Datasheet > GM19371-ST26RG

GM19371-ST26RG

更新时间： 2024-09-14 12:28:19

品牌	Logo	应用领域
GAMMA		驱动器
页数	文件大小	规格书
10页	171K
描述
BOOST WHITE LED DRIVER WITH OVP

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中文翻译

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数据手册

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GM19371-ST26RG 数据手册

GM19371

BOOST WHITE LED DRIVER

WITH OVP

Description

Features

The GM19371 is a step up DC/DC convert

specifically designed to drive white LED;s with a

constant current. The device can drive up to 27

LEDs from a 5V supply.

Inherently matched LED current

Drives up to 126LEDs (9S14P) from a

12V supply

36V rugged bipolar switch

Additional feature includes output voltage limiting

when LEDs are disconnected.

Fast 1.2MHz switching frequency

Over Voltage Protection, 30V

GM19371 is available in SOT-26 package.

Application

Cellular phones

MP3 Player

PDAs, Handheld Computers

Digital Cameras

GPS Receivers

MR16 Lighting

Typical Application Circuits

14 Strings in Parallel

9 LED in Series

10µH

VI_N

6V to 18V

V_IN

4.7µF

OVP 5

GM19371

FB 3

4 CTRL

DIM

GND

R_SET

20mA x 14

Figure 1 GM19371 typical application

www.gammamicro.com.tw

12 3 4 5 6 7...10

中文翻译

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