Part LTC4009-2
Description Multi-Chemistry Battery Charger
Manufacturer Linear Technology
Size 356.03 KB
Linear Technology

LTC4009-2 Overview

Key Features

  • Efficient 550kHz Synchronous Buck PWM Topology n ±0.5% Output Float Voltage Accuracy
  • Programmable Charge Current: 4% Accuracy
  • Programmable AC Adapter Current Limit: 3% Accuracy
  • No Audible Noise with Ceramic Capacitors
  • Wide Input Voltage Range: 6V to 28V
  • Wide Output Voltage Range: 2V to 28V
  • Indicator Outputs for AC Adapter Present, Charging, C/10 Current Detection and Input Current Limiting
  • Analog Charge Current Monitor
  • Micropower Shutdown
  • Thermally Enhanced 20-Pin 4mm × 4mm × 0.75mm QFN Package