Fairchild (onsemi)

KA79M12RTM

KA79M12RTM Description

The KA79M12RTM is a fixed negative standard regulator designed for a wide range of power management applications. Manufactured by Fairchild Semiconductor (now part of onsemi), this device offers robust performance and reliability in a surface-mount DPAK package. Operating within a temperature range of 0°C to 125°C, the KA79M12RTM is well-suited for demanding industrial and consumer electronics environments.

Key technical specifications include a quiescent current (Iq) of 6 mA, ensuring efficient power consumption even during low-load conditions. The regulator boasts a power supply rejection ratio (PSRR) of 60dB at 120Hz, effectively minimizing noise and ripple in the output voltage. With a maximum dropout voltage of 1.1V at 500mA, the KA79M12RTM maintains stable regulation even under varying input conditions, making it ideal for applications requiring precise voltage control.

KA79M12RTM Features

• Fixed Negative Output Configuration: Provides a stable negative voltage output, essential for applications requiring a negative supply rail.
• High Output Current Capability: Supports up to 500mA of output current, suitable for powering a variety of electronic components and systems.
• Low Dropout Voltage: Ensures efficient operation and minimal power loss, even when the input voltage is close to the output voltage.
• Over Temperature and Short Circuit Protection: Enhances reliability and protects the device from damage due to thermal overload or short circuits.
• Surface-Mount DPAK Package: Facilitates easy integration into compact and high-density PCB designs, ideal for modern electronics.
• Active Product Status: Indicates that the KA79M12RTM is a current, supported product, ensuring long-term availability and technical support.

KA79M12RTM Applications

The KA79M12RTM is ideal for a variety of applications where a stable negative voltage supply is required. Its robust performance and compact form factor make it suitable for:

• Consumer Electronics: Powering devices such as smartphones, tablets, and other portable electronics that require a negative voltage rail.
• Industrial Equipment: Providing reliable power to control systems, sensors, and actuators in industrial environments.
• Telecommunications: Supplying stable power to communication modules and base stations.
• Automotive Electronics: Ensuring reliable operation in automotive systems, where temperature and environmental conditions can vary significantly.

Conclusion of KA79M12RTM

The KA79M12RTM stands out as a reliable and efficient fixed negative standard regulator, offering a comprehensive set of features tailored for demanding power management applications. Its low dropout voltage, high PSRR, and robust protection features make it an excellent choice for ensuring stable and efficient power delivery. The surface-mount DPAK package further enhances its versatility, making it suitable for both high-density and space-constrained designs. Whether used in consumer electronics, industrial equipment, or automotive systems, the KA79M12RTM delivers consistent performance and reliability, making it a preferred choice for engineers and designers in the electronics industry.