Applications

• Small Power Supplies: Used to provide a regulated -12V output in small power supply units.
• Local Regulation: Employed for on-card regulation to provide a stable negative voltage for specific components or circuits.
• Linear Regulators: Used in linear regulation circuits requiring a negative voltage supply.
• Instrumentation: Utilized in test and measurement equipment to provide a stable reference voltage.
• Microcontroller Circuits: Used to power analog components in microcontroller applications where a negative voltage is needed.

Features

• Fixed Output Voltage: Provides a stable -12V output voltage.
• Low Current Output: Typically delivers up to 100mA of output current.
• Internal Short Circuit Protection: Includes built-in protection against short circuits, preventing damage to the regulator.
• Thermal Overload Protection: Features thermal shutdown to protect the regulator from overheating.
• Small Package: Available in a compact package, suitable for space-constrained applications.

Benefits

• Stable Voltage: Provides a stable and regulated -12V output voltage, ensuring reliable operation of connected circuits.
• Overload Protection: Internal short circuit and thermal overload protection enhance the reliability and lifespan of the regulator.
• Easy to Use: Simple three-terminal configuration simplifies circuit design and implementation.
• Cost-Effective: Offers a cost-effective solution for providing a regulated negative voltage.
• Compact Size: Small package allows for use in space-constrained applications.

Additional Details

The MC79L12ACG is typically packaged in a TO-92 package. Input voltage should be greater than -14.5V and less than -30V for proper operation. An input capacitor and output capacitor are recommended for improved stability and transient response. Consult the datasheet for detailed electrical characteristics, application notes, and thermal considerations.