UFT14020A

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UFT14020A Application Field and Working Principle

UFT14020A is a diode array which provides excellent reverse blocking and surge capability for multiple diode applications. The UFT14020A is designed for use in low voltage and typical automotive applications, such as over-voltage protection, and reverse-current blocking in DC-DC converters.

UFT14020A Features and Benefits

The UFT14020A offers several features that make it well-suited for multiple diode applications, such as:

• Excellent reverse blocking and surge capability
• Low forward voltage drop for increased efficiency at higher currents
• High voltage transient suppression
• Low bias current draw and high load current handling
• High surge capability
• Low leakage current

UFT14020A Applications

The UFT14020A can be used in a variety of applications, including:

• Over-voltage protection (TVS)
• DC-DC converters
• Circuit protection
• Load switching

UFT14020A Working Principle

The UFT14020A utilizes diodes in a single package for increased surge capability and improved efficiency. The integrated diodes are structured of a rectifier section with two diodes connected together to create a bridge rectifier, each receiving half the input voltage. This arrangement reduces peak forward voltage drop, thus increasing the efficiency of the diode and improving dissipation heat.

When used in AC/DC applications, the UFT14020A’s integrated rectifier diodes act as a bridge rectifier allowing both positive and negative half cycles of AC to be rectified and filtered. The rectifier section works in conjunction with the filter section to provide a voltage which is equal to the amplitude of the input voltage which is then filtered to provide the desired DC output and improve regulation.

When used in DC/DC applications, the UFT14020A’s integrated diodes serve as a blocking diode, preventing the reverse flow of current from the load side back to the source. The UFT14020A’s high voltage blocking capabilities makes it well-suited for use in voltage regulation circuits.

Conclusion

The UFT14020A is a versatile diode array which provides excellent reverse blocking and surge capability for multiple diode applications. Its low forward voltage drop and high voltage transient suppression make it well-suited for use in low voltage, high current applications such as DC-DC converters and over-voltage protection circuits. The UFT14020A can also be used in other circuit protection and load switching applications.

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