onsemi

NCP553SQ50T1

NCP553SQ50T1 Description

The NCP553SQ50T1 is a linear voltage regulator from onsemi, designed to provide a fixed output voltage of 5V with a maximum output current of 80mA. This device is part of the NOCAP™ series, known for its high efficiency and low quiescent current. The regulator operates with a maximum input voltage of 12V and features a low dropout voltage of 0.8V at 80mA, making it suitable for applications where input voltage may vary significantly.

NCP553SQ50T1 Features

• Output Type: Fixed at 5V, ensuring stable power supply to connected devices.
• Input Voltage Range: Up to 12V, providing flexibility in power source selection.
• Output Current: Capable of delivering up to 80mA, suitable for a wide range of low-power applications.
• Low Dropout Voltage: 0.8V at 80mA, ensuring high efficiency even at low input voltages.
• Low Quiescent Current: 1 µA, minimizing power consumption during operation.
• Protection Features: Over-current and over-temperature protection, enhancing reliability and safety.
• Mounting Type: Surface mount, ideal for compact and high-density PCB designs.
• Package: Tape & Reel (TR), facilitating automated assembly processes.
• Moisture Sensitivity Level: MSL 1 (Unlimited), ensuring robustness in various environmental conditions.
• Product Status: Obsolete, but still available for legacy systems and specific applications.

NCP553SQ50T1 Applications

The NCP553SQ50T1 is ideal for applications requiring a stable 5V power supply with low power consumption. Its low dropout voltage and high efficiency make it suitable for battery-powered devices, portable electronics, and embedded systems. The over-current and over-temperature protection features ensure reliable operation in demanding environments, making it a robust choice for industrial and automotive applications.

Specific use cases include:

• Battery-Powered Devices: Ideal for maintaining a stable 5V supply in devices with varying battery levels.
• Embedded Systems: Provides a reliable power source for microcontrollers and other low-power components.
• Portable Electronics: Suitable for applications where compact size and low power consumption are critical.
• Industrial Control Systems: Ensures stable power supply in environments with fluctuating input voltages.

Conclusion of NCP553SQ50T1

The NCP553SQ50T1 is a versatile linear voltage regulator offering a fixed 5V output with a maximum current of 80mA. Its low dropout voltage and low quiescent current make it highly efficient, while over-current and over-temperature protection features enhance reliability. Although marked as obsolete, the NCP553SQ50T1 remains a reliable choice for legacy systems and specific applications requiring a stable, low-power 5V supply. Its surface mount package and tape & reel format facilitate integration into modern PCB designs, ensuring continued relevance in the electronics industry.