REC5-4815SRW/H6/C/SMD-R

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DC DC Converters

DC–DC converters are electrical circuits used to modify the output of a source of direct current (DC). These converters are commonly used in electronic circuits for electronic devices since most of them require more than one voltage value to operate. The REC5-4815SRW/H6/C/SMD-R is an example of a type of DC–DC converter which is used in various applications.

REC5-4815SRW/H6/C/SMD-R Application Field

The REC5-4815SRW/H6/C/SMD-R converter is a high-efficiency step-down (buck) switching regulator with a wide input voltage range of 4.5 to 40 V. This converter can provide continuous output current up to 2.1A and it can deliver up to 15W of output power. Thanks to this, it can be used in many applications such as DC motor drives, DC-DC power supplies for industrial control, game machines, lighting, solar inverters, medical devices, and consumer electronics.

Working Principle of REC5-4815SRW/H6/C/SMD-R

This type of converter has a very simple circuit structure. Its main components include an inductor, a rectifying diode, an N-channel MOSFET, and the associated control circuitry. With the help of a comparator, which compares an internal reference voltage with the output voltage, the voltage control loop is implemented. More precisely, if the output voltage exceeds the reference voltage, the regulator begins to switch the MOSFET, so that the current will flow from the input to the output through inductor and diode. When the current passes through the inductor, a magnetic field is generated.

When the MOSFET turns off, the magnetic field will collapse. As a result, current will change direction and free-wheel through the diode to the output. Since this switching process is periodic, the average current will be equal to the input current. Thus, this converter provides a fixed-frequency, single-ended pulse width modulation (PWM) operation. Moreover, the output voltage can be adjusted by varying the duty cycle of the PWM signal.

Conclusion

The REC5-4815SRW/H6/C/SMD-R converter is a suitable choice for a variety of applications due to its wide input voltage range and high efficiency rate. Its simple internal structure combined with the four main components ensures that the output voltage is accurately regulated.

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