Datasheet Details
| Part number | LTC4009 |
|---|---|
| Manufacturer | Linear Technology (now Analog Devices) |
| File Size | 356.03 KB |
| Description | Multi-Chemistry Battery Charger |
| Datasheet |
 LTC4009 Datasheet
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General Description
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.
Key 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.