onsemi

MC33275ST-3.0T3

MC33275ST-3.0T3 Description

The MC33275ST-3.0T3 is a linear regulator IC designed for power management applications, offering a fixed output voltage of 3.0V with a maximum output current of 300mA. Manufactured by onsemi, this device is housed in a Surface Mount SOT223 package, making it suitable for compact and efficient power supply designs. Despite being marked as obsolete, the MC33275ST-3.0T3 remains a reliable choice for applications requiring a stable and low dropout voltage regulator.

MC33275ST-3.0T3 Features

• Fixed Output Voltage: Provides a stable 3.0V output, ensuring consistent power delivery to sensitive electronics.
• Low Dropout Voltage: With a maximum dropout voltage of 0.5V at 300mA, the MC33275ST-3.0T3 maintains efficiency even when the input voltage is close to the output voltage.
• High Input Voltage Range: Capable of handling input voltages up to13V, offering flexibility in power source selection.
• Low Quiescent Current: Consumes only 200 µA in quiescent mode, minimizing power loss and enhancing overall system efficiency.
• High Power Supply Rejection Ratio (PSRR): Achieves 75dB at 120Hz, effectively filtering out noise and ripple from the input power supply.
• Protection Features: Includes over-current and over-temperature protection, safeguarding the IC and connected components from damage.
• Moisture Sensitivity Level:SL M 1 (Unlimited), ensuring the device is robust against moisture-related issues during storage and assembly.
• Packaging: Supplied in a Tape & Reel (TR) format, facilitating automated assembly processes.

MC33275ST-3.0T3 Applications

The MC33275ST-3.0T3 is ideal for a variety of applications where a stable and efficient power supply is crucial. Its low dropout voltage and high PSRR make it particularly suitable for battery-powered devices, where input voltage levels can vary significantly. Key applications include:

• Consumer Electronics: Ideal for portable devices such as smartphones, tablets, and wearable technology, where compact size and high efficiency are paramount.
• Industrial Equipment: Suitable for low-power sensors and control systems that require a stable power supply in varying environmental conditions.
• Medical Devices: Provides reliable power for medical instruments and diagnostic equipment, ensuring accurate and consistent performance.
• Telecommunications: Used in low-power communication modules and IoT devices, where efficient power management is essential for extended battery life.

Conclusion of MC33275ST-3.0T3

The MC33275ST-3.0T3 from onsemi is a robust and efficient linear regulator IC, offering a fixed 3.0V output with a maximum current of 300mA. Its low dropout voltage, high PSRR, and protection features make it a reliable choice for a wide range of applications, particularly in battery-powered and low-power systems. Despite its obsolete status, the MC33275ST-3.0T3 continues to provide excellent performance and stability, making it a valuable component for engineers and designers in the electronics industry.