1.2V to 35V DC-DC Converter

Rajkumar Sharma      http://www.rajkumarsharma.com  
13270
Project tested

G40_1

1.2V to 35V Adjustable DC-DC Converter project has been design around TI’s  LM2576-ADJ IC. Inputs supply 40 VDC.  LM2576-ADJ is a monolithic integrated circuit that provides all the active functions for step down switching regulator, capable of driving 3A load with excellent line and load regulation.this board has minimum number of components.

Features

  •  Output 1.2 to 35 VDC @ 3 A regulated low ripple DC voltage
  •  Onboard potentiometer for output voltage adjust
  •  Onboard bridge rectifier for AC voltage input
  •  LED indication at input
  •  Screw Terminal connectors for input and output
  • Four mounting holes of 3.2 mm each
  •  PCB dimensions 70 mm x 63 mm

Applications

  • Small Bench Top Power Supplies
  • Battery Chargers
  • LED Drivers

Schematic

SCH

 

Parts List

BOM

Connections

connections

 

PCB

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