LPS353-CEF Power Supplies - External/Internal (Off-Board)

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AC/DC converters play an extremely important role in many aspects of our daily lives, and the LPS353-CEF is one of the most reliable and versatile AC/DC converters available. The LPS353-CEF is designed to provide rectified DC power more efficiently than traditional transformer-based rectifiers, by eliminating the need for a transformer for low-frequency applications.

The LPS353-CEF is a single-phase, 24V, 3.5kW AC-DC converter with Ultra Fast Diode (UFD) and energy efficiency that exceeds 94%. This converter is designed for applications where there is frequent on/off cycling, such as powering motors or other loads that suddenly require large amounts of power. The LPS353-CEF features dual isolated outputs, allowing for uninterruptible power supply in case of fluctuation or interruption in the incoming power. It also has an onboard DC boost circuit that can supply up to 4kW of peak power.

The working principle of the LPS353-CEF is relatively simple. The converter takes in an AC voltage input and rapidly charges a pair of high-power Ultra Fast Diodes (UFDs). During the charging phase, the UFDs’ stored energy is quickly discharged, creating a high-power DC voltage output. The UFDs store energy only during the AC input period, and discharge it rapidly during the DC output period, allowing for efficient and reliable conversion of AC to DC power.

The LPS353-CEF has a wide range of applications in the industrial market, including power supplies for SCADA systems, frequency inverters, motor-drive systems, renewable energy sources, welding systems, and other industrial applications that require high efficiency and reliability at a low cost. Additionally, its wide input voltage range allows it to be used in countries with either 110 or 220V AC power systems.

In summary, the LPS353-CEF is a reliable and versatile AC-DC converter with up to 94% energy efficiency and dual isolated outputs. It is suitable for a wide range of industrial applications and is especially useful for applications that require frequent on/off cycling due to its high-power UFDs. Moreover, its wide input voltage range allows it to be used around the world.

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