Texas Instruments

UA78M05IKCSE3

UA78M05IKCSE3 Description

The UA78M05IKCSE3 is a linear regulator IC designed for power management applications, featuring a fixed output voltage of 5V and a maximum output current of 500mA. Manufactured by Texas Instruments, this device is housed in a through-hole TO220-3 package, making it suitable for a variety of electronic systems. Despite being marked as obsolete, the UA78M05IKCSE3 remains a reliable choice for applications requiring a stable power supply. The regulator supports a maximum input voltage of 25V and offers a dropout voltage of 2V at 350mA, ensuring efficient operation even under varying load conditions. The device is also equipped with over-current, over-temperature, and short-circuit protection features, enhancing its robustness and reliability.

UA78M05IKCSE3 Features

• Fixed Output Voltage: The UA78M05IKCSE3 provides a stable 5V output, making it ideal for applications requiring a consistent power supply.
• High Input Voltage Range: With a maximum input voltage of 25V, the regulator can accommodate a wide range of input sources, enhancing its versatility.
• Low Dropout Voltage: The maximum dropout voltage of 2V at 350mA ensures efficient operation, particularly under varying load conditions.
• Protection Features: Over-current, over-temperature, and short-circuit protection features safeguard the device and connected components from potential damage.
• Through-Hole Mounting: The TO220-3 package is designed for through-hole mounting, facilitating easy integration into printed circuit boards.
• Regulatory Compliance: The device is REACH unaffected and RoHS3 compliant, ensuring it meets environmental and safety standards.
• High PSRR: A power supply rejection ratio (PSRR) of 80dB at 120Hz ensures minimal noise and ripple in the output voltage.

UA78M05IKCSE3 Applications

The UA78M05IKCSE3 is well-suited for a variety of applications where a reliable and stable power supply is essential. Some specific use cases include:

• Consumer Electronics: Ideal for powering devices such as radios, portable audio equipment, and small appliances that require a stable 5V supply.
• Industrial Equipment: Suitable for control systems and instrumentation where a fixed output voltage and robust protection features are critical.
• Telecommunications: Can be used in base stations and other telecom equipment requiring a reliable power source.
• Automotive Electronics: Applicable in automotive systems where a stable power supply is necessary for electronic components.

Conclusion of UA78M05IKCSE3

The UA78M05IKCSE3 is a robust and reliable linear regulator IC from Texas Instruments, offering a fixed 5V output and a maximum output current of 500mA. Its low dropout voltage, wide input voltage range, and comprehensive protection features make it a versatile choice for various power management applications. Despite being marked as obsolete, the device remains a valuable option for engineers and designers seeking a dependable power solution. Its compliance with environmental and safety standards further enhances its appeal. Whether used in consumer electronics, industrial equipment, telecommunications, or automotive systems, the UA78M05IKCSE3 provides a stable and efficient power supply, ensuring the reliable operation of connected components.