MIC2876-4.75YMT-TR

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Power management integrated circuits (PMICs) are modern solutions used in many electronic devices to regulate voltage levels, or to convert from one voltage variation to another. A common example of a PMIC is the MIC2876-4.75YMT-TR, a DC-to-DC switching regulator. It belongs to a class of power management ICs known as voltage regulators.

Description of the MIC2876-4.75YMT-TR

The MIC2876-4.75YMT-TR is a miniature DC-to-DC switching regulator. It was specifically designed to provide a wide voltage range and high efficiency. The device is capable of regulating input voltages of up to 45V and output voltages of up to 4.75V. It is also claimed to be capable of achieving efficiencies of up to 90%.

The MIC2876-4.75YMT-TR features several features to ensure accuracy and reliability. It has an overvoltage protection switch, which helps protect the device from damage due to voltage spikes. The device also features low on resistance FETs and low dropout circuit techniques to ensure that the output is as stable and efficient as possible.

The MIC2876-4.75YMT-TR has a power supply current of 0.15A, and a maximum power dissipation of 2.95W. The device operates over a temperature range of -40°C to +125°C. It is available in a small 4-pin SOT-23 package.

Application Field and Working Principle

The MIC2876-4.75YMT-TR is commonly used in a variety of consumer electronics applications, including cell phones, tablets, PDAs, and digital cameras. It is also used in medical devices and industrial equipment. The device is particularly popular due to its high efficiency and wide input voltage range.

The working principle of the MIC2876-4.75YMT-TR is based on DC-to-DC switching regulation. This involves using switches to regulate the output voltage. These switches are permanently switched on and off at a predetermined frequency. The switching frequency can be adjusted by the user to provide the desired output voltage.

As the input voltage increases, the switching frequency is also increased. This ensures that the output voltage remains constant, as long as the input voltage is within the device\'s capacity. If the input voltage exceeds the device\'s maximum input voltage rating, it will shut off, preventing any further damage.

Conclusion

The MIC2876-4.75YMT-TR is an excellent choice for DC-to-DC switching regulator applications. It provides a wide voltage range, high efficiency, and good protection features. It is widely used in consumer, medical, and industrial devices, and is capable of providing a stable and efficient output voltage.

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