Datasheet > SGM3132YDE8G/TR

SGM3132YDE8G/TR

更新时间： 2024-01-21 15:32:28

品牌	Logo	应用领域
圣邦微 - SGMICRO		/
页数	文件大小	规格书
11页	3139K
描述
4-Channel 1-Wire Dimming LED Driver with Ultra-Low Dropout Current Source

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SGM3132YDE8G/TR 数据手册

SGM3132

4-Channel 1-Wire Dimming LED Driver

with Ultra-Low Dropout Current Source

GENERAL DESCRIPTION

FEATURES

● Ultra-Low Dropout: 35mV/20mA

● Support up to 4 LEDs

The SGM3132 is a 4-channel ultra-low dropout

constant source parallel LED driver. The SGM3132

uses an internal resistor to set the bias current for four

LEDs.

● LED Sink Current 20mA

● ±3% LED Current Matching

● Deglitch Circuit

The SGM3132 incorporates a single wire interface to

program the output current at 16 continuous steps. It

has an internal deglitch circuit for filtering the noise of

the EN input.

● Thermal Shutdown Protection

● 16-Step Brightness Control

● No EMI and Switch Noise

● Operating Temperature Range: -40℃ to +85℃

● Available in Green TQFN-3×3-16L, TDFN-2×2-8L

and MSOP-8 Packages

The SGM3132 requires only a 35mV dropout voltage at

a 20mA load. The feature makes SGM3132 ideal for

battery-operated systems, such as personal digital

assistants.

APPLICATIONS

The SGM3132 is available in Green TQFN-3×3-16L,

TDFN-2×2-8L and MSOP-8 packages and is specified

over an ambient temperature range of -40℃ to +85℃.

Wireless Handsets

MP3, MP4, and PMP

Cellular Phones

Portable Communication Devices

Digital Cameras, Camcorders

PDAs, Palmtops, and Handy Terminals

Battery-Powered Equipment

TYPICAL APPLICATION

2.5V to 5.0V

1μF

VIN

PGND

SGM3132

LED1

Pulse Inpput

LED2

LED3

LED4

AGND

n≤16

SG Micro Corp

JANUARY2013–REV.A. 2

www.sg-micro.com

12 3 4 5 6 7...11

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