onsemi

NCP502SQ50T1

NCP502SQ50T1 Description

The NCP502SQ50T1 is a fixed output linear voltage regulator designed by onsemi, offering a robust and efficient solution for a wide range of electronic applications. This regulator is designed to provide a stable 5V output voltage with a maximum output current of 80mA. It features a low dropout voltage of 0.9V at 80mA, ensuring high efficiency even at low input voltages. The NCP502SQ50T1 is housed in a compact SC88A package, making it suitable for space-constrained designs.

NCP502SQ50T1 Features

• Fixed Output Voltage: The NCP502SQ50T1 provides a stable 5V output voltage, ensuring consistent power supply to connected devices.
• Low Dropout Voltage: With a maximum dropout voltage of 0.9V at 80mA, this regulator maintains high efficiency and performance even when the input voltage is close to the output voltage.
• Low Quiescent Current: The regulator operates with a quiescent current of only 40 µA, minimizing power consumption during normal operation.
• Enable Control Feature: The enable control feature allows for dynamic control of the regulator's operation, providing flexibility in power management.
• Protection Features: The NCP502SQ50T1 includes over-current and over-temperature protection, safeguarding the device and connected circuits from potential damage.
• High Power Supply Rejection Ratio (PSRR): The regulator offers a PSRR of 55dB at 1kHz, effectively filtering out noise from the input power supply and ensuring clean output voltage.
• Surface Mount Packaging: The SC88A package is designed for surface mount technology, facilitating easy integration into modern PCB designs.

NCP502SQ50T1 Applications

The NCP502SQ50T1 is ideal for a variety of applications where a stable and efficient power supply is required. Some specific use cases include:

• Consumer Electronics: Ideal for powering small devices and peripherals that require a stable 5V supply, such as USB-powered gadgets and low-power IoT devices.
• Industrial Control Systems: Suitable for providing reliable power to sensors, microcontrollers, and other low-power components in industrial environments.
• Portable Devices: The low quiescent current and compact package make it well-suited for battery-powered devices where power efficiency and space are critical.
• Telecommunications: Can be used in various telecom applications where a stable and efficient power supply is essential for maintaining system reliability.

Conclusion of NCP502SQ50T1

The NCP502SQ50T1 is a versatile and efficient linear voltage regulator that offers a stable 5V output with a maximum current of 80mA. Its low dropout voltage, low quiescent current, and high PSRR make it an excellent choice for applications requiring high efficiency and reliability. The enable control feature and protection mechanisms further enhance its functionality and robustness. Despite being marked as obsolete, the NCP502SQ50T1 remains a reliable option for designers seeking a compact and efficient power solution.