MGW61212

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DC-DC converters are a type of power supply that converts direct current (DC) to direct current (DC). The MGW61212 is a type of DC-DC converter that contains the features necessary to provide a regulated voltage for higher power applications, while still offering high power efficiency, small size, low cost, and high input voltage range.

Introduction of MGW61212

The MGW61212 is a high frequency DC-DC buck converter from Monolithic Power Systems (MPS). It is a monolithic, integrated buck-boost DC-DC converter, which includes a controller, two buck regulators and two buck-boost regulators. It is specifically designed for automotive and industrial applications and provides continuous power without additional components. MGW61212 is offered in a variety of package types, including the QFN-36, which makes it ideal for space-restricted applications.

Features of MGW61212

The MGW61212 offers many features that make it ideal for a variety of applications. It features an adjustable output range of 4.5V to 28V, allowing it to work in a wide range of input voltages. It also has a constant frequency (1MHz) with adjustable switching frequency for improved efficiency. The MGW61212 also has an over-current protection and thermal shutdown, providing additional safety. In addition, the MGW61212 includes two pre-biased low drop-out buck regulator stages with 4.5V to 28V voltage range and 0.6A to 3A peak load currents, with the ability to provide a maximum output power of 28W.

Applications of MGW61212

The MGW61212 is a versatile device that can be used in a variety of applications. It is ideal for automotive and industrial applications, as it provides continuous power without additional components. It is also suitable for LED drivers, telecom power supplies, industrial motors, and many other commercial and consumer applications.

Working Principle of MGW61212

The MGW61212 is a DC-DC buck converter that works on the principle of inductive step-down conversion. It converts a higher input voltage to a lower output voltage using a switching transistor. The transistor is connected in series with the input voltage and in parallel with a series inductor and a shunt capacitor, which form the buck converter. The transistor is switched on and off at a constant frequency, which creates a current through the inductor. When the transistor is off, the stored energy in the inductor causes the output voltage to rise. When the transistor is on, the stored energy is dissipated as heat and the output voltage decreases. The output voltage can be adjusted by varying the switching frequency of the transistor.

Conclusion

The MGW61212 is a high frequency DC-DC buck converter from Monolithic Power Systems, and is specifically designed for automotive and industrial applications. It offers a wide range of features, such as adjustable output range, constant frequency, over-current protection, and thermal shutdown, making it ideal for a variety of applications. The MGW61212 works on the principle of inductive step-down conversion, where a higher input voltage is converted to a lower output voltage. Overall, the MGW61212 is an excellent choice for a wide range of applications.

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