LP3944 Datasheet (National Semiconductor) - RGB/White/Blue 8-LED Fun Light Driver

LP3944, RGB/White/Blue 8-LED Fun Light Driver

LP3944 is an integrated device capable of independently driving 8 LEDs.

This device also contains an internal precision oscillator that provides all the necessary timing required for driving each LED.

Two prescaler registers along with two PWM registers provide a versatile duty cycle control.

The LP

LP3944 Features

* n n n n Internal power-on reset Active low reset Internal precision oscillator Variable dim rates (from 6.25 ms to 1.6s; 160 Hz

* 0.625 Hz) Key Specifications n 8 LED driver (multiple programmable states

* on, off, input, and dimming at a specified rate) n 8 Open drain outputs capable