Systems and methods for regulating output currents of power conversion systems
First Claim
1. A system controller for regulating a power conversion system, the system controller comprising:
- a first controller terminal configured to receive a first signal associated with an input signal for a primary winding of a power conversation system; and
a second controller terminal configured to output a drive signal to a switch to affect a first current flowing through the primary winding of the power conversion system, the drive signal being associated with an on-time period, the switch being closed during the on-time period;
wherein the system controller is configured to adjust a duration of the on-time period based on at least information associated with the first signal.
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Abstract
Systems and methods are provided for regulating a power conversion system. An example system controller includes a first controller terminal and a second controller terminal. The first controller terminal is configured to receive a first signal associated with an input signal for a primary winding of a power conversation system. The second controller terminal is configured to output a drive signal to a switch to affect a first current flowing through the primary winding of the power conversion system, the drive signal being associated with an on-time period, the switch being closed during the on-time period. The system controller is configured to adjust a duration of the on-time period based on at least information associated with the first signal.
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Citations
10 Claims
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1. A system controller for regulating a power conversion system, the system controller comprising:
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a first controller terminal configured to receive a first signal associated with an input signal for a primary winding of a power conversation system; and a second controller terminal configured to output a drive signal to a switch to affect a first current flowing through the primary winding of the power conversion system, the drive signal being associated with an on-time period, the switch being closed during the on-time period; wherein the system controller is configured to adjust a duration of the on-time period based on at least information associated with the first signal. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A method for regulating a power conversion system, the method comprising:
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receiving a first signal from a first controller terminal, the first signal being associated with an input signal for a primary winding of a power conversation system; adjusting a duration of an on-time period related to a drive signal based on at least information associated with the first signal; and outputting the drive signal from a second controller terminal to a switch to affect a first current flowing through the primary winding of the power conversion system, the switch being closed during the on-time period.
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Specification