78M15/78M18 

3-terminal voltage regulator

Fixed Output Voltage: 15V/18V

Operating Voltage Input Range: Up to 35V

Maximum Output Current: 500mA

Low Dropout Voltage

Internal Thermal Overload Protection

Short Circuit Current Protection

TO-220, TO-220FP, DPAK, or SOT-223 packaging

Suitable for a wide range of applications such as power supplies, battery chargers, and voltage regulators for TTL circuits, electronic instruments, and communications equipment.