onsemi

NCP551SN27T1

NCP551SN27T1 Description

The NCP551SN27T1 is a linear voltage regulator designed by onsemi, offering a fixed output of voltage 2.7V and a maximum output current of 150mA. This regulator is part of the Linear & Switching Voltage Regulators category and is housed in a 5TSOP package, suitable for surface mount applications. Despite its obsolete status, the NCP551SN27T1 remains a reliable choice for applications requiring a low dropout voltage and low quiescent current.

NCP551SN27T1 Features

• Output Type: Fixed, providing a stable 2.7V output voltage.
• Input Voltage Range: Capable of handling up to 12V, making it versatile for various power supply configurations.
• Output Current: Delivers a maximum of 150mA, suitable for low to medium power applications.
• Low Dropout Voltage: A maximum dropout voltage of 0.15V at 10mA ensures efficient operation even under low input-to-output voltage differentials.
• Low Quiescent Current: Consumes only 8 µA, which is advantageous for battery-powered or low-power systems.
• Control Features: Includes an enable function, allowing for precise control over the regulator's operation.
• Protection Features: Over-current and over-temperature protection ensure robustness and reliability in various operating conditions.
• Moisture Sensitivity Level: MSL 1 (Unlimited), indicating high resistance to moisture, which is crucial for manufacturing processes.
• Mounting Type: Surface mount, ideal for compact and high-density PCB designs.
• Package: Tape & Reel (TR), facilitating automated assembly and handling.

NCP551SN27T1 Applications

The NCP551SN27T1 is ideal for a range of applications where low power consumption and high efficiency are critical. Its low dropout voltage and low quiescent current make it particularly suitable for battery-operated devices, portable electronics, and other low-power systems. The enable control feature allows for dynamic power management, making it a preferred choice for applications requiring power-saving modes.

Specific use cases include:

• Battery-Powered Devices: Ideal for maintaining stable voltage levels in devices such as smartphones, tablets, and wearable technology.
• Portable Electronics: Suitable for powering small electronic devices that require a reliable and efficient power source.
• Industrial Control Systems: Can be used in low-power control modules where minimal power consumption is essential.
• Medical Devices: Applicable in portable medical equipment where low power and high reliability are paramount.

Conclusion of NCP551SN27T1

The NCP551SN27T1 stands out as a reliable and efficient linear voltage regulator, offering a fixed 2.7V output with a maximum current of 150mA. Its low dropout voltage and low quiescent current make it particularly advantageous for low-power applications, ensuring efficient operation and extended battery life. The inclusion of over-current and over-temperature protection features enhances its robustness, making it suitable for a variety of demanding environments. While marked as obsolete, the NCP551SN27T1 remains a viable option for applications where its unique features and performance benefits are required.