A80803 Datasheet - Allegro

A80803 - Multi-Topology Synchronous LED Controller

The A80803 is a switch-mode, constant-current DC/DC controller for high-power LED automotive lighting applications. The controller is based on a programmable fixed frequency, peak current mode control architecture and can be configured in multiple different switching topologies to suit different app.

A80803 Features

* Wide 5 to 37 V input voltage range

* 40 V absolute maximum for load dump

* 4.5 V UVLO falling for idle stop

* Wide output voltage, up to 70 V OVP rating

* Single-ended topology controller with internal gate drivers for low-side and high-side external MOSFETs

A80803-Allegro.pdf