3.3V Voltage Regulator

  • Rajkumar Sharma
  • 46340
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  • easy
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C026-500x500-500x500

 

This project is a 3.3V Voltage Regulator

Description

This project  will provide 3.3 V @ 800 mA DC Regulated Supply.  The project is based on the LM1117 Low-Dropout Linear Regulator. The LM1117-3.3 is a low dropout voltage regulator with a dropout of 3.3V @ 800mA of load current.

Specifications

  • Input – 5 to 15 VDC
  • Output Current/Voltage 0<Iout<800mA, 4.75V<Vin<12V
  • Output – 3.3 V @ 800 mA regulated low ripple DC voltage
  • Current limiting and Thermal shutdown circuit protection (provided by IC feature)
  • Filter capacitors for low ripple DC output
  • Power Battery Terminal (PBT) for easy connection of input and output
  • Four mounting holes of 3.2 mm each
  • PCB dimensions 40 mm x 26 mm

Schematic

SCHEMATIC

 

Parts List

BOM

 

PCB

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james martin

nice ,I want to present it somewhere

sanket bhalsing

Sir i want pcb layout of 5v powersupply can you send me on Sanketxf786@gmail.com

potaroofficial

sir i want to know, can i change the capasitor ? thanks

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