Microchip Technology

SG7912K  

Linear & Switching Voltage Regulators

SG7912K Description

The SG7912K is a high-performance linear voltage regulator designed for demanding military applications. Manufactured by Microchip Technology, this regulator offers a fixed output voltage of -12V and a robust current handling capability of 1.5A. The device is housed in a through-hole TO204AD package, making it suitable for a variety of printed circuit board (PCB) designs. With a dropout voltage of 2.3V at 500mA, the SG7912K ensures efficient power regulation even under varying load conditions. Its quiescent current of 4mA and a power supply rejection ratio (PSRR) of 54dB at 120Hz further enhance its performance in noise-sensitive applications. The regulator is equipped with comprehensive protection features, including over-current, over-temperature, and thermal shutdown, ensuring reliable operation in harsh environments. The SG7912K is REACH unaffected and meets the military grade standards, making it an ideal choice for applications requiring high reliability and durability.

SG7912K Features

• Output Type: Fixed, providing a stable -12V output voltage.
• Current Handling: Capable of delivering up to 1.5A, ensuring robust power supply for demanding applications.
• Output Configuration: Negative, suitable for applications requiring a negative voltage rail.
• Dropout Voltage: Maximum of 2.3V at 500mA, ensuring efficient operation even under varying load conditions.
• Low Quiescent Current: Only 4mA, minimizing power consumption in standby mode.
• High PSRR: 54dB at 120Hz, ensuring excellent noise rejection and stable output voltage.
• Protection Features: Over-current, over-temperature, and thermal shutdown, providing comprehensive protection against various fault conditions.
• Moisture Sensitivity Level: MSL 1 (Unlimited), suitable for storage and handling in various environments.
• Mounting Type: Through-hole, offering secure and reliable mechanical attachment to PCBs.
• Package: TO204AD, a robust and widely used package type in the electronics industry.
• Product Status: Active, ensuring availability and support from Microchip Technology.
• REACH Status: REACH Unaffected, ensuring compliance with environmental regulations.
• Grade: Military, designed to withstand extreme conditions and meet stringent reliability standards.
• ECCN: EAR99, indicating compliance with export regulations.
• HTSUS: 8542.39.0001, facilitating accurate classification for customs and import purposes.

SG7912K Applications

The SG7912K is ideally suited for a wide range of military and high-reliability applications where stable power regulation and robust performance are critical. Specific use cases include:

• Military Communication Systems: Providing stable power supply for radios, transceivers, and other communication equipment.
• Avionics: Ensuring reliable power regulation for aircraft navigation, control, and communication systems.
• Radar Systems: Supplying consistent power to radar components, ensuring accurate detection and tracking capabilities.
• Defense Electronics: Used in various defense systems requiring high reliability and durability, such as missile guidance systems and electronic warfare equipment.
• Industrial Control Systems: Providing stable power for industrial automation and control systems, ensuring reliable operation in harsh industrial environments.

Conclusion of SG7912K

The SG7912K from Microchip Technology is a high-performance linear voltage regulator designed to meet the stringent demands of military and high-reliability applications. With its fixed -12V output, robust current handling capability, and comprehensive protection features, the SG7912K ensures stable and efficient power regulation. Its low dropout voltage, low quiescent current, and high PSRR make it an excellent choice for noise-sensitive applications. The through-hole TO204AD package and military grade construction further enhance its durability and reliability. Whether used in military communication systems, avionics, radar systems, or industrial control systems, the SG7912K offers a reliable and efficient power solution, making it a standout choice in its category.

SG7912K Documents

Download datasheets and manufacturer documentation for SG7912K