STMicroelectronics

LF50ABPT

LF50ABPT Description

The LF50ABPT is a linear voltage regulator manufactured by STMicroelectronics, featuring a fixed 5V output voltage and a maximum output current of 500mA. This regulator is designed for surface mount applications and comes in a PPAK package, making it suitable for compact and efficient power supply solutions. Despite being marked as obsolete, the LF50ABPT remains a reliable choice for various electronic systems requiring a stable 5V supply. With a maximum dropout voltage of 0.7V at 500mA, it ensures efficient power regulation even under varying load conditions. The regulator also includes protection features such as over-current and over-temperature protection, enhancing its reliability and safety in operation.

LF50ABPT Features

• Output Type: Fixed 5V output voltage, ensuring a stable power supply for sensitive electronic components.
• Input Voltage Range: Capable of handling a maximum input voltage of 16V, providing flexibility in power source selection.
• Output Current: Delivers up to 500mA of current, suitable for powering a wide range of devices and circuits.
• Low Dropout Voltage: A maximum dropout voltage of 0.7V at 500mA ensures high efficiency and minimal power loss.
• Power Supply Current: Maximum supply current of 12mA, contributing to low power consumption.
• Quiescent Current: Low quiescent current of 1mA, which is crucial for energy-efficient designs.
• PSRR: High power supply rejection ratio ranging from 76dB at 120Hz to 60dB at 10kHz, ensuring minimal noise and ripple in the output voltage.
• Protection Features: Over-current and over-temperature protection safeguard the regulator and connected components from damage.
• Enable Control: The enable feature allows for dynamic control of the regulator's operation, enhancing flexibility in system design.
• Compliance: REACH unaffected and ROHS3 compliant, ensuring environmental safety and regulatory adherence.
• Moisture Sensitivity Level: MSL 1 (unlimited), making it suitable for a wide range of manufacturing environments.

LF50ABPT Applications

The LF50ABPT is ideal for a variety of applications where a stable 5V supply is required. Some specific use cases include:

• Consumer Electronics: Powering microcontrollers, sensors, and other low-power devices in consumer electronics.
• Industrial Systems: Providing a reliable power source for industrial control systems and instrumentation.
• Telecommunications: Ensuring stable power for communication modules and embedded systems.
• Automotive Electronics: Suitable for automotive applications requiring a compact and efficient power supply.
• Medical Devices: Powering critical components in medical equipment where reliability and precision are paramount.

Conclusion of LF50ABPT

The LF50ABPT from STMicroelectronics is a robust linear voltage regulator with a fixed 5V output and a maximum output current of 500mA. Its low dropout voltage, high PSRR, and protection features make it a reliable choice for a variety of applications. Despite being marked as obsolete, its technical specifications and performance benefits continue to make it a valuable component for engineers and designers seeking a stable and efficient power supply solution. The LF50ABPT's compliance with environmental regulations and its surface mount package further enhance its suitability for modern electronic designs.