The ON Semiconductor NCP551SN31T1G is a highly efficient, CMOS low dropout (LDO) voltage regulator designed to deliver a stable and precise 3.1V output voltage. This compact and reliable component is ideal for portable applications where extended battery life is paramount.

Key Features

• Output Voltage: Fixed 3.1V with high accuracy.
• Output Current: Capable of delivering up to 150mA, suitable for a wide range of applications.
• Low Dropout Voltage: Ensures efficient operation even when the input voltage is close to the output voltage.
• High PSRR: Excellent power supply rejection ratio (PSRR) minimizes noise and ripple from the input power source.
• Thermal Shutdown: Integrated thermal shutdown feature protects the device from overheating.
• Current Limiting: Built-in current limit provides protection against short-circuit and overcurrent conditions.
• Low Quiescent Current: The device's low Iq reduces power consumption, especially important in battery-powered devices.
• Small Footprint: Available in a space-saving 5-pin TSOP-5 package, ideal for compact designs.

Applications

The NCP551SN31T1G LDO regulator is versatile and can be used in a variety of applications, including:

• Portable and battery-powered devices
• Microcontroller power supply
• Wireless communication devices
• Personal digital assistants (PDAs)
• Portable media players

Quality and Reliability

ON Semiconductor is known for its commitment to quality, and the NCP551SN31T1G is no exception. The device is manufactured with a robust CMOS process, ensuring high reliability and performance over its lifetime. Its design is optimized for stable operation across a wide range of temperatures and load conditions, making it a dependable choice for critical applications.

Environmental Compliance

The NCP551SN31T1G is not only a high-performance component but also environmentally friendly. It is lead-free, halogen-free, and RoHS compliant, reflecting ON Semiconductor's dedication to reducing the environmental impact of its products.