REM3-2405S/A/CTRL Power Supplies - Board Mount

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DC-DC converters are used to convert a direct current (DC) input to a regulated voltage at an output that is either higher or lower than the source input voltage. The REM3-2405S/A/CTRL is an example of such a DC-DC converter. It is an integrated, fixed-frequency, and isolated DC-DC controller, designed for synchronous buck topology. The REM3-2405S/A/CTRL is suitable for a wide range of industrial and communications applications.

The application field of the REM3-2405S/A/CTRL converter includes, but is not limited to, high-power computing, distributed power systems, and wireless charging applications. It can be used as a power source in a system with a wide input voltage range as it provides adjustable output voltage and current limitation. It is also suitable for distributed power systems that require a consistent, low-voltage output. The synchronous buck topology ensures tight output, voltage regulation, and fast transient response.

In terms of working principle, the REM3-2405S/A/CTRL converter works by using a high-efficiency synchronous buck topology. It contains three basic functional blocks, namely the voltage regulator, error amplifier, and PWM controller. The voltage regulator senses the input voltage and regulates the output voltage. The error amplifier compares the sensed input voltage with the reference voltage and generates a control signal that is fed to the PWM controller. The PWM controller modulates the ratio of time period that the input voltage is applied and switched through the buck converter. This causes a reduction in the input voltage and maintains the output voltage at a stable and regulated level.

The REM3-2405S/A/CTRL has several features to ensure increased efficiency and performance including a wide input voltage range of 4.5V~60V, adjustable output voltage range of 0.8V~30V, and high efficiency up to 96%. It also has a reduced-external-component count, integrated power devices, and an integrated 45V/25A power switch. The integrated power devices reduce noise, increase stability, and reduce power losses. Additionally, the integrated switch increases efficiency and reduces switching losses.

The REM3-2405S/A/CTRL converter also has a few protective features that enable the converter to be used in demanding conditions. It has current-mode PFM/PWM control that provides improved efficiency with light-load operation as well as over-temperature shutdown for safety purposes. It also has a programmable soft start, which slowly ramps the output voltage to a desired level eliminating the shock to the system due to an abrupt change in voltage.

Thus, the REM3-2405S/A/CTRL is a versatile DC-DC converter that can be used in a variety of applications. Its features such as wide input voltage range, adjustable output voltage range, integrated power devices, over-temperature shutdown, and programmable soft start, make it an attractive choice for many industrial and communications applications.

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