REC7.5-4805SRW/H1/A/M/CTRL

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DC-DC Converters are indispensable components in different types of electronic circuits. Simply put, they are devices used to convert one form of electrical energy into another. The REC7.5-4805SRW/H1/A/M/CTRL is a type of DC-DC converter designed for high performance and high power conversion. Its application field and working principle are discussed below.

Application Field

The REC7.5-4805SRW/H1/A/M/CTRL is a 4-pin DC-DC converter used for high power applications in industry, automotive, medical devices, and consumer electronics. It offers 265W continuous power output with 48V input and 5V output. This DC-DC converter is designed to provide high efficiency, excellent temperature stability, and reliable behavior. The REC7.5-4805SRW/H1/A/M/CTRL is especially useful for applications where high isolation between the input and output is required due to its built-in isolation feature.

Working Principle

The REC7.5-4805SRW/H1/A/M/CTRL is a full-bridge non-inverting DC-DC converter that converts a 48V input to 5V output. It uses four MOSFETs to rectify the AC input to DC. Then, it goes through an inductor-capacitor (LC) network, which is driven by a pulse-width modulation (PWM) controller. The PWM controller generates a train of pulses with a fixed frequency (150KHz) and a variable duty cycle, depending on the feedback of the output voltage. This modulated signal is sent to the MOSFETs to control their switching between the different states. The LC filter then smoothens the signal and the output is produced.

The REC7.5-4805SRW/H1/A/M/CTRL has a built-in isolation transformer that provides 4?kV isolation. This transformer is driven by the PWM output, providing high-frequency isolation between the input and output. This protects sensitive electronics from high voltage spikes and ensures noise-free operation.

The REC7.5-4805SRW/H1/A/M/CTRL features current limiting protection as well as over-temperature protection. It also has an integrated self-start control circuit and built-in soft-start for load activation. Thus, it is suitable for a variety of applications where high power and reliable performance is required.

Conclusion

The REC7.5-4805SRW/H1/A/M/CTRL is a powerful and reliable DC-DC converter suitable for a variety of applications. It offers high efficiency, wide input range, and a built-in isolation transformer. The built-in protection features make it an ideal choice for industry, automotive, medical, and consumer electronic applications.

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