1.2V To 37V, 3Amp Adjustable Power Supply Using LM2576

This regulator board delivers 3Amp current and adjustable voltage range 1.23V to 37V, with input voltage 40 V.The board built around LM2576-ADJ from Texas instruments. A 3.0 A output current capability power supply that features an adjustable output voltage,  In order to achieve a 10 or more times reduction of output ripple. LM2575ADJ IC also can be used in same project if output current requirement is low as 1Amp.LM2576HVT-ADJ IC Can help to provide higher voltage output range 1.2V-50V @ 3Amp current.


  • Output 1.2 to 37 VDC @ 3 A
  • Onboard Trim-Potentiometer for output voltage adjust
  • On Board Power LED
  • Header Connector For Input & Output
  • Adjustable Version Output Voltage Range, 1.23 to 37 V +/-4%
  • Maximum Over Line and Load Conditions
  • Guaranteed 3.0 A Output Current
  • Wide Input Voltage Range 40V
  • 52 kHz Fixed Frequency Internal Oscillator
  • TTL Shutdown Capability, Low Power Standby Mode
  • High Efficiency
  • Thermal Shutdown and Current Limit Protection









Download Data Sheet LM2576ADJ

Download Data Sheet LM2575ADJ


LM2576HVT Based Circuit can provide higher voltage output Range 1.2V to 50V DC , current upto 3Amps