onsemi

MC33275D-5.0

MC33275D-5.0 Description

The MC33275D-5.0 is a fixed-output linear voltage regulator designed by onsemi, offering a stable 5V output voltage with a maximum input voltage of 13V. This regulator is capable of delivering up to 300mA of output current, making it suitable for a variety of low-power applications. Despite its relatively low dropout voltage of 0.5V at 300mA, the MC33275D-5.0 ensures efficient power conversion even under varying load conditions. It features a quiescent current of 200 µA, contributing to its energy-efficient performance. The regulator is housed in an 8-pin SOIC package, which is ideal for surface-mount applications, providing a compact and reliable solution for space-constrained designs. The MC33275D-5.0 also includes over-current and over-temperature protection features enhancing, its robustness and reliability in demanding environments.

MC33275D-5.0 Features

• Fixed Output Voltage: The MC33275D-5.0 provides a stable 5V output, ensuring consistent power supply to connected devices.
• High Input Voltage Range: With a maximum input voltage of 13V, this regulator can accommodate a wide range of input sources, making it versatile for various applications.
• Low Dropout Voltage: At 0.5V dropout voltage at 300mA, the MC33275D-5.0 maintains high efficiency even when the input voltage is close to the output voltage.
• Low Quiescent Current: The 200 µA quiescent current minimizes power consumption during standby or low-load conditions.
• Over-Current and Over-Temperature Protection: These protection features safeguard the regulator and connected circuits from damage due to excessive current or temperature.
• Surface-Mount Package: The 8-pin SOIC package is suitable for surface-mount technology, offering a compact and reliable solution for modern electronic designs.
• High PSRR: With a power supply rejection ratio (PSRR) of 75dB at 120Hz, the MC33275D-5.0 effectively filters out noise from the input power supply, ensuring clean output voltage.
• Moisture Sensitivity Level: MSL 1 (Unlimited) indicates that the component is not sensitive to moisture, making it suitable for a wide range of environmental conditions.

MC33275D-5.0 Applications

The MC33275D-5.0 is ideal for applications requiring a stable and efficient 5V power supply with low power consumption. Some specific use cases include:

• Consumer Electronics: Ideal for powering small electronic devices such as portable audio players, handheld gaming consoles, and other low-power consumer electronics.
• Embedded Systems: Suitable for embedded systems where a reliable and efficient power supply is crucial, such as microcontroller boards, IoT devices, and smart sensors.
• Telecommunications: Can be used in low-power communication modules and devices, ensuring stable power delivery and minimal noise interference.
• Medical Devices: Applicable in medical equipment that requires a stable power supply and low noise levels, such as portable diagnostic devices and wearable health monitors.
• Automotive Applications: Suitable for automotive electronics where a compact and reliable power supply is needed, such as in-vehicle infotainment systems and electronic control units.

Conclusion of MC33275D-5.0

The MC33275D-5.0 is a robust and efficient linear voltage regulator that offers a stable 5V output with a maximum input voltage of 13V. Its low dropout voltage, low quiescent current, and high PSRR make it an excellent choice for low-power applications requiring high efficiency and minimal noise. The inclusion of over-current and over-temperature protection features ensures reliability and longevity, making it suitable for a wide range of applications in consumer electronics, embedded systems, telecommunications, medical devices, and automotive electronics. Despite its obsolete status, the MC33275D-5.0 remains a reliable and efficient solution for designers seeking a compact and dependable power supply component.