MGW1R51215 Power Supplies - Board Mount

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DC-DC converters are devices that convert direct current (DC) from one voltage to another voltage. The MGW1R51215 is a externally powered DC-DC converter that is designed for telecom and datacom markets. It features high efficiency, up to 90%, as well as a wide input voltage range from 17.5V to 67.5V.

It is primarily designed for use as a step-down converter, and the output voltage is adjustable from 0.8V to 5.5V. It also has a low minimum load and a built-in soft-start functionality. The device can be used in a number of applications, including power over Ethernet (PoE) systems, Ethernet switches, routers, industrial controls, security systems, and more.

MGW1R51215 Application Field

The MGW1R51215 DC-DC converter is specifically designed for use in telecom and datacom markets. It can be used in a variety of applications, such as PoE systems, Ethernet switches, routers, industrial controls, security systems, and more. The device can easily provide the required power for such applications thanks to its high efficiency and wide input voltage range.

The MGW1R51215 can also be used in a number of other applications, such as distributed power systems. These systems are used to power multiple devices from a central power source, and the MGW1R51215 can provide an efficient solution in such scenarios.

MGW1R51215 Working Principle

The MGW1R51215 is based on a synchronous buck converter topology. In this topology, an external DC voltage is connected to the input of the converter and is then converted to a fixed output voltage. The set-up consists of a high-side switch, low-side switch, inductor, capacitor, and a voltage regulator/current limiter.

The external voltage is connected to the high-side and low-side switches. When the high-side switch is turned on, current flows through the inductor and charges up the output capacitor. When the high-side switch is turned off, the stored energy in the inductor is discharged and the output voltage is generated. The voltage regulator/current limiter is used to limit the current so that the converter doesn’t exceed its maximum output current.

The MGW1R51215 also features programmable switching frequency and soft-start functionality. The switching frequency is adjustable from 200kHz to 1MHz, and the soft-start can be programmed to reduce the output voltage in a gradual manner, allowing the system to slowly ramp up to its normal operating voltage.

The MGW1R51215 DC-DC converter is an excellent choice for telecom and datacom applications, as well as other scenarios where a reliable and efficient DC-DC converter is required. It features a wide input voltage range, high efficiency, adjustable switching frequency, and programmable soft-start functionality, making it an ideal solution for a variety of applications.

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