Sliding-mode controls for dynamic performance
Integrated Inductive Switch-Mode Power Supply: Fondamentals on Feedback Control in Current Sliding Mode
Article REF: D3184 V1
Sliding-mode controls for dynamic performance
Integrated Inductive Switch-Mode Power Supply: Fondamentals on Feedback Control in Current Sliding Mode

Author : Bruno ALLARD

Publication date: February 10, 2018 | Lire en français

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2. Sliding-mode controls for dynamic performance

Figure 4 shows an architecture with two loops. A fast loop uses a dynamic indicator representing the evolution of the converter's operating point. Here, the chosen parameter is the output current (inductance), or even the output current ripple. A slower loop is used to compensate for the output voltage, to correct its dependence on the output current due to the load and the converter's dynamic output impedance.

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