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Simple high-voltage supply features single IC, small size

Posted: 17 Jan 2011 ?? ?Print Version ?Bookmark and Share

Keywords:magnetic isolation? separate winding? electrostatic traps?

The circuit discussed in this application note includes magnetic isolation that allows you to configure a positive, negative, or floating output. The floating output is enabled by a separate winding that generates a feedback voltage proportional to, but lower than the output voltage, thereby eliminating the need for large-valued resistors in a resistive feedback divider.

Certain sensors, electrostatic traps, and other applications require a regulated high-voltage power supply that delivers a modest amount of output current. Simplicity, low quiescent current, and small size are desirable in such supplies. The circuit of illustrated in this application note meets these requirements, and its magnetically isolated output allows you to configure a positive, negative, or floating output.

View the PDF document for more information.

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