Asymmetrical half-bridge power converter having reduced input ripple and method of manufacturing the same
First Claim
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1. An asymmetrical half-bridge power converter, comprising:
- first and second power switches configured to be controlled by complementary drive signals having expected first and second duty cycles of D and 1-D, respectively; and
first and second capacitors, having intrinsic capacitance values substantially proportional to 1-D and D, respectively, and intrinsic equivalent series resistance (ESR) values substantially proportional to D and 1-D, respectively, configured to reduce input ripple current associated with said asymmetrical half-bridge power converter.
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Abstract
An asymmetrical half-bridge power converter and a method of manufacturing the same. In one embodiment, the asymmetrical half-bridge power converter includes: (1) first and second power switches configured to be controlled by complementary drive signals having nominal first and second duty cycles of D and 1-D, respectively and (2) first and second capacitors, having intrinsic capacitance values proportional to 1-D and D, respectively, and intrinsic equivalent series resistance (ESR) values proportional to D and 1-D, respectively, configured to reduce input ripple current associated with the asymmetrical half-bridge power converter.
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Citations
20 Claims
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1. An asymmetrical half-bridge power converter, comprising:
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first and second power switches configured to be controlled by complementary drive signals having expected first and second duty cycles of D and 1-D, respectively; and
first and second capacitors, having intrinsic capacitance values substantially proportional to 1-D and D, respectively, and intrinsic equivalent series resistance (ESR) values substantially proportional to D and 1-D, respectively, configured to reduce input ripple current associated with said asymmetrical half-bridge power converter. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A method of manufacturing an asymmetrical half-bridge power converter, comprising:
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providing first and second power switches configured to be controlled by complementary drive signals having expected first and second duty cycles of D and 1-D, respectively; and
providing first and second capacitors having intrinsic capacitance values substantially proportional to 1-D and D, respectively, and intrinsic equivalent series resistance (ESR) values substantially proportional to D and 1-D, respectively, said first and second capacitors configured to reduce input ripple current associated with said asymmetrical half-bridge power converter. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19, 20)
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Specification