Datasheet Analog Devices LTC3871 — Datenblatt

LTC3871/LTC3871-1
Bidirectional PolyPhase
Synchronous Buck or Boost Controller
FEATURES DESCRIPTION Unique Architecture Allows Dynamic Regulation of
Input Voltage, Output Voltage or Current
nn V
HIGH Voltages Up to 100V
nn V
LOW Voltages Up to 30V
nn Synchronous Rectification: Up to 97% Efficiency
nn ADI-Proprietary Advanced Current Mode Control
nn ±1% Voltage Regulation Accuracy Over Temperature
nn Accurate, Programmable Output Current Monitoring
and Regulation for Both Buck and Boost Operation
nn Selectable Buck and Boost Current Sense Limits
nn Programmable DRV /EXTV
CC
CC Optimizes Efficiency
nn Programmable V
UV
and
OV Thresholds
HIGH …

LTC3871
Bidirectional PolyPhaseВ®
Synchronous Buck or Boost Controller
FEATURES DESCRIPTION Unique Architecture Allows Dynamic Regulation of
Input Voltage, Output Voltage or Current
nn V
HIGH Voltages Up to 100V
nn V
LOW Voltages Up to 30V
nn Synchronous Rectification: Up to 97% Efficiency
nn LTC-Proprietary Advanced Current Mode Control
nn В±1% Voltage Regulation Accuracy Over Temperature
nn Accurate, Programmable Output Current Monitoring
and Regulation for Both Buck and Boost Operation
nn Selectable Buck and Boost Current Sense Limits
nn Programmable DRV /EXTV
CC
CC Optimizes Efficiency
nn Programmable V
HIGH UV and OV Thresholds
nn Programmable V
LOW OV Threshold
nn Phase-Lockable Frequency: 60kHz to 460kHz …