High Voltage Boost Regulator With Voltage Doubler

This circuit SP6691 has been designed to provide a high output voltage with a lower voltage boost Regulator by adding a charge pump circuit. This circuit CAN take a standard 30V boost Regulator and make it a 60V boost Regulator if needed. All of the testing was done on a VOUT of 43V to demonstrate circuit operation. The other benefit of this circuit is that at the voltage at capacitor C3 is roughly ½ of VOUT. This report includes application schematic, complete Bill of Materials and figures 1 through 7 illustrating electrical performance of the design.
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Schematic for SP6691@ 43VOUT
Schematic for SP6691@ 43VOUT



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