Current Mode Control Modulator Including Ramp Signal Generator Providing Slope Compensation

A current mode control modulation includes a ramp signal generator generating a slope compensated ramp signal with slope compensation. In some embodiments, the ramp signal generator generates a ramp signal for the current control loop having a first ramp portion with slope compensation and a second...

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Bibliographische Detailangaben
Hauptverfasser: Philbrick, Rhys S. A, Archibald, Nicholas I, Laur, Steven P
Format: Patent
Sprache:eng
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Zusammenfassung:A current mode control modulation includes a ramp signal generator generating a slope compensated ramp signal with slope compensation. In some embodiments, the ramp signal generator generates a ramp signal for the current control loop having a first ramp portion with slope compensation and a second ramp portion that matches the expected current mode signal. In some embodiments, the ramp signal generator includes a switched capacitor circuit supplied by a current circuit to charge or discharge nodes in the switched capacitor circuit to generate the ramp signal with slope compensation.