LRS-200-4.2

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AC DC Converters

AC DC converters are devices used for changing electrical energy from one form to another. The input can be an alternating current (AC) while the output can be a direct current (DC). AC/DC converters are commonly used in many industrial applications as well as electronic devices, such as power supplies, power converters, and regulators.

LRS-200-4.2 Application Field and Working Principle

The LRS-200-4.2 AC/DC converter is a high-efficiency single-phase non-isolated AC/DC converter module designed specifically for medium- and high-power applications. It features an operating frequency of up to 200 kHz, and can deliver up to 300W power with 85% efficiency. It is suitable for switching supplies such as UPS, power supplies, and other power conditioning applications.

The LRS-200-4.2 AC/DC converter uses a full-bridge forward converter topology with active PFC. The input current is sensed using the forward converter bridge, and there are two independent controllers working in parallel for improving power factor and conversion efficiency. The PFC converter is capable of maintaining the high power factor and high efficiency over a wide range of input voltage and load current.

The output of the LRS-200-4.2 AC/DC converter is a smooth DC voltage, which is adjustable over a wide range of voltage and current limits. This DC voltage can be used in many applications, including industrial, automotive, medical, and other specialized applications. The output is also over-voltage protected and short circuit protected, providing excellent reliability and safety for all applications.

The LRS-200-4.2 AC/DC converter also features an integrated interleaving switch mode topology, which improves its power factor, reduces its size, and lowers its noise level. This feature allows the device to be used in compact and lightweight applications. It also offers protection against input voltage overshoot, over temperature, and over current. Overall, the LRS-200-4.2 AC/DC converter is a reliable and efficient power conversion solution for a wide variety of applications.

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