This is the basic LM7905 voltage regulator, a three-terminal negative regulator with a -5V fixed output voltage. This fixed regulator provides a local regulation, internal current limiting, thermal shut-down control, and safe area protection for your project. Each one of these voltage regulators can output a max current of 1.5A. , it has input voltages in the range of -25 to -8V and a fixed output of -5V. The  7905 – Voltage Regulator -5V can be used in several applications such as: power supplies, circuit with operating amplifiers working with negative reference voltage, among others. The  7905  Voltage Regulator -5V has three easy-welding terminals and has TO-220 package.