春天的魅力
专利名称:Digital Controller for Dc-Dc Switching
Converters for Operation at Ultra-High
Constant Switching Frequencies
发明人:Aleksandar Prodic
云芝糖肽申请号:US11576433
申请日:20051003
左侧腹部疼痛公开号:US20080303501A1
公开日:
放生感言一句话
20081211昨天是什么节日
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专利附图:
摘要:A digital controller for low-power DC-DC switch mode power supplies (SMPS)suitable for on-chip implementation and u in portable battery-powered systems is
provided. The digital controller allows operation at ultra high constant switching frequencies and can be implemented with a simple low-power digital hardware. The digital controller includes a digital pul width modulator (DPWM), bad on a multibit 2orders sigma-delta (Σ-Δ) principle, and a dual-sampling mode PID compensator. The output voltage is either sampled at a frequency lower than the switching frequency (undersampled) or sampled at the switching rate. In steady-state, undersampling results in reduced power consumption, while during transients, sampling at the switching rate provides fast transient respon. Another aspect of the prent invention is a dual sampling/clocking scheme, which is relied on by the DPWM described. A method is also provided for controlling low power DC-DC switch mode power supplies operating at high constant switching frequencies.
申请人:Aleksandar Prodic
地址:Toronto CA
蒲岐水果
国籍:CA大补元气
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