NightFire Adjustable NEGATIVE DC Power Supply Kit (#1846)

This Adjustable NEGATIVE Voltage Power Supply Project Kit is designed around the LM337T 3-Terminal Adjustable Voltage Regulator in the TO-220 package. It is capable of supplying in excess of 1.0 Amps over a range of -3 volts to -25 volts output. A heat sink (not supplied) may be needed for the LM337T, depending on your application. The output voltage is varied with a potentiometer and is very steady and accurate even while the input voltage varies. The output can be varied from around -3.0VDC up to -25 VDC depending on the input voltage and the choice of resistors. Do not connect this directly to the 120VAC. This circuit is perfect for those that want their own small but powerful power supply. It can be used on the bench or as part of your project. It is small enough to fit in robotic vehicles and such. The PCB is 1.1" x 2.0", double-sided, .062", FR-4, with Silk Screening on the Top Side.