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    • 1. 发明申请
    • HIGH-EFFICIENCY, SWITCHED-CAPACITOR POWER CONVERSION
    • 高效率,开关电容转换
    • WO2011016948A1
    • 2011-02-10
    • PCT/US2010/041557
    • 2010-07-09
    • APPLE INC.ATHAS, William C.UNGAR, P. Jeffrey
    • ATHAS, William C.UNGAR, P. Jeffrey
    • H02M3/18
    • H02M3/07
    • This system provides for efficiently converting between a lower input voltage and a higher output voltage The system includes a first capacitor with a higher and lower potential terminals, a first set of switching devices which selectively couple the higher potential and lower potential terminals of the first capacitor between input, output and base voltages, a resonant clocking circuit which generates clock signals with substantially non-overlapping clock phases, including a first phase and a second phase, and which controls the first set of switching devices so that during the first phase, the higher potential terminal of the first capacitor is coupled to the input voltage and the lower potential terminal of the first capacitor is coupled to the base voltage, and during the second phase, the higher potential terminal of the first capacitor is coupled to the output voltage and the lower potential terminal is coupled to the input voltage.
    • 该系统提供了在较低输入电压和较高输出电压之间的有效转换。该系统包括具有较高和较低电位端子的第一电容器,第一组开关器件,其选择性地耦合第一电容器的较高电位和较低电位端子 在输入,输出和基极电压之间的谐振时钟电路,其产生具有基本上非重叠时钟相位的时钟信号,包括第一相位和第二相位,并且其控制第一组开关装置,使得在第一阶段期间, 第一电容器的高电位端子耦合到输入电压,并且第一电容器的下电位端子耦合到基极电压,并且在第二阶段期间,第一电容器的高电位端子耦合到输出电压,并且 低电位端子耦合到输入电压。
    • 9. 发明公开
    • ACOUSTIC NOISE CANCELLATION IN MULTI-LAYER CAPACITORS
    • GERÄUSCHUNTERDRÜCKUNG在MEHRSCHICHTIGEN KONDENSATOREN
    • EP3078040A1
    • 2016-10-12
    • EP14827701.5
    • 2014-12-31
    • Apple Inc.
    • KOLLER, Jeffrey G.UNGAR, P. Jeffrey
    • H01G4/012H01G4/30H01G4/35H01G4/38H01G4/40H02M1/12G05F1/10H01G4/12
    • A device is presented for decoupling voltage transients occurring on a voltage signal generated by a voltage regulator. The device may decouple the voltage transients from circuits coupled to the voltage regulator. The device may include two capacitors that may be contained in a single package. The two capacitors may be coupled to the voltage signal from the voltage regulator such that one capacitor is also coupled to a ground reference and the other capacitor is also coupled to a supply voltage. The capacitors may be constructed in a multi-layer ceramic capacitor (MLCC) process. The materials that form the MLCC may be arranged such that the MLCC package does not change shape or vibrate in response to voltage level fluctuations on the voltage signal.
    • 提出了一种用于去耦合由电压调节器产生的电压信号上发生的电压瞬变的器件。 器件可以将电压瞬变与耦合到电压调节器的电路分离。 该装置可以包括可以包含在单个封装中的两个电容器。 两个电容器可以耦合到来自电压调节器的电压信号,使得一个电容器也耦合到接地基准,另一个电容器也耦合到电源电压。 电容器可以由多层陶瓷电容器(MLCC)制造。 形成MLCC的材料可以被布置成使得MLCC封装不响应于电压信号上的电压电平波动而改变形状或振动。