Datasheet > AL1677-10BS-13

AL1677-10BS-13

更新时间： 2024-09-20 01:12:07

品牌	Logo	应用领域
美台 - DIODES		功效驱动
页数	文件大小	规格书
13页	539K
描述
UNIVERSAL, HIGH EFFICIENCY AND ACCURACY LED DRIVER CONVERTER

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AL1677-10BS-13 数据手册

AL1677

UNIVERSAL, HIGH EFFICIENCY AND ACCURACY LED DRIVER CONVERTER

Description

Pin Assignments

The AL1677 is a universal AC-input (85~277 V_AC), high-efficiency and

high-accuracy Buck LED-driver converter. The AL1677 topology

provides accurate constant current (CC) line and load regulation,

operating at boundary conduction mode (BCM) to ease in EMI/EMC

qualification and testing to meet the latest regulatory laws.

(Top View)

GND

ROVP

The AL1677 system removes the auxiliary winding and external high-

voltage MOSFET with few external components to create a low bill of

material (BOM) cost solution. The AL1677 has rich protection features

to enhance system safety and reliability. With thermal foldback

function, the AL1677 can reduce output current when the driver’s

temperature is higher than the setting value.

VCC

SO-8

The AL1677 is available in SO-8 package.

Features

Applications



> 90% Efficiency



Retrofit LED Lamps

High Voltage DC-DC LED Driver

General Purpose Constant Current Source

Valley Detection to Minimize Switching Loss

Universal 85 to 277 V_ACInput Range

Internal MOSFET up to 500V

Tight Current Sense Tolerance : ± 3%

Low Startup Current: 170µA

Low Operation Current: 100µA (Static)

Standard Inductor (no auxiliary winding)

Internal Protections

Undervoltage Lockout (UVLO)

Leading-Edge Blanking (LEB)

Cycle-by-cycle Overcurrent Protection(OCP)

Output Open/Short Protection(OVP/OSP)

Open-Load and Reload Detection

Thermal Foldback Function(TFP)

Over-Temperature Protection(OTP)



SO-8 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) compliant.

2. See http://www.diodes.com/quality/lead_free.html 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 13

www.diodes.com

November 2015

AL1677

Document number: DS37526 Rev. 1 - 2

12 3 4 5 6 7...13

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