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DC DC Converter

REC3-1205DRW/H2/A/M/SMD/CTRL-R is a DC DC converter. The abbreviation stands for the words “reduction, electric, control-rectifier” and it has been designed to perform the power conversion from the primary DC voltage of 12V to a secondary voltage of 5V with a maximum current of 1.5A. It is based on the principle of buck-boost and features a series of MOSFETs and diodes for power conversion. The converter also features a feed-forward current control to prevent output over-voltage by regulating the internal PWM (Pulse Width Modulation) drive signal.

Application field of REC3-1205DRW/H2/A/M/SMD/CTRL-R

DC-DC converters are used in a variety of applications. The most common implementation of these converters are in the automotive industry. In the automotive industry, these converters are used for low voltage DC-DC conversion in order to power electronic systems such as lights, power steering, and telematics. The converter also finds application in the industrial sector, where it is used to power industrial robots and other automation equipment requiring precise voltage control. Additionally, these converters are used in the renewable energy sector for DC-DC conversion in solar energy systems and wind turbines.

Working principle

The converter uses a buck-boost converter topology and the DC-DC conversion is achieved with a series of MOSFETs and diodes. The MOSFETs are arranged in an H-bridge configuration and the diodes are used to allow current to travel in one direction only. The output voltage is regulated by controlling the pulse width of the PWM (Pulsed Width Modulation) signal which determines the gates of the MOSFETs. The converter also features a feed-forward current control to ensure the output voltage is not exceeded. This is done by monitoring the voltage drop across the MOSFETs and adjusting the gate pulse width accordingly.

The converter is also equipped with thermal protection and an undervoltage lockout which protects the converter from any potential overloading or undervoltage conditions. Furthermore, the converter is also equipped with a soft-start feature which gradually increases the output voltage while decreasing the surge current.

Conclusion

REC3-1205DRW/H2/A/M/SMD/CTRL-R is a DC DC converter which is primarily used for the conversion from 12V to 5V. It is based on the principle of buck-boost and is utilized in a variety of application fields, mainly in the automotive, industrial and renewable energy sectors. The converter uses a series of MOSFETs and diodes for the DC-DC conversion and is equipped with features like feed-forward current control, thermal protection, undervoltage lockout and soft-start.

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