Overview

Description

The AS3820 is a 16-channel precision LED for use in LCD-backlight panels. Dynamic power feedback controls the external power supply to guarantee the best efficiency.

Built-in safety features include thermal shutdown as well as open and short LED detection. The device is programmable via a serial interface.

Features

  • 16-channel LED driver
  • Output voltage only limited by external transistor
  • Output current only limited by external transistor
  • Linear current setting using 10-bit DAC
  • Current accuracy ±0.5% at VDAC = 250mV

Comparison

Applications

Applications

  • LED backlighting for LCD - TV sets and monitors

Documentation

Type Title Date
Datasheet Log in to Download PDF 2.48 MB
1 item

Design & Development

Models