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LTC4012/ LTC4012-1/LTC4012-2
Features
High Efficiency, Multi-Chemistry Battery Charger
with PowerPath Control
Description
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 INFET Low Loss Ideal Diode PowerPath™ Control 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 Shutdown n 20-Pin 4mm × 4mm × 0.