General Description

The RT9269 is a compact, high efficient LED driver with high flexibility of application configurations in charge pump mode or in boost rectifier mode, delivering Tens of mA constant output current for driving 1~4 white LEDs.

Features

• 0.25V Low Reference Voltage

• 17μA Quiescent (Switch-off) Supply Current

• Zero Shutdown Mode Supply Current

• 85 Efficiency

• 500kHz Fixed Switching Rate

• Tuning LED brightness with EN Pin ON/OFF Duty

• Small SOT-23-6 Package

• RoHS Compliant and 100 Lead (Pb)-Free

Applications

• LED Module

• Hand Held Panel

• Compact Back Light Module

• Small Battery Charger

• Constant Current Source

RT9269属于集成电路（IC） > LED 驱动器。立绮科技制造生产的RT9269LED 驱动器器件属于 LED 驱动器电源管理集成电路 (PMIC) 系列，可通过标称固定电压的电源为负载（通常为发光二极管）提供电流，并且电流可控。它与用于电压调节的类似产品的主要区别在于，这类器件提供较低的反馈电压（以提高系统能效），而且通常可对器件工作点进行外部控制，可在照明应用中用于实现调光功能。