Improved transient response using high‐frequency feedback control circuit of the constant current ripple constant on‐time with native adaptive voltage positioning design for voltage regulators
| Autor: | Sheng Fu Hsiao, Jian Rong Huang, Wen-Wei Chen, Tsorng-Juu Liang, Jiann-Fuh Chen, Wei Yuan Ting |
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| Rok vydání: | 2013 |
| Předmět: |
Engineering
business.industry Buck converter Hardware_PERFORMANCEANDRELIABILITY Voltage regulator LED circuit RL circuit Constant power circuit Control theory Hardware_INTEGRATEDCIRCUITS Electronic engineering Transient (oscillation) Transient response Electrical and Electronic Engineering business RC circuit |
| Zdroj: | IET Power Electronics. 6:1948-1955 |
| ISSN: | 1755-4543 |
| DOI: | 10.1049/iet-pel.2013.0020 |
| Popis: | Improved transient response using high-frequency feedback control (HFFC) circuit of the constant current ripple constant on-time (CCRCOT) with native adaptive voltage positioning design for voltage regulators (VRs) is proposed in this study. The concept uses the HFFC circuit to filter V out at the load transient to change the on-time width dynamically, preventing V out from dropping markedly. This proposal does not need an extra pin to achieve a quick response circuit. Finally, the multiphase VR with the HFFC circuit of the CCRCOT for the IC circuit of the proposed buck converter is implemented by experiment and simulation results to verify their viability and superiority. |
| Databáze: | OpenAIRE |
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