BD9483F Datasheet - Rohm

BD9483F White LED Driver

BD9483F,FV is a high efficiency driver for white LEDs and designed for large LCDs. This IC is built-in 2ch boost DCDC converters that employ an array of LEDs as the light source. BD9483F,FV has some protect function against fault conditions, such as the over-voltage protection (OVP), the over curren.

BD9483F Features

* 2ch boost DCDC converter with current mode

* LED protection circuit (Max duty protection, LED OCP protection)

* Over-voltage protection (OVP) for the output voltage Vout

* Adjustable soft start

* The wide range of analog dimming 0.2V-3.0V

* 2ch independent PWM dimming input

BD9483F-Rohm.pdf