LTC1503 - High Efficiency Inductorless Step-Down DC/DC Converter

Features
  • Input Voltage Range: 2.4V to 6V
  • Fixed Output Voltages: 1.8V ±4%, 2V ±4%
  • Output Current: 100mA
  • No Inductors
  • Typical Efficiency 25% Higher than LDOs
  • Low Operating Current: 25µA
  • Low Shutdown Current: 5µA
  • 600kHz Switching Frequency
  • Shutdown Disconnects Load from VIN
  • Soft-Start Limits Inrush Current at Turn-On
  • Short-Circuit and Overtemperature Protected
  • Available in 8-Pin MSOP and SO Packages
Typical Application

Applications
  • Cellular Phones
  • Handheld Computers
  • Smart Card Readers
  • Low Power DSP Supplies
  • Portable Electronic Equipment
  • Handheld Medical Instruments
Packaging

Order Information
Part NumberPackageTempPrice(1-99)Price (1k)*
LTC1503CMS8-1.8#PBFMS-8C$2.20$1.90
LTC1503CMS8-1.8#TRPBFMS-8C$1.96
LTC1503CMS8-2#PBFMS-8C$2.20$1.90
LTC1503CS8-1.8#PBFSO-8C$2.00$1.70
LTC1503CS8-1.8#TRPBFSO-8C$1.76
LTC1503CS8-2#PBFSO-8C$2.00$1.70
LTC1503CS8-2#TRPBFSO-8C$1.76
LTC1503IS8-1.8#PBFSO-8I$2.45$2.05
LTC1503IS8-1.8#TRPBFSO-8I$2.11
LTC1503IS8-2#PBFSO-8I$2.45$2.05
LTC1503IS8-2#TRPBFSO-8I$2.11
Demo Boards
Part NumberDescriptionPrice
DC250A-ALTC1503CMS8-2 | High Efficiency Inductorless Step-Down DC/DC Converter, 2.4 to 6Vin, 2Vout @ 100mA$100.00
DC250A-BLTC1503CMS8-1.8 | High Efficiency Inductorless Step-Down DC/DC Converter, 2.4 to 6Vin, 1.8Vout @ 100mA$100.00
Datasheet
Reliability Data
Related Product
LTC1503-1.8/LTC1503-2 - High Efficiency Inductorless Step-Down DC/DC Converter
LTC1503 Package Drawing LTC1503
R402 Reliability Data
LTC1503 Footprints and Symbols