MPM3805GQB-12-Z

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DC-DC converters, such as the MPM3805GQB-12-Z, provide highly efficient, flexible, and reliable power solutions. They are used in a range of applications including industrial, commercial, medical, telecommunications, and other technical fields to provide precise control over voltage, current, and power. This article will provide an overview of the application field and working principle of the MPM3805GQB-12-Z.

Application Fields

The MPM3805GQB-12-Z is a single-phase, isolated DC-DC converter designed for use in desktop, telecom, and industrial applications. It can be used to convert a DC input voltage (12V to 48V) to a regulated DC output voltage (3.3V to 5V) with an efficiency of up to 91%. The module is available with or without current limit protection and has a wide operating temperature range from -40°C to 100°C.

The MPM3805GQB-12-Z is ideal for applications requiring a high efficiency, low-noise, and reliable power supply. It can be used in a variety of applications including telecom applications, industrial systems, renewable energy systems, home appliance control systems, and lighting systems. The module is also suitable for installations in high vibration environments.

Working Principle

The MPM3805GQB-12-Z is a DC-DC converter that operates using a buck topology. A buck converter, also known as a step-down converter, is a type of DC-DC power converter that decreases an input voltage to a lower output voltage. It is designed with a inductor, a diode, and a switch connected in series with the input and output circuits.

The switching action of the buck converter works as follows: When the switch is on, the input voltage is applied to the inductor, causing it to store energy in the form of a magnetic field. When the switch is off, the stored energy in the inductor is discharged through the diode to the output circuit, providing the lower output voltage.

The MPM3805GQB-12-Z’s switching frequency can be adjusted from 350 kHz to 600 kHz for optimal efficiency. It also has a built-in inductor, eliminating the need for an external inductor and reducing overall component count. In addition, the module includes under-voltage lockout, over-voltage protection, short-circuit protection, and programmable current limit for safety and reliability.

Conclusion

The MPM3805GQB-12-Z is an ideal DC-DC converter solution for a variety of applications. It offers a wide operating temperature range, high efficiency, low noise, and reliable power delivery. Furthermore, with its built-in inductor and adjustable switching frequency, it simplifies system design and minimizes component counts. Whether it’s powering a telecom application, an industrial system, or any other system, the MPM3805GQB-12-Z can provide reliable and efficient power.

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