Overview

Product Details

Demonstration circuit 1552 showcases the LT8500, a 48-channel PWM generator and serial interface. It operates from a 30V to 45V input power supply and drives 48 channels of LED strings at 30mA and up to 32V each, although it can be adjusted for 50mA per string. The LT8500 drives 48 PWM channels that are tied directly to the PWM inputs of three separate LT3595A 16-channel step-down LED drivers. Each LED Driver can operate up to 45V input and provide up to 50mA LED current per channel.


The input to the LT8500 is a serial interface that can run up to 50MHz. The DC1552A has both an input and output connector and can be cascaded in a chain of two or more while being driven from a single serial interface.

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