LTC1514 - Step-Up/Step-Down Switched Capacitor DC/DC Converters with Low-Battery Comparator

Features
  • 3.3V or 5V Output Voltages
  • 2V to 10V Input Voltage Range
  • Up to 50mA Output Current
  • Only Three External Capacitors Required
  • Soft Start Limits Inrush Current at Turn-On
  • Low Operating Current: 60µA
  • Low Shutdown Current: 10µA
  • Shutdown Disconnects Load from VIN
  • Short-Circuit and Overtemperature Protected
  • 650kHz Switching Frequency
  • Low-Battery Comparator Active in Shutdown
  • Available in SO-8 Package
Typical Application

Applications
  • Battery Operated Equipment
  • Smart Card Readers
  • Local Power Supplies
  • Handheld Instruments
  • Battery Backup Supplies
Packaging
Order Information
Part NumberPackageTempPrice(1-99)Price (1k)*
LTC1514CS8-3.3#PBFSO-8C$4.35$3.50
LTC1514CS8-3.3#TRPBFSO-8C$3.56
LTC1514CS8-5#PBFSO-8C$4.35$3.50
LTC1514CS8-5#TRPBFSO-8C$3.56
LTC1514IS8-3.3#PBFSO-8I$5.25$3.50
LTC1514IS8-3.3#TRPBFSO-8I$3.56
LTC1514IS8-5#PBFSO-8I$5.25$3.50
LTC1514IS8-5#TRPBFSO-8I$3.56
Datasheet
Application Note
Design Note
Reliability Data
Related Product
LTC1514-3.3/LTC1514-5 - Step-Up/Step-Down Switched Capacitor DC/DC Converters with Low-Battery Comparator
AN84 - Linear Technology Magazine Circuit Collection, Volume IV
DN189 - Step-Up/Step-Down DC/DC Conversion Without Inductors
R368 Reliability Data
LTC1514 Footprints and Symbols