LTC2956 ABSOLUTE MAXIMUM RATINGS (Note 1) VIN (Note 3) .. –0.3V to 40V Operating Temperature Range: Input Voltages: LTC2956C .. 0°C to 70°C PB ... –40V to 40V LTC2956I ...–40°C to 85°C SLEEP .. –0.3V to 6V Storage Temperature Range: LONG, PERIOD, RANGE, ONMAX ..0.3V to 3.6V QFN Package ... –65°C to 150°C Output Voltages: MSOP Package .. –65°C to 150°C ONALERT, PBOUT, OFFALERT ... –0.3V to 6V Lead Temperature (Soldering, 10 sec): EN/EN .. –0.3V to 40V MSOP Package ...300°C PIN CONFIGURATION TOP VIEW T ALER SLEEP OFF PBOUT TOP VIEW 12 11 10 ONMAX 1 12 ONALERT ONALERT 1 9 *EN/EN LONG 2 11 SLEEP 13 ONMAX 2 RANGE 3 10 OFFALERT GND 8 PB PERIOD 4 9 PBOUT LONG 3 7 GND V 5 IN 8 *EN/EN GND 6 7 PB 4 5 6 MS PACKAGE V IN 12-LEAD PLASTIC MSOP RANGE PERIOD TJMAX = 125°C, θJA = 135°C/W *PIN 8 IS EN FOR LTC2956-1 AND IS EN FOR LTC2956-2 UD PACKAGE 12-LEAD (3mm × 3mm) PLASTIC QFN TJMAX = 125°C, θJA = ~68°C/W EXPOSED PAD (PIN 13) IS GND, PCB CONNECTION OPTIONAL *PIN 9 IS EN FOR LTC2956-1 AND IS EN FOR LTC2956-2 ORDER INFORMATION LEAD FREE FINISHTAPE AND REELPART MARKING*PACKAGE DESCRIPTIONTEMPERATURE RANGE LTC2956CUD-1#PBF LTC2956CUD-1#TRPBF LGNH 12-Lead (3mm × 3mm) Plastic QFN 0°C to 70°C LTC2956CUD-2#PBF LTC2956CUD-2#TRPBF LGTC 12-Lead (3mm × 3mm) Plastic QFN 0°C to 70°C LTC2956IUD-1#PBF LTC2956IUD-1#TRPBF LGNH 12-Lead (3mm × 3mm) Plastic QFN –40°C to 85°C LTC2956IUD-2#PBF LTC2956IUD-2#TRPBF LGTC 12-Lead (3mm × 3mm) Plastic QFN –40°C to 85°C LTC2956CMS-1#PBF LTC2956CMS-1#TRPBF 29561 12-Lead Plastic MSOP 0°C to 70°C LTC2956CMS-2#PBF LTC2956CMS-2#TRPBF 29562 12-Lead Plastic MSOP 0°C to 70°C LTC2956IMS-1#PBF LTC2956IMS-1#TRPBF 29561 12-Lead Plastic MSOP –40°C to 85°C LTC2956IMS-2#PBF LTC2956IMS-2#TRPBF 29562 12-Lead Plastic MSOP –40°C to 85°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 nonstandard 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/ 2956fa 2 For more information www.linear.com/LTC2956