Description
The LTC®4009 is a constant-current/constant-voltage battery charger controller..
Features
- n General Purpose Battery Charger Controller n Efficient 550kHz Synchronous Buck PWM Topology n ±0.5% Output Float Voltage Accuracy n Programmable Charge Current: 4% Accuracy n Programmable AC Adapter Current Limit:
3% Accuracy n No Audible Noise with Ceramic Capacitors n Wide Input Voltage Range: 6V to 28V n Wide Output Voltage Range: 2V to 28V n Indicator Outputs for AC Adapter Present, Charging,
C/10 Current Detection and Input Current Limiting n Analog Charge Current Monitor n Micropower Shu.
