DC-DC converter with continuous-time feed-forward Sigma-Delta modulator control

DC-DC converter with continuous-time feed-forward Sigma-Delta modulator control

This paper describes applications of continuous-time feed-forward Sigma-Delta (ΣΔ) modulators to control DC-DC converters as follows. We propose to use continuous-time feed-forward ΣΔ controllers in DC-DC converters, and show that their transient response is faster than discrete-time and/or feedback...

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Hauptverfasser: Hong Gao, Lin Xing, Kobori, Yasunori, Feng Zhao, Kobayashi, H., Miwa, S., Motozawa, A., Nosker, Z., Niitsu, K., Takai, N., Odaguchi, T., Nakanishi, I., Nemoto, K., Matsuda, J.
Format: Tagungsbericht
Sprache:eng
Schlagworte:
Continuous-Time
DC-DC Converter
Feed-Forward
Integrated circuit modeling
Laplace equations
Pulse width modulation
Sigma delta modulation
Sigma-Delta Modulator
Transfer functions
Transient response
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Beschreibung
Zusammenfassung:This paper describes applications of continuous-time feed-forward Sigma-Delta (ΣΔ) modulators to control DC-DC converters as follows. We propose to use continuous-time feed-forward ΣΔ controllers in DC-DC converters, and show that their transient response is faster than discrete-time and/or feedback-type ΣΔ controllers. We also show that second-order ΣΔ controllers have superior performance to first-order ones. SPICE and Matlab simulations substantiate these results.
DOI:10.1109/APCCAS.2012.6418972