AL8807W5-7

更新时间： 2024-02-17 11:37:59

品牌	Logo	应用领域
美台 - DIODES		显示驱动器驱动程序和接口接口集成电路光电二极管功效
页数	文件大小	规格书
21页	1278K
描述
HIGH EFFICIENCY LOW EMI 36V 1A BUCK LED DRIVER

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技术参数
数据手册

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AL8807W5-7 技术参数

是否无铅：	不含铅	是否Rohs认证：	符合
生命周期：	Active	零件包装代码：	SOT
包装说明：	LSSOP, TSOP5/6,.11,37	针数：	5
Reach Compliance Code：	compliant	ECCN代码：	EAR99
HTS代码：	8542.39.00.01	Factory Lead Time：	19 weeks
风险等级：	1.55	接口集成电路类型：	LED DISPLAY DRIVER
JESD-30 代码：	R-PDSO-G5	JESD-609代码：	e3
长度：	3 mm	湿度敏感等级：	1
复用显示功能：	NO	功能数量：	1
区段数：	8	端子数量：	5
最高工作温度：	125 °C	最低工作温度：	-40 °C
封装主体材料：	PLASTIC/EPOXY	封装代码：	LSSOP
封装等效代码：	TSOP5/6,.11,37	封装形状：	RECTANGULAR
封装形式：	SMALL OUTLINE, LOW PROFILE, SHRINK PITCH	峰值回流温度（摄氏度）：	260
电源：	12 V	认证状态：	Not Qualified
座面最大高度：	1.45 mm	子类别：	Display Drivers
最大供电电压：	30 V	最小供电电压：	6 V
标称供电电压：	12 V	表面贴装：	YES
温度等级：	AUTOMOTIVE	端子面层：	Matte Tin (Sn)
端子形式：	GULL WING	端子节距：	0.95 mm
端子位置：	DUAL	处于峰值回流温度下的最长时间：	40
宽度：	1.6 mm	Base Number Matches：	1

AL8807W5-7 数据手册

AL8807

HIGH EFFICIENCY LOW EMI 36V 1A BUCK LED DRIVER

Description

Pin Assignments

(Top View)

The AL8807 is a step-down DC/DC converter designed to

drive LEDs with a constant current. The device can drive up

to 9 LEDs, depending on the forward voltage of the LEDs, in

series from a voltage source of 6V to 36V. Series connection

of the LEDs provides identical LED currents resulting in

uniform brightness and eliminating the need for ballast

resistors. The AL8807 switches at frequency up to 1MHz with

controlled rise and fall times to reduce EMI. This allows the

use of small size external components, hence minimizing the

PCB area needed.

V_IN

GND

CTRL

SET

SOT25

(Top View)

Maximum output current of AL8807 is set via an external

resistor connected between the V_INand SET input pins.

Dimming is achieved by applying either a DC voltage or a

PWM signal at the CTRL input pin. An input voltage of 0.4V

or lower at CTRL switches off the output MOSFET simplifying

PWM dimming.

V_IN

SET

GND

CTRL

N/C

Features

MSOP-8EP

•

LED driving current up to 1.3A (MSOP-8EP)

Better than 5% accuracy

Applications

High efficiency up to 96%

•

MR16 lamps

Optimally controlled switching speeds

General illumination lamps

12V powered LED Lamps

24V powered LED Lamps

Operating input voltage from 6V to 36V

PWM/DC input for dimming control

Built-in output open-circuit protection

SOT25: Available in “Green” Molding Compound (No Br,

Sb) with lead Free Finish/ RoHS Compliant (Note 1)

MSOP-8EP Available in “Green” Molding Compound (No

Br, Sb) with lead Free Finish/ RoHS Compliant (Note 1)

•

Notes: 1. EU Directive 2002/95/EC (RoHS) & 2011/65/EU (RoHS 2). All applicable RoHS exemptions applied.Please visit our website at

http://www.diodes.com/products/lead_free.html.

Typical Application Circuit

DFLS2100

ANODE

0R15

DFLS 2100

DFLS2100

1µF

C5 100nF

CATHODE

CTRL

GND

33µH

150µF

100 nF

AL8807

DFLS2100

DFLS 2100

GND

1 of 21

www.diodes.com

June 2012

AL8807

Document number: DS35281 Rev. 4 - 2

12 3 4 5 6 7...21

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