onsemi

NCP553SQ28T1G

NCP553SQ28T1G Description

The NCP553SQ28T1G is a linear regulator IC designed for efficient power management applications. Manufactured by onsemi, this device is part of the NOCAP™ series and is known for its fixed output voltage of 2.8V and ability to deliver up to 80mA of output current. It features a maximum input voltage of 12V and a dropout voltage of 1.2V at 80mA, ensuring stable regulation even under varying load conditions. The NCP553SQ28T1G is housed in a surface-mount SC82AB package, making it suitable for compact and space-constrained designs. Despite its small form factor, it offers robust protection features, including over-current and over-temperature protection, enhancing its reliability and durability in various electronic systems.

NCP553SQ28T1G Features

• Fixed Output Voltage: The NCP553SQ28T1G provides a stable output voltage of 2.8V, making it ideal for applications requiring a fixed voltage supply.
• High Efficiency: With a maximum dropout voltage of 1.2V at 80mA, this regulator ensures high efficiency, especially in low-dropout applications.
• Low Quiescent Current: The device features a quiescent current of only 1µA, which is crucial for minimizing power consumption in battery-operated devices.
• Robust Protection: Over-current and over-temperature protection features safeguard the regulator and connected components from potential damage.
• Surface-Mount Packaging: The SC82AB package type allows for easy integration into surface-mount designs, enhancing the flexibility and compactness of the final product.
• Compliance: The NCP553SQ28T1G is REACH unaffected and RoHS3 compliant, ensuring it meets environmental and regulatory standards for modern electronics manufacturing.

NCP553SQ28T1G Applications

The NCP553SQ28T1G is well-suited for a variety of applications where stable voltage regulation and low power consumption are critical. Some specific use cases include:

• Battery-Powered Devices: Ideal for portable electronics and IoT devices that require efficient power management to extend battery life.
• Consumer Electronics: Suitable for applications such as smartphones, tablets, and wearables where space and power efficiency are paramount.
• Industrial Equipment: Can be used in low-power industrial sensors and control systems that demand reliable voltage regulation.
• Medical Devices: Applicable in medical equipment where precise voltage control and low power consumption are essential for prolonged operation.

Conclusion of NCP553SQ28T1G

The NCP553SQ28T1G is a versatile and efficient linear regulator IC that offers a balance of performance and reliability. Its fixed 2.8V output, low dropout voltage, and low quiescent current make it an excellent choice for applications requiring stable power supply and minimal power consumption. The inclusion of over-current and over-temperature protection features further enhances its robustness, making it suitable for a wide range of electronic systems. While the product is marked as obsolete, its technical specifications and performance benefits continue to make it a valuable component for existing designs and legacy systems.