VMS-60-5

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AC DC converters are used to convert alternating current (AC) into direct current (DC). The VMS-60-5 is an example of such a converter that has been used in a variety of applications and can be relied upon to provide reliable, stable power. This article will explain the application field of the VMS-60-5 and its working principle.

Application Field of VMS-60-5

The VMS-60-5 is a 60-Vdc DC-DC converter that is able to accommodate up to 5 A of continuous output current. It is specifically designed to serve as an intermediate power bus for offline non-isolated DC systems. It can be used as a stand-alone converter or integrated into a power system. It is ideal for use in applications that require high power density and wide temperature range operation. Common applications include LED driver, motor control, appliance control, and industrial automation.

Working Principle of VMS-60-5

The VMS-60-5 is designed to work with an AC input voltage between 90 VAC to 264 VAC or DC input voltage from 80 VDC to 360 VDC. When AC input voltage is applied, an on-board bridge rectifier converts the AC voltage to DC while shielding the circuit from line transients. The DC voltage is then regulated by an internal controller and the wide output voltage range is achieved using a voltage over-load (VOM) circuit. The VMS-60-5 utilizes synchronous rectification and active-clamp reset to achieve maximum power efficiency and reliable operation. The high power efficiency also eliminates the need for a large heat sink or bulky cooling system.

The VMS-60-5 is also equipped with multiple protection features to ensure a safe and reliable operation. It is protected from input over-voltage, input under-voltage, output over-voltage, output short-circuit, over-temperature, and over-current conditions. It also includes current fold back and output voltage standby features for added protection.

Conclusion

The VMS-60-5 is an AC DC converter designed for use in offline non-isolated DC systems. It can support up to 5 A of continuous current output and is protected from a wide range of conditions. Its high power density and reliable operation make it an ideal choice for applications such as LED driver, motor control, appliance control, and industrial automation. Its working principle is based on an on-board bridge rectifier, an internal voltage regulator, and synchronous rectification with active clamp reset.

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