onsemi

MC33375ST-5.0T3

MC33375ST-5.0T3 Description

The MC33375ST-5.0T3 is a fixed output linear regulator IC designed for applications requiring a stable 5V supply with a maximum output current of 300mA. Manufactured by onsemi, this device is part of the Power Management (PMIC) category and is housed in a Surface Mount SOT223 package. Despite being marked as obsolete, the MC33375ST-5.0T3 remains a reliable choice for applications where its specific technical attributes are still advantageous.

MC33375ST-5.0T3 Features

• Output Type: Fixed at 5V, ensuring a stable and consistent power supply.
• Input Voltage Range: Up to 13V, providing flexibility in input power sources.
• Output Current: Capable of delivering up to 300mA, suitable for a variety of low to medium power applications.
• Low Dropout Voltage: A maximum of 0.5V at 300mA, which allows the regulator to operate efficiently even with a small difference between input and output voltages.
• Low Quiescent Current: Only 200 µA, minimizing power consumption during standby or low-load conditions.
• High Power Supply Rejection Ratio (PSRR): 75dB at 120Hz, ensuring excellent noise filtering and stable output voltage.
• Control Features: Includes an enable function, allowing for dynamic control of the regulator’s operation.
• Protection Features: Over-current and over-temperature protection ensure robustness and reliability in various operating conditions.
• Moisture Sensitivity Level: MSL 1 (Unlimited), making it suitable for a wide range of manufacturing environments.
• Package: Tape & Reel (TR), facilitating automated assembly processes.

MC33375ST-5.0T3 Applications

The MC33375ST-5.0T3 is ideal for applications that require a reliable and efficient 5V power supply. Its low dropout voltage and high PSRR make it particularly suitable for:

• Consumer Electronics: Portable devices, where battery life and efficient power management are critical.
• Industrial Equipment: Control systems and sensors that demand stable power supply and low noise.
• Telecommunications: Base stations and other infrastructure equipment that require robust power regulation.
• Automotive Electronics: In-vehicle systems where the regulator’s low quiescent current and protection features are beneficial.

Conclusion of MC33375ST-5.0T3

The MC33375ST-5.0T3, despite being marked as obsolete, continues to offer significant advantages in power management applications. Its fixed 5V output, low dropout voltage, and high PSRR make it a reliable choice for ensuring stable and efficient power supply. The inclusion of over-current and over-temperature protection features further enhances its robustness, making it suitable for a wide range of industrial, consumer, and automotive applications. For engineers and designers looking for a proven and efficient linear regulator, the MC33375ST-5.0T3 remains a viable option.