公开(公告)号：US09343961B1

公开(公告)日：2016-05-17

申请号：US14486571

申请日：2014-09-15

申请人： Ronald J. Lipka ,  Akhil K. Garlapati

发明人： Ronald J. Lipka ,  Akhil K. Garlapati

IPC分类号： G05F1/10 ,  H02M3/07

CPC分类号： H02M3/07

摘要： An charge pump architecture capable of generating ultra high DC voltages but implemented in low voltage CMOS technology uses a cascade of NMOS stages with the bulk terminal of the latter stages biased to a voltage just below the reverse breakdown of the parasitic bulk diode. The bias voltage is tapped from a lower voltage point within the charge pump. The upper limit of the output voltage is then increased to the maximum allowable oxide voltage plus the parasitic diode reverse bias breakdown voltage.

摘要翻译： 能够产生超高直流电压但在低电压CMOS技术中实现的电荷泵架构使用级联的NMOS级，后级的体端被偏压到刚好低于寄生体二极管反向击穿的电压。 偏置电压从电荷泵内的较低电压点抽头。 然后将输出电压的上限提高到最大允许氧化物电压加上寄生二极管反向偏压击穿电压。

公开(公告)号：US07834697B1

公开(公告)日：2010-11-16

申请号：US12476132

申请日：2009-06-01

申请人： Ronald J. Lipka

发明人： Ronald J. Lipka

IPC分类号： H03F3/45

CPC分类号： H03F3/45475 ,  H03F3/45946 ,  H03F2200/171 ,  H03F2203/45082 ,  H03F2203/45418 ,  H03F2203/45424

摘要： Disclosed is a common mode feedback circuit for a differential amplifier that eliminates the effects of low frequency noise. A modulator is placed in a common mode feedback loop that modulates the feedback loop signal at a predetermined frequency to up-convert the low frequency noise. The predetermined frequency may be selected to be above the operating range of the downstream circuitry. In addition, a low pass filter can be used to eliminate the up-converted noise.

摘要翻译： 公开了一种用于差分放大器的共模反馈电路，其消除了低频噪声的影响。 将调制器放置在共模反馈环路中，其以预定频率对反馈环路信号进行调制，以对低频噪声进行上变频。 预定频率可被选择为高于下游电路的工作范围。 另外，可以使用低通滤波器来消除上变频噪声。

公开(公告)号：US08704506B2

公开(公告)日：2014-04-22

申请号：US12973098

申请日：2010-12-20

申请人： Ronald J. Lipka ,  Bradley Wright

发明人： Ronald J. Lipka ,  Bradley Wright

IPC分类号： H02M1/36

CPC分类号： G05F1/56

摘要： An improved start-up (soft-start) circuit for use with voltage regulators, and an improved regulator start-up methodology. For example, an apparatus includes a voltage regulator circuit and a start-up circuit operatively coupled to the voltage regulator circuit. The start-up circuit is configured to provide a current signal, during a start-up period, that generates a reference voltage at a reference input of the voltage regulator circuit such that the reference voltage ramps up at a rate substantially equal to a ramp-up rate of a supply voltage coupled to the start-up circuit and the voltage regulator circuit.

摘要翻译： 用于稳压器的改进的启动（软启动）电路，以及改进的稳压启动方法。 例如，一种装置包括电压调节器电路和可操作地耦合到电压调节器电路的启动电路。 启动电路被配置为在启动期间提供在电压调节器电路的参考输入处产生参考电压的电流信号，使得参考电压以基本上等于斜坡电压的速率上升， 耦合到启动电路和电压调节器电路的电源电压的上升速率。

公开(公告)号：US20120153924A1

公开(公告)日：2012-06-21

申请号：US12973098

申请日：2010-12-20

申请人： Ronald J. Lipka ,  Bradley Wright

发明人： Ronald J. Lipka ,  Bradley Wright

IPC分类号： G05F5/00 ,  H03L7/24

CPC分类号： G05F1/56

摘要： Techniques are disclosed for providing an improved start-up (soft-start) circuit for use with voltage regulators, and an improved regulator start-up methodology. For example, an apparatus comprises a voltage regulator circuit and a start-up circuit operatively coupled to the voltage regulator circuit. The start-up circuit is configured to provide a current signal, during a start-up period, that generates a reference voltage at a reference input of the voltage regulator circuit such that the reference voltage ramps up at a rate substantially equal to a ramp-up rate of a supply voltage coupled to the start-up circuit and the voltage regulator circuit.

摘要翻译： 公开了用于提供用于电压调节器的改进的启动（软启动）电路以及改进的调节器启动方法的技术。 例如，装置包括电压调节器电路和可操作地耦合到电压调节器电路的启动电路。 启动电路被配置为在启动期间提供在电压调节器电路的参考输入处产生参考电压的电流信号，使得参考电压以基本上等于斜坡电压的速率上升， 耦合到启动电路和电压调节器电路的电源电压的上升速率。

公开(公告)号：US08089261B2

公开(公告)日：2012-01-03

申请号：US12465521

申请日：2009-05-13

申请人： Ronald J. Lipka

发明人： Ronald J. Lipka

IPC分类号： G05F3/16 ,  G05F3/20

CPC分类号： G05F1/575

摘要： Disclosed is a low dropout regulator that uses a load current tracking zero circuit to stabilize a feedback loop to prevent oscillations. The load current tracking zero circuit senses the DC component of the current flowing through the pass transistor of the low dropout regulator and uses the pass transistor current signal to control a multiplicative factor. The multiplicative factor multiplies the AC variations in the output voltage to generate the zero current.

摘要翻译： 公开了一种低压差稳压器，其使用负载电流跟踪零电路来稳定反馈回路以防止振荡。 负载电流跟踪零电路检测流过低压差稳压器的通过晶体管的电流的直流分量，并使用传输晶体管电流信号来控制乘法因子。 乘法因子将输出电压中的交流变化乘以零电流。

公开(公告)号：US20100301936A1

公开(公告)日：2010-12-02

申请号：US12476132

申请日：2009-06-01

申请人： Ronald J. Lipka

发明人： Ronald J. Lipka

IPC分类号： H03F1/26

CPC分类号： H03F3/45475 ,  H03F3/45946 ,  H03F2200/171 ,  H03F2203/45082 ,  H03F2203/45418 ,  H03F2203/45424

摘要： Disclosed is a common mode feedback circuit for a differential amplifier that eliminates the effects of low frequency noise. A modulator is placed in a common mode feedback loop that modulates the feedback loop signal at a predetermined frequency to up-convert the low frequency noise. The predetermined frequency may be selected to be above the operating range of the downstream circuitry. In addition, a low pass filter can be used to eliminate the up-converted noise.

摘要翻译： 公开了一种用于差分放大器的共模反馈电路，其消除了低频噪声的影响。 将调制器放置在共模反馈环路中，其以预定频率对反馈环路信号进行调制，以对低频噪声进行上变频。 预定频率可被选择为高于下游电路的工作范围。 另外，可以使用低通滤波器来消除上变频噪声。

公开(公告)号：US20100289475A1

公开(公告)日：2010-11-18

申请号：US12465521

申请日：2009-05-13

申请人： Ronald J. Lipka

发明人： Ronald J. Lipka

IPC分类号： G05F3/16

CPC分类号： G05F1/575

摘要： Disclosed is a low dropout regulator that uses a load current tracking zero circuit to stabilize a feedback loop to prevent oscillations. The load current tracking zero circuit senses the DC component of the current flowing through the pass transistor of the low dropout regulator and uses the pass transistor current signal to control a multiplicative factor. The multiplicative factor multiplies the AC variations in the output voltage to generate the zero current.

摘要翻译： 公开了一种低压差稳压器，其使用负载电流跟踪零电路来稳定反馈回路以防止振荡。 负载电流跟踪零电路检测流过低压差稳压器的通过晶体管的电流的直流分量，并使用传输晶体管电流信号来控制乘法因子。 乘法因子将输出电压中的交流变化乘以零电流。