Power Supply Adapter

This is a negative adjustable power supply. The power supply is regulated based on LM337T regulator IC. The LM337T is a regulator for negative voltage. This power supply output current is 1.5A max. Schematic diagram: Power Supply Input: Component part list: R1 = 330 R2 = 1K VR1 = 10K 10-turn trimpot C1 = 2200uF/50V C2,4 = 100nF ceramic C3,4 = 10uF/63V D1-6 = 1N5403 REG IC = LM337T Heatsink This circuit is available in kit module at electronickits.com, you may buy the this power supply kit there. Here the manual of the kits which containing the schematic diagram, part list and the explanation of the power supply circuit.

Below is a positive regulated adjustable power supply based on LM317T regulator IC. The LM317T is a regulator for positive voltage. This power supply output current is 1.5A max. Schematic diagram: Power Supply Input: Component part list: R1 = 330 R2 = 1K VR1 = 10K 10-turn trimpot C1 = 2200uF/50V C2,4 = 100nF ceramic C3,4 = 10uF/63V D1-6 = 1N5403 REG IC = LM317T Heatsink This circuit is available in kit module at electronickits.com. Here the manual of the kits which containing the schematic diagram, part list and the explanation of the power supply circuit.