LT3500 ABSOLUTE MAXIMUM RATINGS (Note 1) VIN, PG, PG Operating .. 40V/–0.3V Operating Junction Temperature Range SW ...VIN LT3500EDD (Note 2) .. –40°C to 125°C BST .. 55V/–0.3V LT3500IDD (Note 2) ... –40°C to 125°C BST Pin Above SW ..25V LT3500HDD (Note 2).. –40°C to 150°C LDRV, SHDN ..15V LT3500EMSE (Note 2).. –40°C to 125°C FB, LFB, RT/SYNC ...5V LT3500IMSE (Note 3) .. –40°C to 125°C SS, VC ..2.5V LT3500HMSE (Note 2) ... –40°C to 150°C Storage Temperature Range ... –65°C to 150°C PIN CONFIGURATION TOP VIEW TOP VIEW V 1 12 SW IN NC1 1 16 NC16 SHDN 2 11 BST V 2 IN 15 SW SHDN 3 14 BST SS 3 13 10 LDRV SS 4 13 LDRV 17 PG 4 9 LFB PG 5 12 LFB V 6 C 11 FB V 5 8 FB C R 7 T/SYNC 10 PG R PG NC8 8 9 NC9 T/SYNC 6 7 MSE PACKAGE DD PACKAGE 16-LEAD PLASTIC MSE 12-LEAD (3mm × 3mm) PLASTIC DFN θ θ JA = 45°C/W, θJC(PAD) = 10°C/W JA = 45°C/W, θJC(PAD) = 10°C/W EXPOSED PAD (PIN 17) IS GND, MUST BE SOLDERED TO PCB EXPOSED PAD (PIN 13) IS GND, MUST BE SOLDERED TO PCB ORDER INFORMATIONLEAD FREE FINISHTAPE AND REELPART MARKING*PACKAGE DESCRIPTIONTEMPERATURE RANGE LT3500EDD#PBF LT3500EDD#TRPBF LCRN 12-Lead (3mm × 3mm) Plastic DFN –40°C to 125°C LT3500IDD#PBF LT3500IDD#TRPBF LCRN 12-Lead (3mm × 3mm) Plastic DFN –40°C to 125°C LT3500HDD#PBF LT3500HDD#TRPBF LDCY 12-Lead (3mm × 3mm) Plastic DFN –40°C to 150°C LT3500EMSE#PBF LT3500EMSE#TRPBF 3500 16-Lead Plastic MSE –40°C to 125°C LT3500IMSE#PBF LT3500IMSE#TRPBF 3500 16-Lead Plastic MSE –40°C to 125°C LT3500HMSE#PBF LT3500HMSE#TRPBF 3500 16-Lead Plastic MSE –40°C to 150°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/ 3500fc 2