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ET1117
General Description

The ET1117 series are the low dropout three-terminal regulators with fixed output and ADJ output.
The ET1117 series features dropout of 1.3V at 1A load current and very low standby current 2mA. ET1117 series offers thermal shut down function to assure the stability of chip and power system.
The ET1117 series are available in the SOT-223 package.

Features
  • Maximum Output Current is 1.2A (TYP)

  • Range of Operation Input Voltage up to 15V (MAX)·   

  • Line Regulation is 0.03%/V (TYP)

  • Standby Current is 2mA (TYP)

  • Low Dropout Voltage is 1.3V(TYP)@1A

  • Environment Temperature Range is -40°C~85°C

  • Package is SOT-223


Applications
  • Power Management for Computer Mother

  • Board, Graphic Card

  • LCD Monitor and LCD TV

  • ADSL Modem

  • Post Regulators For Switching Supplies


Pin Configuration

ET1117(图1)

Block Diagram

ET1117(图1)

Application Circuits

图片18.png

Free sample application,Provide various solutions