LTC1515 - Step-Up/Step-Down Switched Capacitor DC/DC Converters with RESET

Features
  • Adjustable/Selectable 3V, 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
  • Very Low Shutdown Current: < 1µA
  • Shutdown Disconnects Load from VIN
  • VOUT Programmable to 3V/5V or 3.3V/5V
  • Short-Circuit and Overtemperature Protected
  • 650kHz Switching Frequency
  • Open-Drain Power-On Reset Output
  • Available in SO-8 Package
Typical Application

Applications
  • SIM Interface in GSM Cellular Telephones
  • Smart Card Readers
  • Local Power Supplies
  • Portable Equipment
Packaging

Order Information
Part NumberPackageTempPrice(1-99)Price (1k)*
LTC1515CS8-3.3/5#PBFSO-8C$4.35$3.50
LTC1515CS8-3.3/5#TRPBFSO-8C$3.56
LTC1515CS8-3/5#PBFSO-8C$4.35$3.50
LTC1515CS8-3/5#TRPBFSO-8C$3.56
LTC1515CS8#PBFSO-8C$4.35$3.50
LTC1515CS8#TRPBFSO-8C$3.56
LTC1515IS8-3.3/5#PBFSO-8I$5.25$4.20
LTC1515IS8-3.3/5#TRPBFSO-8I$4.26
LTC1515IS8-3/5#PBFSO-8I$5.25$4.20
LTC1515IS8-3/5#TRPBFSO-8I$4.26
LTC1515IS8#PBFSO-8I$5.25$4.20
LTC1515IS8#TRPBFSO-8I$4.26
Datasheet
Application Note
Design Note
Reliability Data
LT Journal
Related Product
LTC1515 Series - Step-Up/Step-Down Switched Capacitor DC/DC Converters with RESET
LTC1515 Package Drawing LTC1515
AN84 - Linear Technology Magazine Circuit Collection, Volume IV
DN189 - Step-Up/Step-Down DC/DC Conversion Without Inductors
R368 Reliability Data
May 1998 Battery-Powered Buck-Boost Converter Requires No Magnetics
LTC1515 Footprints and Symbols