onsemi

CS8321YT3G

CS8321YT3G Description

The CS8321YT3G is a linear regulator IC designed for power management applications, offering a fixed output voltage of 5V and capable of delivering up to 150mA of output current. Manufactured by onsemi, this device is housed in a through-hole TO220AB package, making it suitable for a variety of industrial and consumer electronics applications. Despite its obsolete product status, the CS8321YT3G remains a reliable choice for applications requiring a stable power supply with a maximum input voltage of 45V. With a dropout voltage of only 0.5V at 150mA, this regulator ensures efficient power conversion even under varying load conditions. The device also features reverse polarity and short-circuit protection, enhancing its robustness and reliability in demanding environments.

CS8321YT3G Features

• Fixed Output Voltage: The CS8321YT3G provides a stable 5V output, ensuring consistent power supply to connected devices.
• High Input Voltage Range: With a maximum input voltage of 45V, this regulator can handle a wide range of input voltages, making it versatile for various applications.
• Low Dropout Voltage: At 0.5V dropout voltage at 150mA, the CS8321YT3G maintains high efficiency even at lower input-to-output voltage differentials.
• Protection Features: Integrated reverse polarity and short-circuit protection safeguard the regulator and connected circuits from damage.
• Low Quiescent Current: A quiescent current of 200 µA ensures minimal power consumption during standby, enhancing overall system efficiency.
• High PSRR: With a power supply rejection ratio (PSRR) of 75dB at 120Hz, the CS8321YT3G effectively filters out noise from the input supply, providing clean output power.
• Through-Hole Mounting: The TO220AB package is designed for through-hole mounting, facilitating easy integration into PCB designs and ensuring mechanical stability.

CS8321YT3G Applications

The CS8321YT3G is ideal for applications requiring a stable 5V power supply with moderate current capabilities. Its robust design and protection features make it suitable for:

• Consumer Electronics: Powering devices such as set-top boxes, DVD players, and small appliances.
• Industrial Equipment: Providing reliable power to control boards, sensors, and actuators in industrial settings.
• Telecommunications: Ensuring stable power supply to communication modules and peripheral devices.
• Automotive Electronics: Suitable for non-critical automotive applications where a stable power source is required.

Conclusion of CS8321YT3G

The CS8321YT3G is a versatile linear regulator IC that offers a stable 5V output with a maximum current of 150mA. Despite being marked as obsolete, its robust design, low dropout voltage, and comprehensive protection features make it a reliable choice for various power management applications. The through-hole TO220AB package ensures easy integration into PCB designs, while its high PSRR and low quiescent current contribute to overall system efficiency. Whether used in consumer electronics, industrial equipment, or automotive applications, the CS8321YT3G provides a dependable power solution for a wide range of devices.