This part is a kind of semiconductor called MC1723C.
Function of this product has Voltage Regulator.
Manufacturers : Motorola
Image and pinout :
Some of the text within the PDF file :
Order this document by MC1723C/D MC1723C Voltage Regulator The MC1723C is a positive or negative voltage regulator designed to deliver load current to 150 mAdc. Output current capability can be increased to several amperes through use of one or more external pass transistors. MC1723C is specified for operation over the commercial temperature range (0° to +70°C). • Output Voltage Adjustable from 2.0 Vdc to 37 Vdc VOLTAGE REGULATOR SEMICONDUCTOR TECHNICAL DATA • • • Output Current to 150 mAdc Without External Pass Transistors 0.01% Line and 0.03% Load Regulation Adjustable Short Circuit Protection Figure 1. Representative Schematic Diagram VCC 12 500 6.2V 25k 1.0k 1.0k VC 11 P SUFFIX PLASTIC PACKAGE CASE 646 Vz 9 6.2V 15k 15k 100 5.0pF 30k 5.0k 6 Vref 6.2V 300 20k 5 7 150 VE [ ... ]