This part is a kind of semiconductor called UA723.

Function of this product has Precision voltage regulator.

Manufacturers : NXP

Image and pinout :

Some of the text within the PDF file :

Philips Semiconductors Product specification Precision voltage regulator µA723/723C DESCRIPTION The µA723/µA723C is a monolithic precision voltage regulator capable of operation in positive or negative supplies as a series, shunt, switching, or floating regulator. The 723 contains a temperature-compensated reference amplifier, error amplifier, series pass transistor, and current limiter, with access to remote shutdown. PIN CONFIGURATION D,F, N Packages NC 1 CURRENT LIMIT 2 CURRENT SENSE 3 INVERTING INPUT 4 14 NC 13 FREQUENCY COMPENS. 12 V+ 11 V C 10 V OUT 9 8 VZ NC FEATURES NON-INVERTING INPUT 5 VREF 6 V– 7 • Positive or negative supply operation • Series, shunt, switching, or floating operation • 0.01% line and load regulation • Output voltage adj [ ... ]

UA723 PDF Datasheet Download