LTC1771 - 10µA Quiescent Current High Efficiency Step-Down DC/DC Controller

Features
  • Very Low Standby Current: 10µA
  • Available in Space-Saving 8-Lead MSOP Package
  • Output Currents: Up to 5A
  • Wide VIN Range: 2.8V to 20V Operation
  • VOUT Range: 1.23V to 18V
  • High Efficiency: Over 93% Possible
  • ±2% Output Accuracy
  • Very Low Dropout Operation: 100% Duty Cycle
  • Current Mode Operation for Excellent Line and Load Transient Response
  • Defeatable Burst Mode™ Operation
  • Short-Circuit Protected
  • Optional Programmable Soft-Start
  • Micropower Shutdown: IQ = 2µA
Typical Application

Applications
  • Cellular Telephones and Wireless Modems
  • 1- to 4-Cell Lithium-Ion-Powered Applications
  • Portable Instruments
  • Battery-Powered Equipment
  • Battery Chargers
  • Scanners
Packaging

Order Information
Part NumberPackageTempPrice(1-99)Price (1k)*
LTC1771EMS8#PBFMS-8E$3.25$2.75
LTC1771EMS8#TRPBFMS-8E$2.81
LTC1771ES8#PBFSO-8E$3.14$2.65
LTC1771ES8#TRPBFSO-8E$2.71
LTC1771IS8#PBFSO-8I$3.25$2.75
LTC1771IS8#TRPBFSO-8I$2.81
Datasheet
Design Note
Reliability Data
LT Journal
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LTC1771 Footprints and Symbols