LT3506/LT3506A ABSOLUTE MAXIMUM RATINGS(Note 1) VIN Voltage ... –0.3V to 25V Maximum Junction Temperature .. 125°C BOOST Pin Voltage ...50V Operating Temperature Range (Note 2) BOOST Pin Above SW Pin ...25V E Grade ..–40°C to 85°C PG Pin Voltage ..25V I Grade ... –40°C to 125°C RUN/SS, FB, VC Pins ..5.5V Storage Temperature Range .. –65°C to 125°C PIN CONFIGURATION TOP VIEW TOP VIEW BOOST1 1 16 FB1 BOOST1 1 16 FB1 SW1 2 15 VC1 SW1 2 15 VC1 V 3 14 PG1 IN1 V 3 IN1 14 PG1 V 4 13 RUN/SS1 IN1 V 4 IN1 13 RUN/SS1 17 17 V 5 12 RUN/SS2 IN2 V 5 IN2 12 RUN/SS2 V 6 11 PG2 IN2 V 6 IN2 11 PG2 SW2 7 10 VC2 SW2 7 10 VC2 BOOST2 8 9 FB2 BOOST2 8 9 FB2 DHD PACKAGE FE PACKAGE 16-LEAD PLASTIC DFN 16-LEAD PLASTIC TSSOP NARROW T T JMAX = 125°C, θJA = 43°C/W, θJC = 4.3°C/W JMAX = 125°C, θJA = 45°C/W, θJC = 10°C/W EXPOSED PAD (PIN 17) IS GND MUST BE SOLDERED TO PCB EXPOSED PAD (PIN 17) IS GND MUST BE SOLDERED TO PCB ORDER INFORMATION LEAD FREE FINISHTAPE AND REELPART MARKING*PACKAGE DESCRIPTIONTEMPERATURE RANGE LT3506EDHD#PBF LT3506EDHD#TRPBF 3506 16-Lead (5mm × 4mm) Plastic DFN –40°C to 85°C LT3506AEDHD#PBF LT3506AEDHD#TRPBF 3506A 16-Lead (5mm × 4mm) Plastic DFN –40°C to 85°C LT3506IDHD#PBF LT3506IDHD#TRPBF 3506 16-Lead (5mm × 4mm) Plastic DFN –40°C to 125°C LT3506AIDHD#PBF LT3506AIDHD#TRPBF 3506A 16-Lead (5mm × 4mm) Plastic DFN –40°C to 125°C LT3506EFE#PBF LT3506EFE#TRPBF 3506EFE 16-Lead Plastic TSSOP Narrow –40°C to 85°C LT3506AEFE#PBF LT3506AEFE#TRPBF 3506AEFE 16-Lead Plastic TSSOP Narrow –40°C to 85°C LT3506IFE#PBF LT3506IFE#TRPBF 3506IFE 16-Lead Plastic TSSOP Narrow –40°C to 125°C LT3506AIFE#PBF LT3506AIFE#TRPBF 3506AIEFE 16-Lead Plastic TSSOP Narrow –40°C to 125°C LEAD BASED FINISHTAPE AND REELPART MARKING*PACKAGE DESCRIPTIONTEMPERATURE RANGE LT3506EDHD LT3506EDHD#TR 3506 16-Lead (5mm × 4mm) Plastic DFN –40°C to 85°C LT3506AEDHD LT3506AEDHD#TR 3506A 16-Lead (5mm × 4mm) Plastic DFN –40°C to 85°C LT3506IDHD LT3506IDHD#TR 3506 16-Lead (5mm × 4mm) Plastic DFN –40°C to 125°C LT3506AIDHD LT3506AIDHD#TR 3506A 16-Lead (5mm × 4mm) Plastic DFN –40°C to 125°C LT3506EFE LT3506EFE#TR 3506EFE 16-Lead Plastic TSSOP Narrow –40°C to 85°C LT3506AEFE LT3506AEFE#TR 3506AEFE 16-Lead Plastic TSSOP Narrow –40°C to 85°C LT3506IFE LT3506IFE#TR 3506IFE 16-Lead Plastic TSSOP Narrow –40°C to 125°C LT3506AIFE LT3506AIFE#TR 3506AIEFE 16-Lead Plastic TSSOP Narrow –40°C to 125°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. 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/ 3506afc 2