Datasheet Details
Part number:
LTC4009-1, LTC4009
Manufacturer:
Linear Technology
File Size:
356.03 KB
Description:
Multi-chemistry battery charger.
Note:
This datasheet PDF includes multiple part numbers: LTC4009-1, LTC4009.
Please refer to the document for exact specifications by model.
LTC4009-1, LTC4009, Multi-Chemistry Battery Charger
The LTC®4009 is a constant-current/constant-voltage battery charger controller.
It uses a synchronous quasiconstant frequency PWM control architecture that will not generate audible noise with ceramic bulk capacitors.
Charge current is set by the combination of external sense, input and programming
LTC4009-1 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: 6
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