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1. 发明授权

US07928707B2 Method and apparatus for power management of a low dropout regulator 有权
标题翻译：低压差稳压器的电源管理方法和装置
公开(公告)号：US07928707B2
公开(公告)日：2011-04-19
申请号：US12168579
申请日：2008-07-07
申请人： Johannes Gerber , Matthias Arnold , Korbinian Huber
发明人： Johannes Gerber , Matthias Arnold , Korbinian Huber
IPC分类号： G05F1/00 , G05F1/10 , G05F3/02
CPC分类号： G05F1/56
摘要： A method of switching a low dropout regulator includes determining an actual active time of a power request from an electronic device; enabling the low dropout regulator in response to said power request at a time corresponding to a start of the actual active time of the power request for an active enabled time having a duration at least the same as the actual active time and long enough to sufficiently settle the output voltage of the low dropout regulator; and disabling the low dropout regulator. In embodiments, the active enabled time is prolonged beyond the actual active time of the power request for all or at least some power requests. An electronic device includes circuits for controlling the switching of a low dropout in the described manner.
摘要翻译：切换低压差调节器的方法包括从电子设备确定功率请求的实际有效时间; 使得低压差稳压器响应于所述功率请求，在对应于具有与实际有效时间至少相同的持续时间的有效使能时间的功率请求的实际有效时间的开始的时间，并且足够长以足以稳定低压差稳压器的输出电压; 并禁用低压差稳压器。在实施例中，主动使能时间被延长超过对所有或至少一些功率请求的功率请求的实际有效时间。电子设备包括用于以所述方式控制低压差切换的电路。

2. 发明申请

US20090039845A1 METHOD AND APPARATUS FOR POWER MANAGEMENT OF A LOW DROPOUT REGULATOR 有权
标题翻译：低压差稳压器功率管理方法与装置
公开(公告)号：US20090039845A1
公开(公告)日：2009-02-12
申请号：US12168579
申请日：2008-07-07
申请人： Johannes Gerber , Matthias Arnold , Korbinian Huber
发明人： Johannes Gerber , Matthias Arnold , Korbinian Huber
IPC分类号： G05F1/56
CPC分类号： G05F1/56
摘要： A method of switching a low dropout regulator includes determining an actual active time of a power request from an electronic device; enabling the low dropout regulator in response to said power request at a time corresponding to a start of the actual active time of the power request for an active enabled time having a duration at least the same as the actual active time and long enough to sufficiently settle the output voltage of the low dropout regulator; and disabling the low dropout regulator. In embodiments, the active enabled time is prolonged beyond the actual active time of the power request for all or at least some power requests. An electronic device includes circuits for controlling the switching of a low dropout in the described manner.
摘要翻译：切换低压差调节器的方法包括从电子设备确定功率请求的实际有效时间; 使得低压差稳压器响应于所述功率请求，在对应于具有与实际有效时间至少相同的持续时间的有效使能时间的功率请求的实际有效时间的开始的时间，并且足够长以足以稳定低压差稳压器的输出电压; 并禁用低压差稳压器。在实施例中，主动使能时间被延长超过对所有或至少一些功率请求的功率请求的实际有效时间。电子设备包括用于以所述方式控制低压差切换的电路。

3. 发明授权

US07982438B2 Method and circuit for controlling the refresh rate of sampled reference voltages 有权
标题翻译：用于控制采样参考电压刷新率的方法和电路
公开(公告)号：US07982438B2
公开(公告)日：2011-07-19
申请号：US12144996
申请日：2008-06-24
申请人： Johannes Gerber , Matthias Arnold , Korbinian Huber
发明人： Johannes Gerber , Matthias Arnold , Korbinian Huber
IPC分类号： H01M10/46
CPC分类号： G11C5/147 , G05F3/30 , G11C27/026
摘要： The present invention relates to controlling the refresh rate of the reference voltage on a sampling capacitor (Csamp). A comparator (COMP) compares the voltage on a first capacitor (C1) with the voltage on a second capacitor (C2). These capacitors have the capacitance of the sampling capacitor (Csamp). Upon each refresh the first capacitor (C1) samples a first voltage (Va) and the second capacitor samples a lower second voltage (Vb). The first capacitor (C1) is discharged at a first current Ia via a first leakage current source (D1). The second capacitor (C2) is discharged at a second current Ib via a second leakage current source (D2). The comparator (COMP) triggers a refresh when the voltages equal. The first current Ia is preferably an integer N times the second current Ib.
摘要翻译：本发明涉及对采样电容器（Csamp）上的参考电压的刷新率进行控制。比较器（COMP）将第一电容器（C1）上的电压与第二电容器（C2）上的电压进行比较。这些电容器具有采样电容器（Csamp）的电容。在每次刷新时，第一电容器（C1）对第一电压（Va）进行采样，而第二电容器采样较低的第二电压（Vb）。第一电容器（C1）经由第一漏电流源（D1）以第一电流Ia放电。第二电容器（C2）经由第二漏电流源（D2）在第二电流Ib放电。当电压相等时，比较器（COMP）触发刷新。第一电流Ia优选为第二电流Ib的整数N倍。

4. 发明申请

US20090051331A1 Method and Circuit for Controlling the Refresh Rate of Sampled Reference Voltages 有权
标题翻译：用于控制采样参考电压刷新率的方法和电路
公开(公告)号：US20090051331A1
公开(公告)日：2009-02-26
申请号：US12144996
申请日：2008-06-24
申请人： Johannes Gerber , Matthias Arnold , Korbinian Huber
发明人： Johannes Gerber , Matthias Arnold , Korbinian Huber
IPC分类号： H02J7/00
CPC分类号： G11C5/147 , G05F3/30 , G11C27/026
摘要： The present invention relates to controlling the refresh rate of the reference voltage on a sampling capacitor (Csamp). A comparator (COMP) compares the voltage on a first capacitor (C1) with the voltage on a second capacitor (C2). These capacitors have the capacitance of the sampling capacitor (Csamp). Upon each refresh the first capacitor (C1) samples a first voltage (Va) and the second capacitor samples a lower second voltage (Vb). The first capacitor (C1) is discharged at a first current Ia via a first leakage current source (D1). The second capacitor (C2) is discharged at a second current Ib via a second leakage current source (D2). The comparator (COMP) triggers a refresh when the voltages equal. The first current Ia is preferably an integer N times the second current Ib.
摘要翻译：本发明涉及对采样电容器（Csamp）上的参考电压的刷新率进行控制。比较器（COMP）将第一电容器（C1）上的电压与第二电容器（C2）上的电压进行比较。这些电容器具有采样电容器（Csamp）的电容。在每次刷新时，第一电容器（C1）对第一电压（Va）进行采样，而第二电容器采样较低的第二电压（Vb）。第一电容器（C1）经由第一漏电流源（D1）以第一电流Ia放电。第二电容器（C2）经由第二漏电流源（D2）在第二电流Ib放电。当电压相等时，比较器（COMP）触发刷新。第一电流Ia优选为第二电流Ib的整数N倍。

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