MPM3682GRE

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DC-DC converters are used in a variety of applications to provide a regulated output voltage from an unregulated or alternate voltage input. A well-known example is the MPM3682GRE DC-DC converter, which is designed for use in consumer and automotive applications, safety-critical systems, and as an auxiliary power supply for high power loads. This article will discuss the application field and working principle of the MPM3682GRE.

The MPM3682GRE is a high-performance DC-DC converter designed for applications that require precise voltage regulation and steady-state accuracy. It features a high efficiency of up to 93%, a wide operating input range of 4.5 V to 16 V, and an adjustable output voltage of 1.5 V to 15 V. It can safely deliver up to 1.5 A of continuous output current, with a peak current of 3 A for up to 150 ms.

The MPM3682GRE features a stressed-bus-conduction mode that allows it to operate at low output voltages without conducting a large amount of output current. This can result in increased efficiency and longer operating life. The converter also has a comprehensive set of protection features, including overcurrent and over-temperature protection, to protect the circuit from harm and ensure reliable operation. It also has a low temperature coefficient for improved accuracy, and a high frequency of 400 kHz, which allows it to deliver the highest energy conversion efficiency in its class.

The working principle of the MPM3682GRE is based on a Buck topology. The input voltage is rectified and filtered, then it is fed to a high-speed control switch. This switch determines the on/off period and thus determines the output voltage. When the switch is open, the output voltage is reduced. When the switch is closed, the current flows and the output voltage rises. The output voltage is then regulated by the feedback loop, which compares the output voltage to the reference voltage and adjusts the switch accordingly.

The MPM3682GRE is a high-performance DC-DC converter that can provide precise voltage regulation and steady-state accuracy in a wide range of applications. Its high efficiency, comprehensive protection features, low temperature coefficient, and high switching frequency make it an ideal choice for applications requiring high-efficiency power supplies. It is also suitable for automotive, safety critical systems, and auxiliary power supply for high power loads.

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