Universal power supply
First Claim
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1. A power supply, comprising:
- an input receiving an input voltage;
a selectively actuated boost converter coupled to the input and operable to selectively boost the input voltage; and
a forward converter operable to convert the input voltage to a plurality of regulated output voltages.
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Abstract
A power supply circuit receives an input voltage. The circuit includes a selectively actuated boost converter that is coupled to receive the input voltage. The selectively actuated boost converter operates to selectively boost the input voltage if the input voltage is less than a certain threshold. Otherwise, no voltage boost is needed. A forward converter circuit converts the input/boost voltage to a plurality of regulated output voltages.
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Citations
36 Claims
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1. A power supply, comprising:
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an input receiving an input voltage;
a selectively actuated boost converter coupled to the input and operable to selectively boost the input voltage; and
a forward converter operable to convert the input voltage to a plurality of regulated output voltages. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18)
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19. A power supply circuit, comprising:
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a voltage booster including;
a boost circuit to boost an input voltage to a boost voltage; and
a mode selector that activates the boost circuit if the input voltage is less than a threshold voltage and deactivates the boost circuit if the input voltage is greater than the threshold voltage; and
a multi-voltage output forward converter circuit that receives the input/boost voltage and generates a plurality of DC output voltages therefrom. - View Dependent Claims (20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36)
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Specification