概览

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.

AS3820 Functional Block Diagram
AS3820 Typical Applications Diagram
AS3820 Functional Block Diagram
AS3820 Typical Applications Diagram
  • 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

应用

  • LED backlighting for LCD - TV sets and monitors

文档

= 相关文档
类型 文档标题 日期
数据手册
AS3820 Datasheet
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1 item

设计和开发

ECAD 模块

Schematic symbols, PCB footprints, and 3D CAD models from SamacSys can be found by clicking on products in the Product Options table. If a symbol or model isn't available, it can be requested directly from the website.

扩展 ECAD 模块
Diagram of ECAD Models

产品选择

    Processing table
    Pkg. Type
    Carrier Type
    购买 / 样片
    器件号
    AS3820A-ZQFT
    circle有效
    memory
    view_in_ar
    可提供样片
    		 48 QFN Tape & Reel 获取样片,
    AS3820E-ZQFT
    info
    memory
    view_in_ar
    可提供样片
    		 QFN48 7x7 获取样片,
    Parametric Table tips

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