电荷泵电路

• Format: Patent
• Language: Chinese
• Published: 22.09.2023
• Subjects: APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC,OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWERSUPPLY SYSTEMS; CONTROL OR REGULATION THEREOF; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER; ELECTRICITY; GENERATION

本发明公开了一种电荷泵电路，其包括：电荷泵核心电路，用于产生输出电压；振荡器，用于为所述电荷泵核心电路提供时钟信号；反馈电路，用于根据所述输出电压对所述振荡器进行控制，所述反馈电路包括一内部环路。其优点是：内部环路可以通过输出给振荡器的控制信号来动态调整从电荷泵核心电路输出端电压的采样值，进而调整电荷泵核心电路的启动和关闭时间，达到通过内部环路来对电荷泵输出电压纹波进行调整的目的，进而减小了电荷泵输出电压的纹波大小。 A charge pump circuit includes: a charge pump core circuit configured to generate an output voltage, an oscillator configured to provide a clock signal for the charge pump core circuit, and a feedback circuit configured to control the oscillator based on the output voltage, wherein the feedback circuit includes an inner loop.