T6309B Description
The T6309B is a step-up DC/DC converter that drives LED with a constant current. The device can driver up to 3 series LEDs from a single-cell Li-Ion battery. Series connection of the LEDs provides constant LED current that results in uniform brightness.
T6309B Key Features
- Matched LED Current with Overvoltage .. Protection
- Drives LEDs in series
- Up to 85% Efficiency
- Low 400mV Feedback Reference, Optional 1.19V Feedback Reference
- Internal Current Limit 250mA
- Under Voltage Lock Out Circuits
- 0.1uA Low Shutdown Supply Current
- 6-pin SOT-23 Package
- ESD Human Body Mode Over 5KV