Switching Regulator Capable of Compensating Output Errors
    1.
    发明申请
    Switching Regulator Capable of Compensating Output Errors 有权
    具有补偿输出错误的开关稳压器

    公开(公告)号:US20070222423A1

    公开(公告)日:2007-09-27

    申请号:US11456216

    申请日:2006-07-10

    IPC分类号: G05F1/00

    CPC分类号: H02M3/156 H02M2001/0025

    摘要: A switching regulator includes a power stage, an output capacitor, a first reference voltage generator, a comparator, a constant-time trigger, an error amplifier, and an operator. The power stage includes a first switch, a second switch, and an output inductor. The comparator is coupled to the output inductor and the operator for receiving an output voltage and a compensation reference voltage. The error amplifier is coupled to the output inductor and the reference voltage generator. The constant-time trigger is coupled to the comparator and the power stage. The operator is coupled to the reference voltage generator and the error amplifier.

    摘要翻译: 开关调节器包括功率级,输出电容器,第一参考电压发生器,比较器,恒定时间触发器,误差放大器和操作器。 功率级包括第一开关,第二开关和输出电感器。 比较器耦合到输出电感器和操作器,用于接收输出电压和补偿参考电压。 误差放大器耦合到输出电感和参考电压发生器。 恒定时间触发耦合到比较器和功率级。 操作者耦合到参考电压发生器和误差放大器。

    Switching regulator capable of compensating output errors
    2.
    发明授权
    Switching regulator capable of compensating output errors 有权
    能够补偿输出误差的开关稳压器

    公开(公告)号:US07508181B2

    公开(公告)日:2009-03-24

    申请号:US11456216

    申请日:2006-07-10

    IPC分类号: G05F1/56 G05F1/00

    CPC分类号: H02M3/156 H02M2001/0025

    摘要: A switching regulator includes a power stage, an output capacitor, a first reference voltage generator, a comparator, a constant-time trigger, an error amplifier, and an operator. The power stage includes a first switch, a second switch, and an output inductor. The comparator is coupled to the output inductor and the operator for receiving an output voltage and a compensation reference voltage. The error amplifier is coupled to the output inductor and the reference voltage generator. The constant-time trigger is coupled to the comparator and the power stage. The operator is coupled to the reference voltage generator and the error amplifier.

    摘要翻译: 开关调节器包括功率级,输出电容器,第一参考电压发生器,比较器,恒定时间触发器,误差放大器和操作器。 功率级包括第一开关,第二开关和输出电感器。 比较器耦合到输出电感器和操作器,用于接收输出电压和补偿参考电压。 误差放大器耦合到输出电感和参考电压发生器。 恒定时间触发耦合到比较器和功率级。 操作者耦合到参考电压发生器和误差放大器。

    Switching Regulator for Fixing a Frequency
    3.
    发明申请
    Switching Regulator for Fixing a Frequency 有权
    用于固定频率的开关稳压器

    公开(公告)号:US20070222395A1

    公开(公告)日:2007-09-27

    申请号:US11456215

    申请日:2006-07-10

    IPC分类号: H05B41/36

    CPC分类号: H02M3/1563

    摘要: A switching regulator includes a power stage, an output capacitor, a first reference voltage generator, a comparator, a constant-time trigger, a frequency-to-voltage converter, and an error amplifier. The power stage includes a first switch, a second switch coupled to the first switch, and an output inductor. The comparator is coupled to the output capacitor, and output inductor, and the first reference voltage generator. The constant-time trigger is coupled to the comparator and the power stage. The error amplifier includes a first input end coupled to the frequency-to-voltage converter, a second input end, and an output end coupled to the constant-time trigger.

    摘要翻译: 开关稳压器包括功率级,输出电容器,第一参考电压发生器,比较器,恒定时间触发器,频率 - 电压转换器和误差放大器。 功率级包括第一开关,耦合到第一开关的第二开关和输出电感器。 比较器耦合到输出电容,输出电感和第一参考电压发生器。 恒定时间触发耦合到比较器和功率级。 误差放大器包括耦合到频率 - 电压转换器的第一输入端,第二输入端和耦合到恒定时间触发的输出端。

    Switching regulator for fixing a frequency
    4.
    发明授权
    Switching regulator for fixing a frequency 有权
    用于固定频率的开关稳压器

    公开(公告)号:US07508180B2

    公开(公告)日:2009-03-24

    申请号:US11456215

    申请日:2006-07-10

    IPC分类号: G05F1/40

    CPC分类号: H02M3/1563

    摘要: A switching regulator includes a power stage, an output capacitor, a first reference voltage generator, a comparator, a constant-time trigger, a frequency-to-voltage converter, and an error amplifier. The power stage includes a first switch, a second switch coupled to the first switch, and an output inductor. The comparator is coupled to the output capacitor, and output inductor, and the first reference voltage generator. The constant-time trigger is coupled to the comparator and the power stage. The error amplifier includes a first input end coupled to the frequency-to-voltage converter, a second input end, and an output end coupled to the constant-time trigger.

    摘要翻译: 开关稳压器包括功率级,输出电容器,第一参考电压发生器,比较器,恒定时间触发器,频率 - 电压转换器和误差放大器。 功率级包括第一开关,耦合到第一开关的第二开关和输出电感器。 比较器耦合到输出电容,输出电感和第一参考电压发生器。 恒定时间触发耦合到比较器和功率级。 误差放大器包括耦合到频率 - 电压转换器的第一输入端,第二输入端和耦合到恒定时间触发的输出端。

    Switching Regulator Capable of Raising System Stability by Virtual Ripple
    5.
    发明授权
    Switching Regulator Capable of Raising System Stability by Virtual Ripple 有权
    开关稳压器能够通过虚拟纹波提高系统稳定性

    公开(公告)号:US07202642B1

    公开(公告)日:2007-04-10

    申请号:US11457812

    申请日:2006-07-16

    IPC分类号: G05F1/613

    CPC分类号: H02M3/156 H02M2001/0025

    摘要: A switching regulator includes a power stage, an output capacitor, a first reference voltage generator, a first virtual ripple generator, a comparator, and a constant-time trigger. The power stage includes a first switch, a second switch coupled to the first switch, and an output inductor coupled to the first switch and the second switch. The output capacitor coupled to the output inductor with an output voltage across the capacitor. The first virtual ripple generator is coupled to the first reference voltage generator for generating a first modulated reference voltage which reverses the output voltage according to the first reference voltage. The comparator includes a first input end coupled to the output inductor and the output capacitor and a second input end coupled to the first virtual ripple generator. The constant-time trigger is coupled between an output end of the comparator and a control end of the power stage.

    摘要翻译: 开关调节器包括功率级,输出电容器,第一参考电压发生器,第一虚拟纹波发生器,比较器和恒定时间触发器。 功率级包括第一开关,耦合到第一开关的第二开关和耦合到第一开关和第二开关的输出电感器。 输出电容器与输出电感器耦合,并具有跨过电容器的输出电压。 第一虚拟纹波发生器耦合到第一参考电压发生器,用于产生根据第一参考电压来反转输出电压的第一调制参考电压。 比较器包括耦合到输出电感器和输出电容器的第一输入端和耦合到第一虚拟波纹发生器的第二输入端。 恒定时间触发耦合在比较器的输出端和功率级的控制端之间。

    Controller in a voltage mode buck converter for implementing a mode-switch function and an over-current protection by a multifunction pin and method thereof
    6.
    发明申请
    Controller in a voltage mode buck converter for implementing a mode-switch function and an over-current protection by a multifunction pin and method thereof 有权
    用于通过多功能引脚实现模式切换功能和过电流保护的电压模式降压转换器中的控制器及其方法

    公开(公告)号:US20050258808A1

    公开(公告)日:2005-11-24

    申请号:US11098492

    申请日:2005-04-05

    CPC分类号: H02M1/32 H02H7/1213 H02M3/158

    摘要: In a voltage mode buck converter having a pair of switches connected in series by a phase node to be switched by a pair of drive signals generated from a first control signal, a phase resistor is connected between a multifunction pin and the phase node, and a controller generates a second control signal and a third control signal from the second drive signal to sense the voltage on the multifunction pin respectively to generate an over-current signal and a CCM mode switch signal to switch the converter between a CCM mode and a DCM mode.

    摘要翻译: 在具有由相位节点串联连接的一对开关的电压模式降压转换器中,通过由第一控制信号产生的一对驱动信号切换,相位阻抗器连接在多功能引脚和相位节点之间, 控制器从第二驱动信号产生第二控制信号和第三控制信号,以分别感测多功能引脚上的电压,以产生过流信号和CCM模式切换信号,以在CCM模式和DCM模式之间切换转换器 。

    Controller in a voltage mode buck converter for implementing a mode-switch function and an over-current protection by a multifunction pin and method thereof
    7.
    发明授权
    Controller in a voltage mode buck converter for implementing a mode-switch function and an over-current protection by a multifunction pin and method thereof 有权
    用于通过多功能引脚实现模式切换功能和过电流保护的电压模式降压转换器中的控制器及其方法

    公开(公告)号:US07098632B2

    公开(公告)日:2006-08-29

    申请号:US11098492

    申请日:2005-04-05

    IPC分类号: G05F1/652

    CPC分类号: H02M1/32 H02H7/1213 H02M3/158

    摘要: In a voltage mode buck converter having a pair of switches connected in series by a phase node to be switched by a pair of drive signals generated from a first control signal, a phase resistor is connected between a multifunction pin and the phase node, and a controller generates a second control signal and a third control signal from the second drive signal to sense the voltage on the multifunction pin respectively to generate an over-current signal and a CCM mode switch signal to switch the converter between a CCM mode and a DCM mode.

    摘要翻译: 在具有由相位节点串联连接的一对开关的电压模式降压转换器中,通过由第一控制信号产生的一对驱动信号切换,相位阻抗器连接在多功能引脚和相位节点之间, 控制器从第二驱动信号产生第二控制信号和第三控制信号,以分别感测多功能引脚上的电压,以产生过流信号和CCM模式切换信号,以在CCM模式和DCM模式之间切换转换器 。

    Current sense circuit and method for a DC-to-DC converter
    8.
    发明申请
    Current sense circuit and method for a DC-to-DC converter 有权
    DC-DC转换器的电流检测电路和方法

    公开(公告)号:US20050285580A1

    公开(公告)日:2005-12-29

    申请号:US11099458

    申请日:2005-04-06

    摘要: In a DC-to-DC converter, a current sense circuit and method generate a first current by a first transconductive amplifier responsive to the output current of the converter for a controller to switch a high side switch and a low side switch, a second current from a first voltage by a second transconductive amplifier, a second voltage from the second current by an adjustable resistor, and a bias signal from a difference between the second voltage and a third voltage by a bias apparatus to adjust the transconductances of the first and second transconductive amplifiers.

    摘要翻译: 在DC-DC转换器中,电流检测电路和方法响应于转换器的输出电流产生第一电流,用于控制器切换高侧开关和低侧开关,第二电流 通过第二跨导放大器的第一电压,来自第二电流的可调电阻器的第二电压以及由偏置装置从第二电压和第三电压之间的差的偏置信号来调节第一和第二电压的跨导 跨导放大器。

    Current sense circuit and method for a DC-to-DC converter
    9.
    发明授权
    Current sense circuit and method for a DC-to-DC converter 有权
    DC-DC转换器的电流检测电路和方法

    公开(公告)号:US07327129B2

    公开(公告)日:2008-02-05

    申请号:US11099458

    申请日:2005-04-06

    IPC分类号: G05F1/00 G01R19/00

    摘要: In a DC-to-DC converter, a current sense circuit and method generate a first current by a first transconductive amplifier responsive to the output current of the converter for a controller to switch a high side switch and a low side switch, a second current from a first voltage by a second transconductive amplifier, a second voltage from the second current by an adjustable resistor, and a bias signal from a difference between the second voltage and a third voltage by a bias apparatus to adjust the transconductances of the first and second transconductive amplifiers.

    摘要翻译: 在DC-DC转换器中,电流检测电路和方法响应于转换器的输出电流产生第一电流,用于控制器切换高侧开关和低侧开关,第二电流 通过第二跨导放大器的第一电压,来自第二电流的可调电阻器的第二电压以及由偏置装置从第二电压和第三电压之间的差的偏置信号来调节第一和第二电压的跨导 跨导放大器。