LTC4314 ABSOLUTE MAXIMUM RATINGS (Notes 1, 2) Supply Voltages Output DC Sink Currents VCC, VCC2 ... –0.3V to 6V FAULT ...50mA Input Voltages Operating Ambient Temperature Range ACC, DISCEN, ENABLE1-4 ... –0.3V to 6V LTC4314C .. 0°C to 70°C Input/Output Voltages LTC4314I.. –40°C to 85°C SDAIN, SCLIN, SCLOUT1-4, Storage Temperature Range .. –65°C to 150°C SDAOUT1-4, FAULT ... –0.3V to 6V Lead Temperature (Soldering, 10 sec) SSOP ... 300°C PIN CONFIGURATION TOP VIEW TOP VIEW CCV DISCEN ACC GND DISCEN 1 20 ACC 20 19 18 17 V 2 CC 19 GND SCLOUT1 1 16 SDAOUT4 SCLOUT1 3 18 SDAOUT4 SDAOUT1 2 15 SCLOUT4 SDAOUT1 4 17 SCLOUT4 SDAIN 3 14 VCC2 21 SDAIN 5 16 VCC2 SCLIN 4 13 FAULT SCLIN 6 15 FAULT SCLOUT2 5 12 SDAOUT3 SCLOUT2 7 14 SDAOUT3 SDAOUT2 6 11 SCLOUT3 SDAOUT2 8 13 SCLOUT3 7 8 9 10 ENABLE4 9 12 ENABLE1 ENABLE3 10 11 ENABLE2 ENABLE4 ENABLE 3 ENABLE2 ENABLE1 GN PACKAGE UDC PACKAGE 20-LEAD PLASTIC SSOP 20-LEAD (3mm s 4mm) PLASTIC QFN TJMAX = 150°C, θJA = 90°C/W, θJC = 30°C/W TJMAX = 150°C, θJA = 68°C/W, θJC = 4.2°C/W EXPOSED PAD (PIN 21) PCB CONNECTION TO GND IS OPTIONAL ORDER INFORMATIONLEAD FREE FINISHTAPE AND REELPART MARKING*PACKAGE DESCRIPTIONTEMPERATURE RANGE LTC4314IUDC#PBF LTC4314IUDC#TRPBF LFMR 20-Lead (3mm × 4mm) QFN –40°C to 85°C LTC4314IGN#PBF LTC4314IGN#TRPBF LTC4314GN 20-Lead Plastic SSOP –40°C to 85°C LTC4314CUDC#PBF LTC4314CUDC#TRPBF LFMR 20-Lead (3mm × 4mm) QFN 0°C to 70°C LTC4314CGN#PBF LTC4314CGN#TRPBF LTC4314GN 20-Lead Plastic SSOP 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/ 4314f 2