RP40-4812SG Power Supplies - Board Mount

DC DC Converters

DC-DC converters are electronic circuits that convert a DC input into an AC output of the same or different voltage level as the input. In the strictest sense, it is an AC device, but it is most commonly used for DC applications. Its versatility has made it a popular choice for a variety of electronic applications. RP40-4812SG is one of the most popular DC DC converters.

Application Field

RP40-4812SG is an isolated DC DC converter which supports input voltage from 40V to 48V and can output 12V DC with a maximum output current of 1.2A and total power of 14.4W. Therefore, RP40-4812SG is suitable for small-power applications, such as digital display, security monitoring, communications, handheld devices, household appliances, LED lighting, automotive electronics, and so on.

Working Principle

The working principle of RP40-4812SG is similar to that of other DC DC converters. It is composed of input circuit, power conversion circuit, output circuit and protection circuit. The input circuit rectifies the input AC current from the input power supply and converts it into DC voltage. The power conversion circuit is used to convert the DC voltage from the input circuit into a DC voltage whose level is adjustable in the range of the output voltage. The output circuit is used to stabilize the output voltage and output current, then to rectify the output voltage and current to the desired output voltage level. Finally, the protection circuit is used to protect the device against overload, over current or over voltage, short circuit and other operating conditions.

Conclusion

RP40-4812SG is a DC DC converter suitable for small-power applications, such as digital display, security monitoring, communications, handheld devices, household appliances, LED lighting, automotive electronics, and so on. With its adjustable output voltage, it is an ideal choice for a variety of DC applications. The working principle of RP40-4812SG is similar to that of other DC DC converters, using rectification, power conversion, output stabilization and protection circuits.