pdf

Shengbang micro resistor flash driver: SGM3140 and SGM3141

  • 2013-09-29
  • 502.25KB
  • Points it Requires : 2

              SGM3141BPreliminary DatasheetSGM3141B 700mA Buck/Boost Charge Pump LED DriverGENERAL DESCRIPTIONThe SGM3141B is a current-regulated charge pump ideal for powering high brightness LEDs for camera flash applications. The charge pump can be set to regulate two current levels for FLASH and TORCH modes. The SGM3141B automatically switches modesFEATURES● Output Current up to 700mA ● Up to 90% Efficiency in Torch Mode ● Adjustable FLASH Mode Current ● 1× and 2× Automatic Modes for High Efficiency ● Input Voltage Range: 2.7V to 5.5V ● Minimum External Components: No Inductors ● High Frequency Operation: 2.2MHz ● Low 47mV Reference for Low Loss Sensing ● IQ < 1A in Shutdown ● Built-In Soft Start Limits Inrush Current ● Low Input and Output Ripple and Low EMI ● Output Over Voltage Protection ● Over-c……             

unfold

You Might Like

Uploader
电子爱好者IK
 

Recommended ContentMore

Popular Components

Just Take a LookMore

EEWorld
subscription
account

EEWorld
service
account

Automotive
development
circle

About Us Customer Service Contact Information Datasheet Sitemap LatestNews


Room 1530, 15th Floor, Building B, No.18 Zhongguancun Street, Haidian District, Beijing, Postal Code: 100190 China Telephone: 008610 8235 0740

Copyright © 2005-2024 EEWORLD.com.cn, Inc. All rights reserved 京ICP证060456号 京ICP备10001474号-1 电信业务审批[2006]字第258号函 京公网安备 11010802033920号
×