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MC33275D-3.0R2  

Linear & Switching Voltage Regulators

MC33275D-3.0R2 Description

The MC33275D-3.0R2 is a linear voltage regulator designed for applications requiring a stable 3V output with a maximum input voltage of 13V. Manufactured by onsemi, this regulator is part of the Power Management Integrated Circuits (PMIC) category and is housed in an 8-pin SOIC package. Despite being marked as obsolete, the MC33275D-3.0R2 remains a reliable choice for applications where a fixed output configuration and a maximum dropout voltage of 0.5V at 300mA are essential. 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, making it robust and reliable for various electronic systems.

MC33275D-3.0R2 Features

• Output Type: Fixed at 3V, ensuring a stable power supply for sensitive electronics.
• Input Voltage Range: Up to 13V, providing flexibility in power source selection.
• Output Current: Capable of delivering up to 300mA, suitable for low to medium power applications.
• Low Dropout Voltage: A maximum of 0.5V at 300mA, allowing for efficient operation even at low input-to-output voltage differentials.
• Quiescent Current: Low at 200 µA, minimizing power consumption in standby mode.
• PSRR: 75dB at 120Hz, ensuring high noise rejection and clean output voltage.
• Protection Features: Over-current and over-temperature protection safeguard the regulator and connected components.
• Mounting Type: Surface mount, ideal for compact and high-density PCB designs.
• Moisture Sensitivity Level (MSL): Level 1 (Unlimited), suitable for a wide range of manufacturing environments.
• Package: Tape & Reel (TR), facilitating automated assembly processes.

MC33275D-3.0R2 Applications

The MC33275D-3.0R2 is well-suited for a variety of applications where a reliable and efficient power supply is crucial. Its low dropout voltage and fixed output make it ideal for battery-powered devices, consumer electronics, and industrial control systems. Specific use cases include:

• Battery-Powered Devices: Ideal for portable electronics where battery life and efficiency are paramount.
• Consumer Electronics: Suitable for applications requiring stable power supply, such as audio amplifiers and low-power sensors.
• Industrial Control Systems: Provides a reliable power source for control modules and microcontrollers.
• Telecommunications: Can be used in low-power communication devices and base stations.

Conclusion of MC33275D-3.0R2

The MC33275D-3.0R2 from onsemi is a versatile linear voltage regulator that offers a stable 3V output with a maximum input voltage of 13V. Its low dropout voltage, low quiescent current, and high PSRR make it an efficient and reliable choice for a wide range of applications. Despite being marked as obsolete, the MC33275D-3.0R2 remains a valuable component for designers seeking a robust and efficient power management solution. Its surface mount package and moisture sensitivity level of 1 (Unlimited) ensure ease of integration into modern manufacturing processes. For applications requiring a fixed 3V output and a maximum dropout voltage of 0.5V at 300mA, the MC33275D-3.0R2 stands out as a reliable and efficient option.

MC33275D-3.0R2 Documents

Download datasheets and manufacturer documentation for MC33275D-3.0R2

Datasheets :

MC33275, NCV33275      

PCN Obsolescence/ EOL :

Multiple Devices 27/Jun/2007      

HTML Datasheet :

MC33275, NCV33275      

Environmental Information :

onsemi RoHS       onsemi REACH