Features- Fast Charging of Li-Ion, NiMH and NiCd Batteries
- Simple Charge Current Programming Requires Only One Low Cost, 1/32W Resistor
- High Efficiency Charger with Up to 1.5A Charge Current
- Precision 0.6% Internal Voltage Reference
- Preset Battery Voltages: 4.1V, 4.2V, 8.2V, 8.4V
- 500kHz or 200kHz Switching Frequency Minimizes Charger Size
- Low Reverse Battery Drain Current: 5µA
- Flag Indicates Li-Ion Charge Completion
- 5% Typical Charge Current Accuracy
- Low Shutdown Current
- LT1571-1: 200kHz, Adjustable Voltage
- LT1571-2: 200kHz, Fixed 8.2V or 8.4V
- LT1571-5: 500kHz, Fixed 4.1V or 4.2V
Typical Application![LT1571 Typical Application](/image/linear/4575.png) | Applications- Cellular Phones, PDAs, Notebook Computers, Portable Instruments
- Cradle Chargers for Li-Ion, NiCd, NiMH and Lead-Acid Rechargeable Batteries
Packaging![LT1571 Package Drawing](/image/linear/4576.png)
![LT1571 Package Drawing](/image/linear/4577.png)
![LT1571 Package Drawing](/image/linear/4578.png) |