Datasheet > SE3506

SE3506

更新时间： 2024-01-09 22:32:09

品牌	Logo	应用领域
思旺 - SEAWARD		转换器升压转换器
页数	文件大小	规格书
6页	236K
描述
White LED Step-Up Converter

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中文翻译

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数据手册

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SE3506 数据手册

Description

Features

The SE3506 is a step-up DC/DC converter

Inherently Matched LED Current.

specifically designed to drive white LEDs with a

constant current. The device can drive two, three,

four, or five LEDs in series from a Li-Ion cell.

Series connection of the LEDs provides identical

LED current resulting in uniform brightness and

eliminating the need for ballast resistors. The

SE3506 switches at 1MHz, allowing the use of any

tiny external components. The output capacitor

can be as small as 1μF, saving space and cost

versus alternative solutions. A low 95mV feedback

voltage minimizes power loss in the current setting

resistor for better efficiency.

High Efficiency: 85% Typical.

Drives Up to Four LEDs from a 3.0V Supply.

Drives Up to Six LEDs from a 3.6V Supply.

Fast 1MHz Switching Frequency.

Uses Tiny 1mm Tall Inductors.

Requires Only 1μF Output Capacitor.

Low Profile SOT-23-5L Packaging.

100% Lead (Pb)-Free.

Application

Cellular Phones

SE3506 is available in low profile SOT-23-5L

package.

PDAs, Handheld Computuers

Digital Camera

MP3 Players

GPS Receivers

Ordering/Marking Information

Package

Ordering Information Marking Information

SOT-23-5L

The last character is the

batch number.

SE3506-LF

506z^•

Application Diagram

Revision 12/4/2008

Preliminary and all contents are subject to change without prior notice

12 3 4 5 6

中文翻译

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