RE-3.312S/P

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DC-DC converters, commonly referred to as power supplies, are devices that are used to convert one type of electrical current to another. The RE-3.312S/P is a DC-DC converter designed to deliver a 3.3V output from a 12V, 24V or 48VDC input. The RE-3.312S/P is a switch mode power supply (SMPS), providing a high power density and efficiency. Its application field includes but not limited to industrial automation control, automotive electronics, communication and medical systems.

The working principle of the RE-3.312S/P is based on the switch mode power supply method, in which power switches, usually transistors, are switched on and off at high frequency. This allows the circuit to have a reduced size and weight compared to the traditional linear power supplies, which mode of operation is much less efficient and consumes more power. The SMPS works in two stages: the voltage conversion and the filtering. In the voltage conversion stage, the power switches are controlled to modulate the output voltage, while in the filtering stage, a filter is used to reduce the noise generated by the removal of the power switches.

To achieve high efficiency, the RE-3.312S/P power supply uses a synchronous rectifier, which consists of two power switches, a sense resistor and a PWM integrated circuit. The active semis are used to regulate the current delivered to the load in both the positive and negative halves of the cycle, improving the efficiency of the converter. The active semis use the same current reference regardless of the input voltage, resulting in a constant output voltage and current regardless of changes in the input voltage.

In addition, the RE-3.312S/P power supply also employs a short circuit protection circuit, current limiting, inrush current limiting, thermal protection and remote ON/OFF control. The protection circuit will shut off the circuit when an overload or short circuit is detected, preventing damage to the power supply. The current limiting circuit will reduce the output current when the load\'s current demand is larger than the current limit. The inrush current limiting circuit will limit the current at turn-on due to the large capacitive input current. The thermal protection circuit will shut off the circuit when the temperature reaches a preset limit, to protect the device from overheating. Finally, the remote ON/OFF control circuit can be used to remotely control the ON/OFF state of the converter.

The RE-3.312S/P is a high power density, high efficiency, cost effective DC-DC converter suitable for use in many industrial applications. It features built-in protection and control circuitry that provide robustness and reliable performance, even in the harshest of environmental conditions. With its high power density, low noise output, and built-in protection and control features, the RE-3.312S/P DC-DC converter is an excellent choice for industrial applications.

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