REC3-053.3SRW/H4/A/X2

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DC–DC converters are power electronic devices used to step-down higher DC voltage into lower DC voltage. The REC3-053.3SRW/H4/A/X2 DC-DC converter is a fully integrated, off-line converter with an internal power switch. It has wide operating range, high efficiency, and excellent thermal performance and operates in temperatures from -40 to +85 degrees Celsius.

The REC3-053.3SRW/H4/A/X2 can be applied in a wide range of applications, such as automotive, industrial, communication, IT, and consumer electronics, where a regulated DC output is needed. It is a non-isolated, reverse current, buck-mode switching regulator with a wide input voltage range of 8-20V. It has an adjustable output voltage, up to a maximum of 5.3V, and can handle up to 3A of output current. It also includes features such as over-temperature protection, under-voltage protection, current-limiting protection, and over-voltage protection.

The working principle of the REC3-053.3SRW/H4/A/X2 converter is relatively simple. It uses a buck converter topology that consists of a power switch, an inductor, a diode, and a capacitor. The power switch turns on and off periodically, allowing current to flow through the inductor and the diode. When the switch is on, current flow increases and the inductor stores energy in the form of a magnetic field. When the switch is off, the current decreases and the inductor releases the magnetic field, generating a voltage. The capacitor stores energy and provides a steady output voltage.

To get the desired output voltage, the converter uses a control circuit that adjusts the frequency of the switch. The higher the frequency, the lower the output voltage, and conversely, the lower the frequency, the higher the output voltage. The frequency of the switch can be adjusted either manually or using pulse width modulation (PWM) control, depending on the application.

Overall, the REC3-053.3SRW/H4/A/X2 DC–DC converter is a highly reliable, general-purpose device that is suitable for applications where a regulated DC output is needed. It offers a wide input voltage range, an adjustable output voltage up to 5.3V, and robust protection features that improve its reliability and durability. Additionally, its simple working principle makes it easy to use and implement.

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