The MC79L08ACPX is a three-terminal negative voltage regulator from ON Semiconductor (formerly Fairchild). This regulator is designed to provide a fixed output voltage of -8V with a low dropout voltage. It is commonly used in a variety of electronic circuits to provide a stable negative power supply for various components and systems. The 'L' in the part number indicates a low current version, making it suitable for applications where power consumption is a concern.

Applications

• Linear Power Supplies: Providing a regulated -8V output for various circuits.
• Instrumentation: Powering operational amplifiers and other analog circuits requiring a negative supply.
• Voltage Regulators: General purpose voltage regulation in electronic devices.
• Battery-Powered Devices: Providing a stable negative supply in portable applications.

Features

• Fixed Output Voltage: Provides a stable -8V output.
• Low Dropout Voltage: Operates with a small difference between input and output voltage.
• Internal Short Circuit Current Limiting: Protects the regulator from damage due to short circuits.
• Thermal Overload Protection: Shuts down the regulator to prevent overheating.
• Output Transistor Safe-Area Compensation: Enhances reliability under varying load conditions.

Benefits

• Simple to Use: Requires minimal external components.
• Reliable: Provides stable and reliable voltage regulation.
• Protected: Incorporates short circuit and thermal overload protection.
• Cost-Effective: A low-cost solution for negative voltage regulation.

Additional Details

The MC79L08ACPX is available in a TO-92 package. The input voltage range is typically -10.5V to -25V. The output current is typically 100mA. It is a three-terminal regulator, with pins for input, output, and ground. It requires minimal external components, making it easy to implement in a circuit. The built-in protection features ensure reliable operation and prevent damage to the regulator and connected components. It's commonly used to provide a stable negative supply for operational amplifiers, data converters, and other analog circuitry. The regulator provides excellent line and load regulation, ensuring a stable output voltage under varying input voltage and load conditions. The low dropout voltage allows it to operate efficiently even when the input voltage is only slightly higher than the output voltage. The internal short circuit current limiting protects the regulator from damage in case of a short circuit condition on the output. The thermal overload protection shuts down the regulator when it gets too hot, preventing damage due to overheating. The output transistor safe-area compensation helps to maintain stable operation under varying load conditions and temperature.