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Current-Mode Synthetic Control Technique for High-Efficiency DC-DC Boost Converters Over a Wide Load Range

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Academic year: 2021

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Fig. 1. Examples of current-ripple hysteresis control in (a) buck and (b) boost converter.
Fig. 2. (a) Synthetic current-ripple regulator. (b) Inductor current is emulated by the synthetic ripple which is a much cleaner signal.
Fig. 5. CSC technique can (a) reduce the switching power loss and thus (b) improve the power conversion efficiency.
Fig. 6. Modified DCM operation in CSC technique, which introduces the small auxiliary slope ma after the zero current is detected.
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