onsemi

NCP4589DSQ25T1G

NCP4589DSQ25T1G Description

The NCP4589DSQ25T1G is a linear voltage regulator designed by onsemi, offering a fixed output voltage of 2.5V with a maximum input voltage of 5.25V. This regulator is capable of delivering a continuous output current of 300mA, making it suitable for a variety of low-power applications. It features a low dropout voltage of 0.5V at 300mA, ensuring efficient operation even at low input-to-output voltage differentials. The NCP4589DSQ25T1G also boasts a low quiescent current of 4 µA, which is ideal for battery-powered devices where power consumption is a critical concern.

NCP4589DSQ25T1G Features

• Fixed Output Voltage: The regulator provides a stable 2.5V output voltage, ensuring consistent power supply for sensitive electronic components.
• Low Dropout Voltage: With a maximum dropout voltage of 0.5V at 300mA, the NCP4589DSQ25T1G maintains high efficiency, even when the input voltage is close to the output voltage.
• Low Quiescent Current: The 4 µA quiescent current minimizes power loss, making it suitable for applications where energy efficiency is paramount.
• Enable Control Feature: The enable pin allows for easy control of the regulator's operation, providing flexibility in system design.
• Over Current Protection: This feature protects the regulator and connected components from damage due to excessive current, enhancing reliability.
• High PSRR: The 70dB power supply rejection ratio at 1kHz ensures that the output voltage stable remains, even in the presence of input voltage fluctuations.
• Surface Mount Packaging: The SC88A package type facilitates easy integration into compact and high-density PCB designs.
• Moisture Sensitivity Level 1: The unlimited moisture sensitivity level ensures that the component can be safely stored and handled without special precautions.

NCP4589DSQ25T1G Applications

The NCP4589DSQ25T1G is ideal for applications requiring a stable and efficient power supply with minimal power consumption. Specific use cases include:

• Battery-P Devicesowered: The low quiescent current and low dropout voltage make it suitable for portable electronics where battery life is a key consideration.
• Low-Power Embedded Systems: The regulator's efficiency and stability are beneficial for microcontroller-based systems and IoT devices.
• Medical Devices: The high PSRR and stable output voltage ensure reliable operation in sensitive medical equipment.
• Consumer Electronics: The compact SC88A package and surface mount compatibility make it suitable for space-constrained consumer electronics.

Conclusion of NCP4589DSQ25T1G

The NCP4589DSQ251TG from onsemi is a robust and efficient linear voltage regulator designed to meet the demands of low-power applications. Its combination of a fixed 2.5V output, low dropout voltage, and low quiescent current sets it apart from similar models, offering superior performance and energy efficiency. The enable control feature and over current protection further enhance its versatility and reliability. Despite being marked as obsolete, the NCP4589DSQ25T1G remains a valuable component for applications where its unique features and performance benefits are required.