BD94121F Datasheet - ROHM

BD94121F White LED Driver

BD94121F is a current resonance type LED Driver with frequency-controlled LED current. It can connect to PFC directly and can use half-bridge structure reducing the number of external components. It incorporates some protection functions against fault conditions such as Over-Voltage Protection, LED .

BD94121F Features

* 20V High Rating Process

* 1 Channel Push-pull Control

* Current and Voltage Feedback by Driving Frequency

* Adjustable Soft Start

* Adjustable Timer Latch

* Under-Voltage Detection for IC’s Power Line

* Output Over-Voltage Protection

* Output Error Signal from FAIL

BD94121F-ROHM.pdf