RPM60-4805SG/N

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DC-DC converters are an important component of power electronics, with applications in many fields such as communications, computer, consumer electronics, industrial and automotive systems. DC-DC converters are used to convert a higher or lower direct voltage to a different level of direct voltage. The RPM60-4805SG/N is an example of such a converter, capable of converting a higher (60V ) to a lower (5V ) DC voltage.

Application Field

The RPM60-4805SG/N DC-DC converter is typically used when a higher voltage needs to be efficiently converted to a lower voltage. This converter is mainly suitable for general communication applications such as cellular phones, IOT devices, automotive systems and more. Additionally, its power supply frequency is between 20KHz to 150KHz, with a total power of 48W. This makes it suitable for these applications, since it has the capacity to provide high efficiency, step down and regulate the voltage.

Working Principle

The RPM60-4805SG/N makes use of a pulsed width modulation (PWM) technique to regulate the power output. This technique utilises a pulse-width modulator (PWM) to convert the high voltage input into a regulated output. This converter uses peak current mode control to maintain a constant output voltage no matter the load fluctuations. As the load changes, the duty cycle of the pulse width tell the voltage and current change accordingly. It should be noted that, when the load rises, the voltage will drop due to the power output staying constant. As a result this kind of converter should be considered when the load characteristics are known.

In addition, the RPM60-4805SG/N converter employs higher operating frequencies, output overvoltage, under-voltage and over-current protections to increase energy efficiency and protect the device from current and voltage surges. This protection is provided through a combination of pulse-width modulation (PWM) and peak current mode control (PCM). The converter also utilises synchronous rectification (SR) technology to maximise efficiency and reduce total losses.

Finally, the RPM60-4805SG/N uses an isolation transformer to separate input and output voltages. This creates a galvanic isolation between the two, allowing for the higher voltage input to be step-down and regulated correctly, without any safety issues regarding voltage and current fluctuations. This is important for general purpose communications applications as it provides the user with a reliable and safe power supply.

Conclusion

The RPM60-4805SG/N is a versatile and reliable DC-DC converter. It can be used to easily convert a higher DC (60V) voltage to a lower DC (5V) voltage without any safety risks. This converter can be integrated into a wide range of applications, such as communications, computer, consumer electronics, industrial and automotive applications. The converter’s features include pulsed width modulation (PWM) for regulated output, peak current mode control, higher operating frequencies, Output over-voltage, under-voltage and over-current protections, as well as synchronous rectification (SR) for maximise efficiency. Additionally, the RPM60-4805SG/N utilises an isolation transformer to reduce voltage stress in the device and provide galvanic isolation.

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