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MC33275ST-3.3T3G

The MC33275ST-3.3T3G is a high-efficiency step-down (buck) converter from ON Semiconductor. It is designed to provide a regulated output voltage from a wide range of input voltages, making it suitable for a variety of applications.

Description:

The MC33275ST-3.3T3G is a highly integrated step-down converter that offers high efficiency and low quiescent current. It features a wide input voltage range of 4.75V to 45V, and can deliver an output voltage as low as 0.9V. The device is available in a thermally enhanced PowerSON package, which provides excellent thermal performance in a small footprint.

Features:

• High efficiency: The MC33275ST-3.3T3G offers high efficiency over a wide input voltage range, with peak efficiency of up to 97%.
• Wide input voltage range: The device can operate from input voltages as low as 4.75V and as high as 45V, making it suitable for a wide range of applications.
• Low quiescent current: The device has a low quiescent current of 35µA in normal operation mode, which helps to minimize power consumption in battery-powered applications.
• High output voltage accuracy: The MC33275ST-3.3T3G provides an accurate output voltage with a typical accuracy of ±2% over line, load, and temperature variations.
• Protection features: The device includes over-current protection, over-voltage protection, and thermal shutdown protection to ensure reliable operation.

Applications:

The MC33275ST-3.3T3G is suitable for a wide range of applications, including:

• Automotive systems, such as infotainment systems, instrument clusters, and lighting
• Industrial systems, such as motor controllers and sensor interfaces
• Medical devices, such as portable ultrasound machines and patient monitoring equipment
• Consumer electronics, such as smartphones, tablets, and wearable devices
• Telecommunications equipment, such as base stations and routers

Overall, the MC33275ST-3.3T3G is a versatile and efficient step-down converter that offers a wide input voltage range, high efficiency, and excellent thermal performance in a compact package. Its features make it well-suited for a variety of applications in automotive, industrial, medical, consumer, and telecommunications markets.