Datasheet> 器件分类 > 半导体> 驱动器IC> LED照明驱动器> AS3695A-QFN48

AS3695A-QFN48: 产品描述LED照明驱动器 AS3695A QFN48 LF T&RDP; 产品类别半导体驱动器IC LED照明驱动器; 文件大小872KB，共70页; 制造商AMS; 官网地址https://ams.com/zh; 标准

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AS3695A-QFN48概述

LED照明驱动器 AS3695A QFN48 LF T&RDP

AS3695A-QFN48规格参数

参数名称	属性值
厂商名称	AMS
产品种类	LED照明驱动器
工厂包装数量	4000

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AS3695A

16-Channel White LED Driver for LCD

Backlight

General Description

The AS3695A is a 16-channel precision LED driver for use in

LCD-backlight panels.

All current sinks are fully integrated (integrated FETs) therefore

minimizing the overall bill of material. Each channel is equipped

with an independent PWM generator which can also be

synchronized to an external synchronization signal (VSYNC) to

enable local dimming.

A 10-bit high accurate DAC (trimmed in production) is used to

set the LED current.

Dynamic power feedback controls the external power supply

to guarantee best efficiency. Build in safety features include

thermal shutdown as well as open and short LED detection. The

device is programmable via the serial interface (SPI).

Ordering Information

and

Content Guide

appear at end of

datasheet.

Key Benefits & Features

The benefits and features of AS3695A, 16-Channel White LED

Driver for LCD Backlight are listed below:

Figure 1:

Added Value of Using AS3695A

Benefits

•

Optimum power savings through local dimming

•

Highest brightness uniformity

•

Synchronization with TV frame

•

Lowest BOM

•

Analog DC/DC feedback function

•

On chip safety features

•

Small package available

Features

•

16 fully flexible 12-bit PWM generators (period, high

time, delay, reverse)

•

One global high accurate 10-bit DAC which sets the

LED current (± 0.5% accuracy)

•

VSYNC and HSYNC inputs available

•

Due to integrated high voltage FETs

•

Feedback function is compatible to every DC/DC

architecture

•

Short/open LED detection, temperature shutdown,

•

QFN48 [7mmx7mm] 0.5mm pitch

ams Datasheet

[v2-01] 2016-Nov-08

Page 1

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