LT3470A ABSOLUTE MAXIMUM RATINGSPIN CONFIGURATION(Note 1) VIN, SHDN Voltage ... 40V TOP VIEW BOOST Pin Voltage .. 47V BOOST Pin Above SW Pin .. 25V FB 1 8 SHDN FB Voltage .. 5V BIAS 2 7 NC 9 BIAS Voltage ...15V BOOST 3 6 VIN SW 4 5 GND SW Voltage ..VIN Maximum Junction Temperature DDB8 PACKAGE LT3470AE, LT3470AI .. 125°C 8-LEAD (3mm × 2mm) PLASTIC DFN θ LT3470AH ... 150°C JA = 80°C/W EXPOSED PAD (PIN 9) IS GND, MUST BE SOLDERED TO PCB Operating Temperature Range (Note 2) LT3470AE ..–40°C to 85°C LT3470AI ... –40°C to 125°C LT3470AH .. –40°C to 150°C Storage Temperature Range .. –65°C to 150°C Lead Temperature (Soldering, 10 sec) ..300°C ORDER INFORMATION LEAD FREE FINISHTAPE AND REELPART MARKING * PACKAGE DESCRIPTIONTEMPERATURE RANGE LT3470AEDDB#TRMPBF LT3470AEDDB#TRPBF LDPR 8-Lead (3mm × 2mm) Plastic DFN –40°C to 85°C LT3470AIDDB#TRMPBF LT3470AIDDB#TRPBF LDPR 8-Lead (3mm × 2mm) Plastic DFN –40°C to 125°C LT3470AHDDB#TRMPBF LT3470AHDDB#TRPBF LDPR 8-Lead (3mm × 2mm) Plastic DFN –40°C to 150°C AUTOMOTIVE PRODUCTS** LT3470AEDDB#WTRMPBF LT3470AEDDB#WTRPBF LDPR 8-Lead (3mm × 2mm) Plastic DFN –40°C to 85°C LT3470AIDDB#WTRMPBF LT3470AIDDB#WTRPBF LDPR 8-Lead (3mm × 2mm) Plastic DFN –40°C to 125°C LT3470AHDDB#WTRMPBF LT3470AHDDB#WTRPBF LDPR 8-Lead (3mm × 2mm) Plastic DFN –40°C to 150°C Contact the factory for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container. Tape and reel specifications. Some packages are available in 500 unit reels through designated sales channels with #TRMPBF suffix. Rev. C 2 For more information www.analog.com Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Pin Configuration Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Typical Applications Package Description Revision History related parts