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7878A N3U1000 application field and working principle

7878A N3U1000 is a widely used switching power supply module developed by Shanghai Seven & Technology Co., Ltd. It is suitable for all kinds of single chip microcomputer systems. It is mainly used to convert universal AC power supply into DC power supply with stable voltage and current.

Application field of 7878A N3U1000

Mainly applied to single chip microcomputer systems, microcomputer terminal equipment, medical equipment, instruments, office automation equipment, household appliances, automotive electronics, aviation electronic equipment, etc. It can meet the needs of most applications.

Working principle of 7878A N3U1000

Calculated by the theoretical value of 7878A N3U1000, the main circuit of the product consists of transformer, rectifier filter circuit, voltage regulation circuit, over voltage protection circuit and over temperature protection circuit. During working process, rectifier filter circuit consisting of diode and filter capacitor is formed by AC power supply. Under the action of rectifier filter circuit, AC power supply is changed to DC voltage, and the DC voltage is stabilized by voltage regulation circuit. Overvoltage protection and over temperature protection circuit are also equipped to protect the power supply circuit from over-voltage and over-temperature.

Conclusion

7878A N3U1000 is a kind of switching power supply module with wide application field and strong stability, suitable for single chip microcomputer systems. The product consists of transformer, rectifier filter circuit, voltage regulation circuit, overvoltage protection circuit and over temperature protection circuit. It is used to convert universal AC voltage into stable DC voltage.

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