LP3943 Datasheet (National Semiconductor) - RGB/White/Blue 16-LED Fun Light Driver

LP3943, RGB/White/Blue 16-LED Fun Light Driver

LP3943 is an integrated device capable of independently driving 16 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 L

LP3943 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 16 LED driver (multiple programmable states

* on, off, input, and dimming at a specified rate) n 16 Open drain outputs capab