STMicroelectronics

LF50ACP

LF50ACP Description

The LF50ACP is a linear voltage regulator designed by STMicroelectronics, offering a fixed output voltage of 5V and a maximum output current of 500mA. This regulator is housed in a TO220FP package, making it suitable for through-hole mounting. Despite its obsolete status, the LF50ACP remains a reliable choice for applications requiring a stable power supply. It features a maximum input voltage of 16V and a dropout voltage of 0.7V at 500mA, ensuring efficient operation even under varying input conditions. The regulator also includes over-current and over-temperature protection, enhancing its reliability and safety.

LF50ACP Features

• Fixed Output Voltage: The LF50ACP provides a stable 5V output, ideal for applications requiring a consistent power supply.
• High Output Current: With a maximum output current of 500mA, this regulator can support a wide range of devices and circuits.
• Low Dropout Voltage: A maximum dropout voltage of 0.7V at 500mA ensures efficient operation, even when the input voltage is close to the output voltage.
• Protection Features: Over-current and over-temperature protection safeguard the regulator and connected devices from potential damage.
• Low Quiescent Current: A quiescent current of just 1mA minimizes power consumption during operation.
• High PSRR: The LF50ACP offers a power supply rejection ratio (PSRR) of 76dB to 60dB across the frequency range of 120Hz to 10kHz, ensuring minimal noise and ripple in the output voltage.
• Compliance: The regulator is REACH unaffected and RoHS3 compliant, meeting environmental and safety standards.
• Mounting Type: Through-hole mounting ensures robust mechanical stability and ease of integration into various electronic assemblies.

LF50ACP Applications

The LF50ACP is well-suited for a variety of applications where a stable and reliable 5V power supply is required. Its low dropout voltage and high PSRR make it ideal for use in:

• Consumer Electronics: Powering devices such as smartphones, tablets, and other portable electronics.
• Industrial Equipment: Providing a stable power supply for sensors, actuators, and control systems.
• Telecommunications: Ensuring reliable operation of communication devices and infrastructure.
• Automotive Systems: Supporting electronic components in vehicles, including infotainment systems and control modules.
• Medical Devices: Powering medical equipment where a stable and low-noise power supply is crucial.

Conclusion of LF50ACP

The LF50ACP by STMicroelectronics is a robust linear voltage regulator that offers a reliable 5V output with a maximum current of 500mA. Its low dropout voltage, high PSRR, and protection features make it a superior choice for applications requiring a stable and efficient power supply. Despite being obsolete, the LF50ACP remains a viable option for engineers and designers looking for a proven solution in their projects. Its compliance with environmental and safety standards further enhances its appeal in the electronics industry.