LT3653 - 1.2A, HV Input Regulator with Output Current Limit for Battery Charger Applications

Features
  • Wide Input Range: – Operation from 7.5V to 30V – Overvoltage Lockout Protects Circuit Through 60V Transients
  • Operates with LTC Bat-Track Li-Ion Battery Chargers to Maximize Efficiency
  • No Reverse Discharge Path from VOUT to VIN
  • Programmable Output Current Limit
  • Integrated BOOST Diode
  • Thermal Protection
  • Small Application Size
  • Thermally Enhanced 2mm × 3mm DFN Package
Typical Application

Applications
  • Battery Powered Equipment
  • Portable USB Devices – Cameras, MP3 Players, PDAs
  • Automotive Battery Regulation
  • Multiple-Source Battery Chargers
Packaging
Order Information
Part NumberPackageTempPrice(1-99)Price (1k)*
LT3653EDCB#PBF2x3 DFN-8E$3.57
LT3653EDCB#TRMPBF2x3 DFN-8E$3.57$2.55
LT3653EDCB#TRPBF2x3 DFN-8E$3.57$2.50
LT3653IDCB#PBF2x3 DFN-8I$4.11
LT3653IDCB#TRMPBF2x3 DFN-8I$4.11$2.93
LT3653IDCB#TRPBF2x3 DFN-8I$4.11$2.88
Demo Boards
Part NumberDescriptionPrice
DC1325ALT3653EDCB Demo Board | 1.2A, HV Input Preregulator with Output Current Limit for Battery Charger ApplicationContact Factory
Datasheet
Reliability Data
LT Journal
Press Release
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LT3653 Footprints and Symbols