onsemi

CS8321YDPR3

CS8321YDPR3 Description

The CS8321YDPR3 is a linear voltage regulator designed by onsemi, offering a fixed output voltage of 5V and a maximum output current of 150mA. This regulator is housed in a D2PAK-3 package, suitable for surface-mount applications. It features a maximum input voltage of 45V and a low dropout voltage of 0.5V at 150mA, ensuring efficient power delivery even under varying input conditions. The regulator is equipped with protection features such as reverse polarity and short-circuit protection, enhancing its reliability and robustness. Despite being marked as obsolete, the CS8321YDPR3 remains a viable option for applications requiring a stable 5V supply with moderate current capabilities.

CS8321YDPR3 Features

• Fixed Output Voltage: Provides a stable 5V output, ideal for applications requiring a consistent power supply.
• High Input Voltage Range: Capable of handling input voltages up to 45V, making it suitable for a wide range of power sources.
• Low Dropout Voltage: With a maximum dropout voltage of 0.5V at 150mA, the regulator maintains efficiency even at lower input voltages.
• Protection Features: Includes reverse polarity and short-circuit protection, ensuring the device remains safe and reliable under various operating conditions.
• Low Quiescent Current: Consumes only 200 µA in quiescent mode, minimizing power loss and enhancing overall efficiency.
• High PSRR: Achieves a power supply rejection ratio of 75dB at 120Hz, effectively filtering out noise and providing a clean output voltage.
• Surface-Mount Package: The D2PAK-3 package is designed for surface-mount technology, facilitating easy integration into compact and high-density PCB designs.
• Moisture Sensitivity Level: Rated MSL 2 (1 Year), ensuring the device remains protected during storage and handling.

CS8321YDPR3 Applications

The CS8321YDPR3 is well-suited for a variety of applications where a stable 5V supply and moderate current are required. Key applications include:

• Consumer Electronics: Ideal for powering small electronic devices such as portable audio players, digital cameras, and other low-power consumer electronics.
• Industrial Control Systems: Provides a reliable power supply for sensors, actuators, and other components in industrial control systems.
• Telecommunications: Suitable for powering low-power modules in telecommunication equipment, ensuring stable operation.
• Automotive Electronics: Can be used in automotive applications where a stable 5V supply is needed for electronic control units (ECUs) and other automotive electronics.
• Medical Devices: Ensures reliable power delivery for low-power medical devices, contributing to the overall stability and safety of the equipment.

Conclusion of CS8321YDPR3

The CS8321YDPR3 is a robust linear voltage regulator designed to deliver a stable 5V output with a maximum current of 150mA. Its low dropout voltage, high input voltage range, and comprehensive protection features make it a reliable choice for a variety of applications. Despite being marked as obsolete, the CS8321YDPR3 remains a valuable component for applications requiring a stable and efficient power supply. Its surface-mount package and low quiescent current further enhance its suitability for modern, compact electronic designs.