onsemi

NCP4587DSN28T1G

NCP4587DSN28T1G Description

The NCP4587DSN28T1G is a linear regulator IC designed for precision voltage regulation in a variety of electronic applications. Manufactured by onsemi, this device is part of Power the Management (PMIC) category and is known for its robust performance and reliability. The NCP4587DSN28T1G features a fixed output voltage of 2.8V and is capable of delivering a continuous output current of 150mA. It operates with an input voltage range up to 5.25V, making it suitable for applications where input voltage fluctuations are common.

NCP4587DSN28T1G Features

• Fixed Output Voltage: The NCP4587DSN28T1 providesG a stable output voltage of 2.8V, ensuring consistent power supply to connected devices.
• Low Dropout Voltage: With a maximum dropout voltage of 0.18V at 150mA, this regulator can maintain regulation even when the input voltage is close to the output voltage, enhancing efficiency in low-voltage applications.
• Low Quiescent Current: The device features a low quiescent current of 4 µA, which is crucial for battery-powered applications where minimizing power consumption is essential.
• High PSRR: The NCP4587DSN28T1G boasts a high power supply rejection ratio (PSRR) of 70dB at 1kHz, effectively filtering out noise from the input supply and ensuring clean output voltage.
• Enable Control Feature: The enable control feature allows for dynamic control of the regulator, enabling or disabling the output as required, which is beneficial for power management in complex systems.
• Over Current Protection: Built-in over current protection safeguards the device and connected circuits from potential damage due to excessive current flow.
• Surface Mount Packaging: The SOT23-5 package type ensures ease of integration into compact designs and is suitable for automated surface mount assembly processes.
• Moisture Sensitivity Level: With an MSL rating of 1 (Unlimited), the NCP4587DSN28T1G is suitable for a wide range of environmental conditions without additional moisture protection measures.

NCP4587DSN28T1G Applications

The NCP4587DSN28T1G is ideal for a variety of applications where precise voltage regulation and low power consumption are critical. Some specific use cases include:

• Battery-Powered Devices: The low quiescent current and low dropout voltage make this regulator suitable for portable electronics and battery-operated devices, ensuring extended battery life.
• Consumer Electronics: In applications such as smartphones, tablets, and wearables, the NCP4587DSN28T1G can provide stable power supply to sensitive components.
• Industrial Equipment: The high PSRR and over current protection features make this regulator robust enough use for in industrial control systems and instrumentation.
• Medical Devices: The precision and reliability of the NCP4587DSN28T1G make it suitable for medical equipment where consistent power supply is crucial for accurate performance.

Conclusion of NCP4587DSN28T1G

The NCP4587DSN28T1G is a versatile linear regulator IC that offers a combination of precision voltage regulation, low power consumption, and robust protection features. Its low dropout voltage and high PSRR make it stand out from similar models, ensuring efficient and reliable performance in a wide range of applications. Despite being marked as obsolete, the NCP4587DSN28T1G a remains valuable component for designers seeking a reliable and efficient power management solution.