onsemi

MC33275ST-3.0T3G

MC33275ST-3.0T3G Description

The MC33275ST-3.0T3G is a fixed-output linear voltage regulator designed by onsemi, a leading manufacturer in the power management sector. This regulator is part of the Power Management Integrated Circuit (PMIC) category and is housed in a Surface Mount SOT223 package. It offers a fixed output voltage of 3V and can deliver a maximum output current of 300mA. The regulator is designed to operate with a maximum input voltage of 13V and features a low dropout voltage of 0.5V at 300mA, ensuring efficient power conversion even at low input-to-output voltage differentials.

MC33275ST-3.0T3G Features

• Fixed Output Voltage: The MC33275ST-3.0T3G provides a stable output voltage of 3V, making it suitable for applications requiring a precise and consistent power supply.
• Low Dropout Voltage: With a maximum dropout voltage of 0.5V at 300mA, this regulator ensures high efficiency and minimal power loss, even when operating near the dropout point.
• Over Current and Over Temperature Protection: The regulator includes built-in protection features to safeguard against overcurrent and overtemperature conditions, enhancing reliability and longevity.
• Low Quiescent Current: The device operates with a quiescent current of only 200 µA, which is beneficial for low-power and battery-operated applications.
• High Power Supply Rejection Ratio (PSRR): The MC33275ST-3.0T3G boasts a PSRR of 75dB at 120Hz, effectively reducing noise and ripple in the output voltage.
• Surface Mount Packaging: The SOT223 package is ideal for surface mount applications, providing a compact and robust solution for modern electronic designs.
• Compliance and Status: The regulator is REACH Unaffected and ROHS3 Compliant, ensuring it meets environmental and safety standards. It is also categorized under ECCN EAR99 and HTSUS 8542.39.0001, facilitating international compliance and trade.

MC33275ST-3.0T3G Applications

The MC33275ST-3.0T3G is well-suited for a variety of applications where a stable and efficient power supply is essential. Its low dropout voltage and high PSRR make it ideal for:

• Consumer Electronics: Portable devices such as smartphones, tablets, and wearables benefit from the low quiescent current and high efficiency of this regulator.
• Industrial Equipment: The regulator's robustness and protection features make it suitable for industrial applications where reliability and durability are paramount.
• Telecommunications: In base stations and other telecom equipment, the MC33275ST-3.0T3G can provide stable power to critical components.
• Automotive Systems: The regulator's compact size and surface mount packaging are advantageous for automotive applications where space is limited.

Conclusion of MC33275ST-3.0T3G

The MC33275ST-3.0T3G is a versatile and efficient linear voltage regulator designed for applications requiring a stable 3V output. Its low dropout voltage, high PSRR, and low quiescent current make it an excellent choice for low-power and battery-operated devices. The built-in protection features and compact SOT223 package further enhance its appeal for modern electronic designs. Despite being marked as obsolete, the MC33275ST-3.0T3G remains a reliable option for applications where its unique features and performance benefits are required.