LT3483/LT3483A ABSOLUTE MAXIMUM RATINGS(Note 1) VIN Voltage ... 16V Operating Ambient Temperature Range (Note 2) SW Voltage .. 40V LT3483E/LT3483AE ..–40°C to 85°C D Voltage ... –40V LT3483I/LT3483AI ..–40°C to 125°C FB Voltage ... 2.5V Junction Temperature ... 125°C SHDN Voltage .. 16V Storage Temperature Range .. –65°C to 150°C Lead Temperature (Soldering, 10 sec) (TSOT-23 Package Only) .. 300°C PIN CONFIGURATION TOP VIEW TOP VIEW FB 1 8 SHDN GND 2 7 D SW 1 6 VIN 9 GND 3 6 NC GND 2 5 D SW 4 5 V FB 3 4 SHDN IN S6 PACKAGE DC PACKAGE 6-LEAD PLASTIC TSOT-23 8-LEAD (2mm × 2mm) PLASTIC DFN T T JMAX = 125°C, θJA = 192°C/W JMAX = 125°C, θJA = 88.5°C/W EXPOSED PAD (PIN 9) IS GND ORDER INFORMATION LEAD FREE FINISHTAPE AND REELPART MARKING*PACKAGE DESCRIPTIONTEMPERATURE RANGE LT3483EDC#PBF LT3483EDC#TRPBF LCYT 8-Lead (2mm 2mm) Plastic DFN –40°C to 85°C LT3483ES6#PBF LT3483ES6#TRPBF LTBKX 6-Lead Plastic TSOT-23 –40°C to 85°C LT3483AEDC#PBF LT3483AEDC#TRPBF LFXD 8-Lead (2mm 2mm) Plastic DFN –40°C to 85°C LT3483IDC#PBF LT3483IDC#TRPBF LCYT 8-Lead (2mm 2mm) Plastic DFN –40°C to 125°C LT3483IS6#PBF LT3483IS6#TRPBF LTBKX 6-Lead Plastic TSOT-23 –40°C to 125°C LT3483AIDC#PBF LT3483AIDC#TRPBF LFXD 8-Lead (2mm 2mm) Plastic DFN –40°C to 125°C LEAD BASED FINISHTAPE AND REELPART MARKINGPACKAGE DESCRIPTIONTEMPERATURE RANGE LT3483EDC LT3483EDC#TR LCYT 8-Lead (2mm 2mm) Plastic DFN –40°C to 85°C LT3483ES6 LT3483ES6#TR LTBKX 6-Lead Plastic TSOT-23 –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 non-standard 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/ 3483fc 2 Document Outline Features Description Applications Typical Application Absolute Maximum Ratings Pin Configuration order information Electrical Characteristics Typical Performance Characteristics pin functions block diagram operation applications information typical applications Package Description Revision History Typical Application Related Parts