AT9917 Datasheet (Microchip) - Automotive LED Driver

AT9917, Automotive LED Driver

The AT9917 is an advanced fixed frequency PWM IC designed to control single-switch, Boost, Sepic and Buck LED drivers in a Constant Current mode.

The controller uses a Peak Current-mode control scheme with programmable slope compensation and includes an internal transconductance amplifier to control

AT9917 Features

* AEC-Q100 Automotive Reliability Qualified

* Switch Mode Controller for Boost, SEPIC and Buck Converters

* Closed-Loop Control of Output Current

* High PWM Dimming Ratio

* Internal 40V Linear Regulator

* Internal 3% Voltage Reference

* Constan