm) PLASTIC DFN TJMAX = 150°C, θJA = 120°C/W, θJC = 21°C/W TJMAX = 125°C, θJA = 43°C/W, θJC = 5°C/W EXPOSED PAD (PIN #15) PCB CONNECTION TO GND IS OPTIONAL ORDER INFORMATIONLEAD FREE FINISHTAPE AND REELPART MARKING*PACKAGE DESCRIPTIONTEMPERATURE RANGE LTC4312IDE#PBF LTC4312IDE#TRPBF 4312 14-Lead (4mm × 3mm) DFN –40°C to 85°C LTC4312IMS#PBF LTC4312IMS#TRPBF 4312 16-Lead Plastic MSOP –40°C to 85°C LTC4312CDE#PBF LTC4312CDE#TRPBF 4312 14-Lead (4mm × 3mm) DFN 0°C to 70°C LTC4312CMS#PBF LTC4312CMS#TRPBF 4312 16-Lead Plastic MSOP 0°C to 70°C Consult LTC Marketing for parts specifi ed with wider operating temperature ranges. *The temperature grade is identifi ed by a label on the shipping container. Consult LTC Marketing for information on non-standard lead based fi nish parts. For more information on lead free part marking, go to: http://www.linear.com/leadfree/ For more information on tape and reel specifi cations, go to: http://www.linear.com/tapeandreel/ 4312f 2