Texas Instruments

UA78M05IKCS  

Linear & Switching Voltage Regulators

UA78M05IKCS Description

The UA78M05IKCS is a linear regulator IC designed by Texas Instruments, offering a fixed output voltage of 5V and a maximum output current of 500mA. This device is housed in a TO-220-3 package, making it suitable for through-hole mounting. Despite being marked as obsolete, the UA78M05IKCS remains a reliable choice for applications requiring a stable power supply. It features a maximum input voltage of 25V and a dropout voltage of 2V at 350mA, ensuring efficient operation even under varying input conditions. The regulator includes protection features such as over-current, over-temperature, and short-circuit protection, enhancing its robustness and reliability. With a PSRR of 80dB at 120Hz, the UA78M05IKCS provides excellent noise rejection, making it ideal for sensitive electronic circuits. The device is REACH unaffected and RoHS3 compliant, ensuring it meets environmental and safety standards.

UA78M05IKCS Features

• Fixed Output Voltage: The UA78M05IKCS provides a stable 5V output, ensuring consistent power supply to connected devices.
• High Input Voltage Range: With a maximum input voltage of 25V, this regulator can handle a wide range of input voltages, making it versatile for various applications.
• Low Dropout Voltage: A dropout voltage of 2V at 350mA ensures efficient operation even when the input voltage is close to the output voltage.
• Protection Features: Over-current, over-temperature, and short-circuit protection enhance the reliability and safety of the device.
• High PSRR: A PSRR of 80dB at 120Hz ensures minimal noise interference, making it suitable for sensitive applications.
• Compliance: The device is REACH unaffected and RoHS3 compliant,ing adher to environmental and safety standards.
• Through-Hole Mounting: The TO-220-3 package allows for easy and secure through-hole mounting on PCBs.

UA78M05IKCS Applications

The UA78M05IKCS is ideal for a variety of applications where a stable 5V power supply is required. Its robust design and protection features make it suitable for use in:

• Consumer Electronics: Providing stable power to devices such as radios, portable music players, and other small electronic gadgets.
• Industrial Equipment: Ensuring reliable power supply in control systems, sensors, and other industrial applications.
• Telecommunications: Powering low-power communication devices and peripherals.
• Automotive: Suitable for automotive electronics where a stable power supply is crucial for reliable operation.

Conclusion of UA78M05IKCS

The UA78M05IKCS from Texas Instruments is a reliable linear regulator offering a fixed 5V output and a maximum output of current 500mA. Its robust design, featuring over-current, over-temperature, and short-circuit protection, ensures high reliability and safety. The low dropout voltage and high PSRR make it suitable for applications requiring minimal noise interference. Although marked as obsolete, the UA78M05IKCS remains a viable option for applications needing a stable power supply. Its compliance with REACH and RoHS3 standards ensures it meets environmental and safety requirements. The UA78M05IKCS is an excellent choice for a wide range of applications, from consumer electronics to industrial equipment, where a stable and efficient power supply is essential.

UA78M05IKCS Documents

Download datasheets and manufacturer documentation for UA78M05IKCS

Datasheets :

UA78M05,06,08,09,10,12,33      

PCN Other :

Assembly Site/Material Chg 08/Jun/2015      

Design Resources :

Cooling Requirements for Linear Voltage Regulator      

PCN Obsolescence/ EOL :

Mult Dev obs 13/Oct/2022      

PCN Design/Specification :

TO-220, SOT-23 Pkg Cu Wire Base 27/Sep/2013