公开(公告)号：EP3200334B1

公开(公告)日：2018-12-05

申请号：EP16178971.4

申请日：2016-07-12

申请人： MediaTek Inc.

发明人： Lin, Shih-Mei ,  Kuan, Chien-Wei ,  Lee, Chien-Lung ,  Meng, Che-Hao

IPC分类号： H02M3/158

CPC分类号： H02M3/158 ,  G05F1/618 ,  H02M1/08 ,  H02M2001/0009 ,  H02M2001/0045 ,  H02M2003/1566

摘要： A DC-DC converter (100) includes an inductor (110), a switch module (MP, MN), a pull-up circuit (1 20) and a pull-down circuit (1 30). The inductor (1 10) has a first node and a second node, and the second node is coupled to an output node (Nout) of the DC-DC converter (1 00). The switch module (MP, MN) is arranged for selectively connecting an input voltage or a ground voltage to the first node of the inductor (110) according to a driving signal. The pull-up circuit (120) is arranged for selectively providing a first current to the output node (Nout) of the DC-DC converter (100). The pull-down circuit (130) is arranged for selectively sinking a second current from the output node (Nout) of the DC-DC converter (100). In addition, at least one of the first current provided by the pull-up circuit (120) and the second current sunk by the pull-down circuit (130) is determined based on an inductor current flowing through the inductor (110).

公开(公告)号：EP3200334A1

公开(公告)日：2017-08-02

申请号：EP16178971.4

申请日：2016-07-12

申请人： MediaTek Inc.

发明人： Lin, Shih-Mei ,  Kuan, Chien-Wei ,  Lee, Chien-Lung ,  Meng, Che-Hao

IPC分类号： H02M3/158

CPC分类号： H02M3/158 ,  G05F1/618 ,  H02M1/08 ,  H02M2001/0009 ,  H02M2001/0045 ,  H02M2003/1566

摘要： A DC-DC converter (100) includes an inductor (110), a switch module (MP, MN), a pull-up circuit (1 20) and a pull-down circuit (1 30). The inductor (1 10) has a first node and a second node, and the second node is coupled to an output node (Nout) of the DC-DC converter (1 00). The switch module (MP, MN) is arranged for selectively connecting an input voltage or a ground voltage to the first node of the inductor (110) according to a driving signal. The pull-up circuit (120) is arranged for selectively providing a first current to the output node (Nout) of the DC-DC converter (100). The pull-down circuit (130) is arranged for selectively sinking a second current from the output node (Nout) of the DC-DC converter (100). In addition, at least one of the first current provided by the pull-up circuit (120) and the second current sunk by the pull-down circuit (130) is determined based on an inductor current flowing through the inductor (110).

摘要翻译： DC-DC转换器100包括电感器110，开关模块MP，MN，上拉电路120和下拉电路130。 电感器（110）具有第一节点和第二节点，并且第二节点耦合到DC-DC转换器（100）的输出节点（Nout）。 开关模块（MP，MN）被布置为根据驱动信号选择性地将输入电压或地电压连接到电感器（110）的第一节点。 上拉电路（120）被布置为选择性地向DC-DC转换器（100）的输出节点（Nout）提供第一电流。 下拉电路（130）被布置为选择性地吸收来自DC-DC转换器（100）的输出节点（Nout）的第二电流。 另外，基于流过电感器（110）的电感器电流来确定由上拉电路（120）提供的第一电流和由下拉电路（130）吸收的第二电流中的至少一个。