RP20-243.3SF Power Supplies - Board Mount

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DC-DC converters are devices that convert a DC power source into a different form of power, usually a lower voltage. RP20-243.3SF is a type of DC-DC converter manufactured by TDK Lambda. It is a DC-DC buck-boost converter designed for information and communication equipment applications, and it offers a wide input range of 9-36VDC or 18-75VDC.

The RP20-243.3SF is a single-phase, non-isolated switching converter with a wide constant-current operating range of up to 15A. It is capable of producing an output voltage of 12V, 24V, 28V, or 36VDC. It is also capable of an input voltage range of 9-36VDC or 18-75VDC. The RP20-243.3SF has a high efficiency due to its synchronous rectification and full-bridge topology, and its low profile and small footprint makes it suitable for use in space-constrained applications.

The RP20-243.3SF provides outstanding protections including thermal shutdown, input undervoltage lockout, output overvoltage protection, output short circuit protection, and over-current protection. It also features adjustable frequency and over-temperature protection. The output voltage can be adjusted via an external resistor or by an external voltage source. The total harmonic distortion is less than 5%, making it suitable for use in sensitive electronics.

In terms of applications, the RP20-243.3SF is ideal for use in information and communication equipment, automotive electronics, battery modules, storage systems, lighting, and surveillance systems. It is also suitable for use in other industrial and commercial applications where a wide input range, small size, and high efficiency are required.

In terms of its working principle, the RP20-243.3SF is a buck-boost converter. It works by adjusting the input voltage to match the output voltage, while providing isolation and high efficiency. It operates in both buck and boost modes, depending on the input voltage. In buck mode, the converter takes the input voltage and steps it down by actively controlling a power switch. In boost mode, the converter takes the input voltage and boosts it by actively controlling two power switches. In either mode, the two power switches switch rapidly to provide a regulated output voltage. Additionally, it utilizes synchronous rectification to reduce switching losses and increase overall efficiency.

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