The uPC79M12HF is a three-terminal negative voltage regulator manufactured by NEC (now Renesas Electronics). This regulator provides a fixed -12V output voltage and is designed for a wide range of applications requiring a stable negative supply.

Applications:

• Negative Voltage Regulation
• Linear Power Supplies
• Local Regulation
• On-Card Regulation
• Microprocessor Power Supplies

Features:

• Fixed -12V Output
• Output Current up to 0.5A
• Internal Short-Circuit Current Limiting
• Thermal Overload Protection
• Output Transistor Safe-Area Compensation
• TO-220 Package

Benefits:

• Stable Negative Voltage: Provides a consistent and reliable -12V output voltage.
• Simplified Design: Requires minimal external components, simplifying circuit design and reducing board space.
• Overload Protection: Internal current limiting and thermal overload protection prevent damage from excessive current or temperature.
• Safe Operation: Output transistor safe-area compensation enhances reliability and prevents transistor failure.
• Easy to Use: The TO-220 package facilitates easy mounting and heat sinking.

Technical Specifications:

The uPC79M12HF has a fixed output voltage of -12V. The input voltage range is typically -14.5V to -30V. It can supply an output current of up to 0.5A. The dropout voltage is typically 2V. The device has internal short-circuit and thermal overload protection. It is typically housed in a TO-220 package for efficient heat dissipation. Consult the datasheet for detailed electrical characteristics and thermal specifications.

The uPC79M12HF is an ideal choice for applications needing a well-regulated and protected -12V negative voltage supply. Its ease of use and comprehensive protection features make it suitable for a variety of electronic devices.