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公开(公告)号：US10007282B2
公开(公告)日：2018-06-26
申请号：US15664617
申请日：2017-07-31
发明人： Michiyasu Deguchi
摘要： Provided is a voltage regulator capable of stably generating a constant output voltage even in a high temperature environment. The voltage regulator includes: an output transistor; an output terminal connected to a drain of the output transistor and outputting an output voltage; an error amplifier circuit configured to supply a signal obtained by amplifying a difference between a divided voltage of the output voltage and a reference voltage to a gate of the output transistor; and an NMOS transistor connected between the output terminal and a reference potential and configured to turn on, when the voltage regulator reaches a predetermined temperature at which a leakage current flowing in the output transistor is absorbed, to lead the leakage current to the reference potential.
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公开(公告)号：US20180039296A1
公开(公告)日：2018-02-08
申请号：US15664617
申请日：2017-07-31
发明人： Michiyasu DEGUCHI
摘要： Provided is a voltage regulator capable of stably generating a constant output voltage even in a high temperature environment. The voltage regulator includes: an output transistor; an output terminal connected to a drain of the output transistor and outputting an output voltage; an error amplifier circuit configured to supply a signal obtained by amplifying a difference between a divided voltage of the output voltage and a reference voltage to a gate of the output transistor; and an NMOS transistor connected between the output terminal and a reference potential and configured to turn on, when the voltage regulator reaches a predetermined temperature at which a leakage current flowing in the output transistor is absorbed, to lead the leakage current to the reference potential.
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公开(公告)号：US09846446B2
公开(公告)日：2017-12-19
申请号：US14991408
申请日：2016-01-08
申请人： Jae-Won Choi , Jong-Soo Lee , Dae-Hyun Kwon , Bui Quang Diep , Seong-Sik Myoung , Jae-Hun Lee
发明人： Jae-Won Choi , Jong-Soo Lee , Dae-Hyun Kwon , Bui Quang Diep , Seong-Sik Myoung , Jae-Hun Lee
摘要： Disclosed are a temperature compensation apparatus and method. The apparatus includes a reference signal generator that supplies at least one of a first current which is constant regardless of temperature variation and a second current which is proportional to temperature variation, a slope amplifier that determines a first output current having a second temperature coefficient which is a multiple of a first temperature coefficient of the second current, based on the first current and the second current, and a slope controller that determines a second output current having a third temperature coefficient, using a weighted average of the first current and the second current.
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4.发明授权公开(公告)号：US09602097B2
公开(公告)日：2017-03-21
申请号：US14595308
申请日：2015-01-13
发明人： Martin Feldtkeller
IPC分类号： H03K17/082 , G05F1/567 , H02H5/04 , G05F1/573 , H03K17/08
CPC分类号： H03K17/0822 , G05F1/567 , G05F1/573 , H02H5/048 , H03K2017/0806 , Y10S323/907 , Y10S323/908
摘要： An electronic switch is connected in series with a load dependent on an input signal. The electronic switch is operated in a first operation mode for a first time period after a signal level of the input signal has changed from an off-level to an on-level. The first operation mode includes driving the electronic switch dependent on a voltage across the load and dependent on a temperature of the electronic switch. The electronic switch is operated in a second operation mode after the first time period. The second operation mode includes driving the electronic switch dependent on the temperature according to a hysteresis curve.
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5.发明授权Power supply device including an electro-conductive cable wound around an output capacitor 有权电源装置包括缠绕在输出电容器上的导电电缆公开(公告)号：US09563214B2
公开(公告)日：2017-02-07
申请号：US14494744
申请日：2014-09-24
申请人： Rohm Co., Ltd.
发明人： Hironori Sumitomo
IPC分类号： G05F1/00 , G05F1/575 , H02M3/156 , H02M1/00 , G05F1/567 , G05F1/46 , G05F1/61 , H02M3/155 , G05F1/565 , G05F1/563 , G05F1/614 , G05F1/56
CPC分类号： G05F1/575 , G05F1/462 , G05F1/468 , G05F1/562 , G05F1/563 , G05F1/565 , G05F1/567 , G05F1/61 , G05F1/614 , H02M3/155 , H02M3/156 , H02M2001/0009 , H02M2001/0045 , H02M2001/007
摘要： A power supply device has an output portion that generates an output voltage from an input voltage and supplies the output voltage to a load, an output feedback controller that drives the output portion by performing output feedback control, and a first detector that detects, by means of an electromagnetic induction method, a change in a first monitoring target current due to a load change. The output feedback controller reflects a detection result from the first detector into the output feedback control.
摘要翻译： 电源装置具有从输入电压产生输出电压并将输出电压提供给负载的输出部分，通过执行输出反馈控制来驱动输出部分的输出反馈控制器，以及通过装置检测输出部分的第一检测器 的电磁感应方法，由于负载变化引起的第一监视目标电流的变化。 输出反馈控制器将来自第一检测器的检测结果反映到输出反馈控制中。
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6.发明申请公开(公告)号：US20160352223A1
公开(公告)日：2016-12-01
申请号：US14996248
申请日：2016-01-15
发明人： GYO-SOO CHOO , PIL-SEON YOO , DUK-MIN KWON , CHUNG-HO YU
CPC分类号： H03F1/301 , G05F1/463 , G05F1/56 , G05F1/563 , G05F1/567 , G05F3/245 , G11C5/147 , G11C7/04 , G11C16/30 , H03F2200/447 , H03F2200/468
摘要： A variable voltage generation circuit includes a first amplification circuit and a second amplification circuit. The first amplification circuit generates a first output voltage based on a reference voltage, a first feedback voltage, a temperature-varied voltage and a temperature-fixed voltage such that the first output voltage is varied in a first voltage range according to a variation of the operational temperature. The first amplification circuit generates the first feedback voltage based on the first output voltage. The second amplification circuit generates a second output voltage based on the first feedback voltage, a second feedback voltage, the temperature-varied voltage and the temperature-fixed voltage such that the second output voltage is varied in a second voltage range wider than the first voltage range according to the variation of the operational temperature. The second amplification circuit generates the second feedback voltage based on the second output voltage.
摘要翻译： 可变电压生成电路包括第一放大电路和第二放大电路。 第一放大电路基于参考电压，第一反馈电压，温度变化电压和温度固定电压产生第一输出电压，使得第一输出电压根据第一放大电路的变化在第一电压范围内变化 工作温度。 第一放大电路基于第一输出电压产生第一反馈电压。 第二放大电路基于第一反馈电压，第二反馈电压，温度变化电压和温度固定电压产生第二输出电压，使得第二输出电压在比第一电压更宽的第二电压范围内变化 范围根据工作温度的变化。 第二放大电路基于第二输出电压产生第二反馈电压。
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7.发明申请High-Voltage to Low-Voltage Low Dropout Regulator with Self Contained Voltage Reference 有权具有自包含电压参考的高压至低压低压降稳压器公开(公告)号：US20160026204A1
公开(公告)日：2016-01-28
申请号：US14445186
申请日：2014-07-29
发明人： Guillaume de Cremoux
IPC分类号： G05F3/08
摘要： A circuit and method for providing a temperature compensated voltage comprising a voltage regulator circuit configured to provide a regulator voltage, a voltage reference circuit configured to provide a reference voltage, VREF, a comparison circuit configured to provide a control voltage VCTL, and an operational amplifier configured to provide amplification and coupling to said comparison circuit, wherein the voltage can be a high voltage greater than 1.2 V.
摘要翻译： 一种用于提供温度补偿电压的电路和方法，包括配置成提供调节器电压的电压调节器电路，被配置为提供参考电压的电压参考电路VREF，被配置为提供控制电压VCTL的比较电路和运算放大器 被配置为提供放大和耦合到所述比较电路，其中所述电压可以是大于1.2V的高电压。
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公开(公告)号：US20150168970A1
公开(公告)日：2015-06-18
申请号：US14569114
申请日：2014-12-12
IPC分类号： G05F1/56
摘要： Provided is a voltage regulator capable of preventing an output voltage from being increased even when a leakage current flows in an output transistor. The voltage regulator includes a leakage current control circuit. The leakage current control circuit includes an NMOS transistor connected to an output terminal of the voltage regulator. When the output voltage of the voltage regulator increases due to the leakage current of the output transistor, the leakage current control circuit causes the leakage current to flow through the NMOS transistor, to thereby prevent an increase in output voltage.
摘要翻译： 提供了即使当漏电流在输出晶体管中流动时也能够防止输出电压增加的电压调节器。 电压调节器包括漏电流控制电路。 泄漏电流控制电路包括连接到电压调节器的输出端的NMOS晶体管。 当电压调节器的输出电压由于输出晶体管的漏电流而增加时，漏电流控制电路使漏电流流过NMOS晶体管，从而防止输出电压的增加。
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公开(公告)号：US20150097543A1
公开(公告)日：2015-04-09
申请号：US14504133
申请日：2014-10-01
发明人： Yuji KOBAYASHI , Teruo SUZUKI
摘要： Provided is a voltage regulator including a leakage current correction circuit capable of keeping the accuracy of an output voltage of the voltage regulator even when an output voltage of a reference voltage circuit is decreased due to the influence of a leakage current. The voltage regulator includes: a reference voltage circuit configured to output a reference voltage; an output transistor configured to output an output voltage; a voltage divider circuit configured to divide the output voltage to output a feedback voltage; an error amplifier circuit configured to amplify a difference between the reference voltage and the feedback voltage, and output the amplified difference to control a gate of the output transistor; and a leakage current correction circuit connected to an output terminal of the voltage divider circuit. The leakage current correction circuit is configured to decrease the feedback voltage to prevent the output voltage from dropping at high temperature.
摘要翻译： 提供了一种包括漏电流校正电路的电压调节器，即使当由于漏电流的影响而导致参考电压电路的输出电压降低时，也能够保持电压调节器的输出电压的精度。 电压调节器包括：参考电压电路，被配置为输出参考电压; 输出晶体管，被配置为输出输出电压; 分压电路，被配置为分压输出电压以输出反馈电压; 误差放大器电路，被配置为放大参考电压和反馈电压之间的差，并输出放大的差值以控制输出晶体管的栅极; 以及漏电流校正电路，连接到分压电路的输出端。 泄漏电流校正电路被配置为减小反馈电压以防止输出电压在高温下下降。
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公开(公告)号：US08766737B2
公开(公告)日：2014-07-01
申请号：US13612217
申请日：2012-09-12
申请人： Masaya Murata , Kotaro Watanabe , Makoto Mitani
发明人： Masaya Murata , Kotaro Watanabe , Makoto Mitani
CPC分类号： G05F1/567
摘要： A constant voltage circuit which can realize a low consumption current, and a crystal oscillation circuit using the constant voltage circuit. The constant voltage circuit is provided with a temperature characteristic regulation element, in order to minimize a difference between a negative slope of a voltage response of a constant voltage to a temperature change and a negative slope of a voltage response of the smallest operation voltage that can oscillate in the crystal oscillation circuit to the temperature change, so that the consumption current of the crystal oscillation circuit is decreased. When the constant current generated by the constant voltage circuit is decreased, the consumption current of the constant voltage circuit is decreased, and the consumption current of the whole oscillation device is decreased.
摘要翻译： 可以实现低功耗电流的恒压电路和使用恒压电路的晶体振荡电路。 恒压电路设置有温度特性调节元件，以便最小化恒定电压的电压响应的负斜率与温度变化的负斜率与最小工作电压的电压响应的负斜率之间的差异 在晶体振荡电路中振荡到温度变化，使得晶体振荡电路的消耗电流降低。 当由恒压电路产生的恒定电流减小时，恒压电路的消耗电流降低，整个振荡器件的消耗电流降低。
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