MAP55-4003G

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AC DC Converters

The MAP55-4003G AC-DC Converter is a highly efficient AC to DC power conversion device, designed to supply regulated and reliable DC power from AC mains. It operates from a wide range AC input (85-264VAC, 47-63Hz) and provides an adjustable DC output (18-55V) at up to 400W continuous power.

Application Field

The MAP55-4003G AC-DC Converter has been used in various applications, such as commercial and industrial LED lighting systems, medical systems, communications and networking, printing and imaging, broadcast equipment and railway systems. It is also used in network power equipment, such as PoE (Power over Ethernet), UPS (Uninterruptible Power Supply) and DC/DC converters.

Working Principle

The MAP55-4003G AC-DC Converter is based on full bridge resonant topology with primary-side control technology. The input rectification and isolation is implemented by an advanced high-frequency transformer (HFT). The HFT also provides power factor correction (PFC) before the input rectification stage, allowing the device to efficiently draw input current from the power source in a way that is compliant with international regulations. The AC voltage is then rectified by the full bridge to ensure the efficiency and low output ripple voltage. The output voltage is then regulated by an advanced linear control system, which provides improved line and load regulation, remote On/Off, power fail warning, injection noise suppression and a wide-range of protection features.

Conclusion

In conclusion, the MAP55-4003G AC-DC Converter is an advanced device with wide AC input range and adjustable DC output range, as well as excellent power density and efficiency. It has been widely applied in various applications, due to its easy integration with existing equipment and excellent performance. The working principle is based on full bridge resonant topology with primary-side control technology, which provides excellent line and load regulation, remote On/Off control, power fail warning and a wide range of protection features.

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