ZXLD381

更新时间： 2024-11-27 07:07:55

品牌	Logo	应用领域
捷特科 - ZETEX		驱动器
页数	文件大小	规格书
8页	167K
描述
Single or Multi Cell LED Driver Solution

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中文翻译

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数据手册

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ZXLD381 数据手册

ZXLD381

Single or Multi Cell LED Driver Solution

Summary

The ZXLD381 is a single cell LED driver a low saturation resistance. This ensures high

designed for applications where step-up efficiency, even for input voltages as low as 1V.

voltage conversion from a very low input

The IC can start up under full load and operates

voltage is required. These applications mainly

down to an input voltage of only 0.9V.

operate from 1.5V or 1.2V cells. The IC

generates constant current pulses that are The ZXLD381 is offered in the space saving

ideal for driving single or multiple LEDs over SOT23 package or in die form, offering an

a wide range of operating voltages.

excellent cost vs performance solution for

single cell LED driving applications.

The ZXLD381 uses a PFM control technique to

drive an internal switching transistor which

exhibits

Features

Applications

•

85% Efficiency

•

LED flashlights and torches

LED backlights

User adjustable output current

Single cell operation (0.9V minimum)

White LED driver

Low

saturation

voltage

switching

transistor

•

SOT23-3 package

Available also in Die form

Simple Application circuit

V_IN

V_CC

LED

V_OUT

GN D

ZXLD381

Issue 1 - April 2008

www.zetex.com

12 3 4 5 6 7 8

中文翻译

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