This part is a kind of semiconductor called 78L15.

Function of this product has THREE-TERMINAL POSITIVE VOLTAGE REGULATOR IC.

Manufacturers : ETC

Image and pinout :

Some of the text within the PDF file :

78L15 A• THREE-TERMINAL POSITIVE VOLTAGE REGULATOR IC FEATURES: - OUTPUT CURRENT IN EXCESS OF 100MA; - NO EXTERNAL COMPONENTS REQUIRED; - INTERNAL SHORT CIRCUIT CURRENT LIMITING; - INTERNAL THERMAL OVERLOAD PROTECTION; - OUTPUT TRIMMET TO ±5% TOLERANCE; ABSOLUTE MAXIMUM RATINGS (Ta= 25° C) Characteristic Symbol Norm Unit Input Voltage Vin V 35 °C 150 Junction Temperature Tj TO-92 1 1. Output 2. GND 3. Input ELECTRICAL CHARACTERISTICS (Vin=23V,Io=40mA,Ci=0.33mkF,Co=0.1mkF,Tj=0+125°C, unless otherwise noted.) Characteristic Symbo Norm Unit l Min TYP Max Output Voltage(Tj=25°C) Vo 14,4 15,6 V Output Voltage Vo 14,25 15,75 V 1.0mA≤Io≤40mA, 17,5 V≤Vin≤ 30V 14,25 15,75 1.0mA≤Io≤70mA, Vin=23V Line Regulation (Tj=+25°C, Io=40mA ) mV ∆Vv 300 17,5 V≤Vin≤30 V 250 20 V [ ... ]

78L15 PDF Datasheet Download