onsemi

NCP500SN28T1

NCP500SN28T1 Description

The NCP500SN28T1 is a linear regulator IC designed for efficient power management applications. Manufactured by onsemi, this device offers a fixed output voltage of 2.8V and a maximum output current of 150mA. It is housed in a 5TSOP package, making it suitable for surface mount applications. The regulator is designed to operate with an input voltage range up to 6V, ensuring compatibility with a variety of power sources. Despite its small form factor, the NCP500SN28T1 provides robust performance with a maximum dropout voltage of 0.25V at 150mA, which is critical for maintaining efficiency and minimizing power loss.

NCP500SN28T1 Features

• Fixed Output Voltage: The NCP500SN28T1 provides a stable output voltage of 2.8V, making it ideal for applications requiring a consistent power supply.
• High Efficiency: With a dropout voltage of only 0.25V at 150mA, this regulator ensures minimal power loss and high efficiency, even under varying load conditions.
• Low Quiescent Current: The device features an extremely low quiescent current of 1 µA, which is beneficial for battery-powered applications where power conservation is crucial.
• Enable Control: The enable feature allows for dynamic control of the regulator, enabling power-saving modes and efficient power management.
• Protection Features: The NCP500SN28T1 includes over-current and over-temperature protection, ensuring reliable operation and safeguarding against potential damage.
• High PSRR: With a power supply rejection ratio (PSRR) of 62dB at 1kHz, the regulator effectively filters out noise from the input power supply, resulting in a clean output voltage.
• Moisture Sensitivity Level: The MSL rating of 1 (Unlimited) indicates that the device is not sensitive to moisture, making it suitable for a wide range of environmental conditions.
• Mounting Type: The surface mount design allows for easy integration into compact and high-density PCB layouts.

NCP500SN28T1 Applications

The NCP500SN28T1 is well-suited for a variety of applications where a stable and efficient power supply is required. Some specific use cases include:

• Battery-Powered Devices: The low quiescent current and high efficiency make this regulator ideal for portable electronics and battery-powered applications, such as smartphones, tablets, and wearable devices.
• Embedded Systems: The fixed output voltage and enable control feature are beneficial for embedded systems that require precise power management and low power consumption.
• Medical Devices: The high PSRR and protection features ensure reliable operation and safety, making it suitable for medical equipment and devices.
• Industrial Control Systems: The robust design and protection features make the NCP500SN28T1 a reliable choice for industrial applications where consistent power supply and durability are critical.

Conclusion of NCP500SN28T1

The NCP500SN28T1 is a high-performance linear regulator that offers a unique combination of efficiency, stability, and protection features. Its low dropout voltage, low quiescent current, and high PSRR make it an ideal choice for applications requiring a stable and efficient power supply. Despite its small form factor, the device provides robust performance and reliability, making it suitable for a wide range of applications. The enable control feature and surface mount design further enhance its versatility and ease of integration. While the product is now obsolete, its technical specifications and performance benefits continue to make it a valuable component for existing designs and applications.