onsemi

MC33275DT-5.0

MC33275DT-5.0 Description

The MC33275DT-5.0 is a linear voltage regulator designed by onsemi, offering a fixed output voltage of 5V and a maximum output current of 300mA. This device is packaged in a DPAK format, making it suitable for surface mount applications. Despite being marked as obsolete, the MC33275DT-5.0 remains a reliable choice for applications requiring a stable power supply with a low dropout voltage of 0.5V at 300mA. The regulator features a quiescent current of 200 µA and a power supply rejection ratio (PSRR) of 75dB at 120Hz, ensuring minimal noise and high performance. It also includes over-current and over-temperature protection features, enhancing its reliability and safety in various electronic circuits.

MC33275DT-5.0 Features

• Fixed Output Voltage: The MC33275DT-5.0 provides a stable 5V output, making it ideal for applications requiring a consistent power supply.
• Low Dropout Voltage: With a maximum dropout voltage of 0.5V at 300mA, this regulator ensures efficient power delivery even under varying input conditions.
• High PSRR: The 75dB PSRR at 120Hz minimizes the impact of power supply noise, resulting in cleaner output voltage.
• Protection Features: Over-current and over-temperature protection ensure the device operates safely, preventing damage from excessive current or heat.
• Low Quiescent Current: The 200 µA quiescent current reduces power consumption, making the regulator suitable for low-power applications.
• Surface Mount Compatibility: The DPAK package is designed for surface mount technology, facilitating integration into compact and high-density PCB designs.
• Moisture Sensitivity Level: MSL 1 (Unlimited) indicates that the device is not sensitive to moisture, simplifying storage and handling processes.

MC33275DT-5.0 Applications

The MC33275DT-5.0 is well-suited for a variety of applications where a reliable and efficient power supply is crucial. Some specific use cases include:

• Consumer Electronics: Ideal for powering small devices such as portable audio players, digital cameras, and other low-power consumer electronics.
• Industrial Equipment: Suitable for powering sensors, microcontrollers, and other low-power components in industrial control systems.
• Medical Devices: Can be used in low-power medical devices where stability and reliability are paramount.
• Telecommunications: Provides a stable power supply for low-power communication modules and peripherals.

Conclusion of MC33275DT-5.0

The MC33275DT-5.0 is a robust linear voltage regulator that offers a combination of high performance and reliability. Its low dropout voltage, high PSRR, and protection features make it a standout choice for applications requiring a stable and efficient power supply. Despite its obsolete status, the MC33275DT-5.0 remains a viable option for engineers looking for a dependable regulator in a compact DPAK package.