1.2V To 32V 5A Adjustable Power Supply Using LM338K

This project provides a variable output voltage ranging from 1.2 to 32 V @ 5 A. Project based on LM338K IC, LM338K is adjustable 3 terminal positive voltage regulator capable of supply in excess of 5A over a 1.2V to 32V output range, simple circuit consist few components.

Features

• Input Supply : 24 VAC or 30 VDC, 5 Amp
• Output : variable output from 1.2 to 32 V @ 5 A regulated low ripple DC voltage
• Heatsink for regulator IC
• Onboard bridge rectifier to convert AC to DC
• LED indication at input of IC
• Thermal overload/short circuit protection (provided by IC feature)
• Screw terminal connector for easy input and output connection
• Berg connector for connecting potentiometer (POT) to the PCB
• Filter capacitors for low ripple DC output
• Four mounting holes of 3.2 mm each
• PCB dimensions 91 mm x 66 mm