Datasheet > AL3353S-13

AL3353S-13

更新时间： 2024-02-05 05:58:55

品牌	Logo	应用领域
美台 - DIODES		驱动接口集成电路
页数	文件大小	规格书
15页	359K
描述
LED Driver,

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AL3353S-13 技术参数

是否Rohs认证：	符合	生命周期：	Active
Reach Compliance Code：	compliant	Factory Lead Time：	19 weeks
风险等级：	5.74	接口集成电路类型：	LED DISPLAY DRIVER
JESD-609代码：	e3	峰值回流温度（摄氏度）：	260
端子面层：	Matte Tin (Sn)	处于峰值回流温度下的最长时间：	30
Base Number Matches：	1

AL3353S-13 数据手册

AL3353

HIGH PERFORMANCE BOOST LED CONTROLLER

Description

Pin Assignments

The AL3353 is a highly-integrated and cost-effective Light Emitting

Diode (LED) controller optimized for LCD monitor and LCD TV

backlighting application. It provides a high-performance LED backlight

solution with low-BOM cost.

(Top View)

VIN

PWM

The AL3353 contains a PWM boost driver, which uses current mode

control and fixed frequency operation to regulate the LED current.

The LED current is sensed through an external current sense resistor.

The voltage across the sensing resistor is compared with reference

level of 400mV; the error is amplified to control the pulse width of the

power switch thus to regulate the current flowing the LED.

GATE

OVP

COMP

GND

The AL3353 offers PWM-to-analog dimming mode for a wide range of

dimming control.

SO-8 (Type TH2)

The AL3353 has comprehensive protection features such as power

MOSFET overcurrent protection (OCP), output overvoltage protection

(OVP), Diode & Inductor short protection, LED cathode short-to-GND

protection, IC power supply undervoltage lockout (UVLO), LED open

protection, V_OUTshort protection and overtemperature protection

(OTP).

The AL3353 is available in the SO-8 (Type TH2) package.

Features

Applications

•

Wide Input Voltage Range: 9V to 40V

•

LCD TV

High Precision Feedback Reference Voltage: 400mV/±1.5%

Current Mode PWM Controller with Good Dynamic Response

PWM to Analog Dimming Mode

LCD Monitor

Flat Panel Display

Built-In Comprehensive Protections

Under Voltage Lock Out (UVLO)

Output Over Voltage Protection (OVP)

Power MOSFET Over Current Protection (OCP)

Diode and Inductor Short Protection

LED Cathode Short to GND Protection

LED Open Protection

V_OUTShort Protection

Over Temperature Protection (OTP)

•

Available in Pb-Free SO-8 (Type TH2) Package

Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2)

Halogen and Antimony Free. “Green” Device (Note 3)

Notes:

1. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS), 2011/65/EU (RoHS 2) & 2015/863/EU (RoHS 3) compliant.

2. See https://www.diodes.com/quality/lead-free/ for more information about Diodes Incorporated’s definitions of Halogen- and Antimony-free, "Green" and

Lead-free.

3. Halogen- and Antimony-free "Green” products are defined as those which contain <900ppm bromine, <900ppm chlorine (<1500ppm total Br + Cl) and

<1000ppm antimony compounds.

1 of 15

www.diodes.com

February 2019

AL3353

Document number: DS41487 Rev. 2 - 2

12 3 4 5 6 7...15

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