LEA75F-5

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AC DC Converters

The LEA75F-5 series AC/DC converters are designed for reliable operation under a variety of industrial applications. The 2-phase AC/DC converters are capable of converting AC mains power into DC output voltages ranging from 12V to 48V and delivering up to 500W of power. The LEA75F-5 converters offer a wide array of features including active power factor correction, over current, over voltage, and over temperature protection, as well as a built-in EMI filter. The series is also highly efficient with a full load efficiency of up to 90%.

Features of LEA75F-5 AC/DC converters:

• Wide input voltage range (85V to 264VAC, 127 to 370VDC)
• High efficiency up to 90%
• Built-in EMI filter
• Over current, over voltage, and over temperature protection
• UL, CE, and CB certified

Applications of LEA75F-5 AC/DC converters:

The LEA75F-5 series is ideal for a wide range of applications such as:

• Industrial automation and process control systems
• Test and measurement instruments
• Industrial servers
• Medical and safety equipment
• Power supplies for communication systems
• Broadcast, recording, and storage systems

Working Principle of LEA75F-5 AC/DC converter:

The LEA75F-5 series of AC/DC converters consists of a power factor correction (PFC) circuit, an AC-DC rectifier stage, and a DC-DC conversion circuit. The PFC circuit boosts the power efficiency of the input AC mains power by ensuring that the current waveform is in phase with the voltage waveform. The AC-DC rectifier stage then converts the incoming AC into a DC voltage. Finally, the DC-DC conversion stage regulates the DC output voltage and current to the desired values. The entire system is controlled and monitored by an integrated microcontroller.

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