RP12-4805DA

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DC–DC converters are devices used to convert one DC voltage into another DC voltage. They are also known as voltage regulators, buck/boost, inverters, and choppers. The most common type of DC–DC converter used today is the switchmode, which uses a switch in order to turn the input power on and off, thus allowing the output voltage to be adjusted. One such switchmode converter is the RP12-4805DA.

Application Field

The RP12-4805DA is a step down regulator with wide input range and adjustable output. It is suitable for use in lighting, LED, LCD, medical equipment, computer power supplies, consumer electronics, communication systems and automotive applications. This highly efficient, cost effective module is designed to provide a regulated output up to 5A. The RP12-4805DA permits a variety of applications with its adjustable output function, allowing it to be used for a range of different products.

Working Principle

The RP12-4805DA is a non-isolated buck-boost module with a synchronous rectification circuit. A buck circuit reduces voltage by “chopping” incoming voltage, dropping voltage in proportion to the amount of current that it is fed with. The boost circuit increases voltage by storing energy with a capacitor and then releasing it. GND pins can build a battery voltage tracking circuit, in which the output voltage can be adjusted by varying the voltage of the battery.

The RP12-4805DA has a wide input range of 3V to 26V, and its output voltage can be adjusted from 0.9V to 15V. It can reach up to 90% efficiency, and it includes self-recovery over-current and short-circuit protection. It also has temperature protection and wide operating temperature range. The module is able to provide high performance up to 5A.

In summary, the RP12-4805DA is a switch-mode DC-DC converter that is capable of providing a wide range of adjustable output voltages, thanks to its adjustable output function. Its synchronous rectification circuit offers high efficiency and reliability, along with temperature and over-current protections. It is suitable for a wide range of applications, including lighting, LED, LCD, consumer electronics, communication systems and automotive applications.

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