1.5-30Vdc, 1.5A Regulated LM317 Adjustable Power Supply Kit

This LM317 based adjustable power supply kit provides a regulated, variable voltage output of 1.5V to 30V dc at up to 1.5 Amps. Accepts either AC or DC supply voltage. Onboard potentiometer for voltage adjustment.

Connect up to 25Vac or 35Vdc to the input using on-board jack socket or terminal block from, for example, an AC transformer or unregulated DC power supply (not included). The DC input voltage needs to be 2-3V above the required output voltage for proper operation and with a current rating sufficient for the current to be drawn which is a maximum of 1.5A.

The circuit is designed around the popular three pin LM317T voltage regulator in a TO220 package.

The kit is supplied with a heatsink, 2A bridge rectifier, smoothing capacitors, potentiometer, PCB mounted ON/OFF switch, input/output screw terminal blocks and a 2.5mm input jack socket.

This kit is not suitable for use as a DC Motor Speed Controller.

Product selection advice: Please ensure the equipment under power draws less current than the power supplies maximum rated current detailed below (do not rely on equipment rating specifications as they are often incorrect). We recommend that the power supply is rated at least 20% above the equipment to be powered so it can handle current surges, etc.

Specifications

Supply	5 - 25V ac max or 5 - 35V dc max (see User Manual for details)
Output Voltage	1.5V to 30Vdc (see User Manual for details)
Output Current	1.5 Amps max.
Board Dimension	~ 50 x 40 x 25mm
Enclosure	WCAH2853
Board Connections	Screw terminal blocks & 2.5mm power socket
Product Formats	SELF-ASSEMBLY Electronic Kit (KT) or PRE-ASSEMBLED Electronic Module (AS) Product Formats Info
Documentation	User Manual