RPA20-2412SAW/N

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DC DC Converters

A DC-DC converter is an electrical device used to modify the output voltage or current of an electrical source by providing conversion of an input DC voltage or current to a different output DC voltage or current. This type of converter is commonly used to achieve electrical system compatibility and to allow the user to increase or decrease voltage levels in certain types of applications, such as power supplies. The RPA20-2412SAW/N is an example of a DC-DC converter.

Application Field of the RPA20-2412SAW/N

The RPA20-2412SAW/N DC-DC converter was designed to meet the stringent demands of the communications demands of industrial, railway and automotive applications, as well as other applications that require tight power supply solutions. It was developed to operate in the input range of 9 to 21V, and to prevent input voltages from exceeding the 28V maximum rating. The output voltage is adjustable between 4.75 and 5.25 V, with a total output power rating of 24W.

Working Principle of the RPA20-2412SAW/N

The RPA20-2412SAW/N works in an isolated configuration to provide a regulated output and improved load regulation. It is based on an advanced PWM (pulse width modulation) control scheme and is implemented in an advancing synchronous rectification topology for maximum efficiency. This uses pulse width modulated switching to convert input voltage to the output voltage. By measuring the input voltage and adjusting the duty cycle of the PWM, the output voltage can be controlled to the desired value.

The output voltage is regulated by the feedback circuit, which samples and compares the actual output voltage to the preset reference voltage. The controller then adjusts the duty cycle and switching frequency to maintain the voltage at the preset value. In addition to voltage control, the integrated system features soft-start and over-current protection to ensure proper operation and reduce the risk of damage to the load or system.

Conclusion

The RPA20-2412SAW/N DC to DC converter is an efficient and reliable solution for applications requiring tight power supply solutions. With its adjustable output voltage range, high efficiency, and improved load regulation, it is ideal for industrial, railway, automotive, and other applications. It was designed to provide an isolated and regulated output, and features an advanced PWM control scheme for a superior performance.

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