Power Converter with Reduced Power Dissipation
First Claim
Patent Images
1. A power converter, comprising:
- an opto-isolator circuit configured to produce an output signal dependent on an output characteristic of said power converter; and
a controller configured to;
control said output characteristic to a first regulated value when said output signal is greater than or equal to a threshold level, andcontrol said output characteristic to a second regulated value less than said first regulated value when said output signal is less than said threshold level.
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Abstract
A power converter with reduced power dissipation at light loads and method of operating the same. In one embodiment, the power converter includes an opto-isolator circuit configured to produce an output signal dependent on an output characteristic of the power converter. The power converter also includes a controller configured to control the output characteristic to a first regulated value when the output signal is greater than or equal to a threshold level, and control the output characteristic to a second regulated value less than the first regulated value when the output signal is less than the threshold level.
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Citations
20 Claims
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1. A power converter, comprising:
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an opto-isolator circuit configured to produce an output signal dependent on an output characteristic of said power converter; and a controller configured to; control said output characteristic to a first regulated value when said output signal is greater than or equal to a threshold level, and control said output characteristic to a second regulated value less than said first regulated value when said output signal is less than said threshold level. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A method, comprising:
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producing an output signal dependent on an output characteristic of a power converter; controlling said output characteristic to a first regulated value when said output signal is greater than or equal to a threshold level, and controlling said output characteristic to a second regulated value less than said first regulated value when said output signal is less than said threshold level. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19, 20)
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Specification