LTC4008
Description
The LTC®4008 is a constant-current/constant-voltage charger controller. The PWM controller uses a synchronous, quasi-constant frequency, constant off-time architecture that will not generate audible noise even when using ceramic capacitors.
Key Features
- General Purpose Charger Controller
- High Conversion Efficiency: Up to 96%
- Output Currents Exceeding 4A n ±0.8% Voltage Accuracy
- AC Adapter Current Limiting Maximizes Charge Rate*
- Thermistor Input for Temperature Qualified Charging
- Wide Input Voltage Range: 6V to 28V
- Wide Output Voltage: 3V to 28V
- 0.5V Dropout Voltage; Maximum Duty Cycle: 98%
- Programmable Charge Current: ±4% Accuracy
- Indicator Outputs for Charging, C/10 Current Detection, AC Adapter Present, Input Current Limiting and Faults