公开(公告)号：US09880573B2

公开(公告)日：2018-01-30

申请号：US14147667

申请日：2014-01-06

Applicant: Dialog Semiconductor GmbH

Inventor： Zakaria Mengad ,  Mykhaylo Teplechuk

IPC: G05F1/575 ,  G05F1/56 ,  H02M3/158 ,  G05F1/59 ,  G05F1/618 ,  H02M1/00

CPC classification number: G05F1/56 ,  G05F1/575 ,  G05F1/59 ,  G05F1/618 ,  H02M3/158 ,  H02M2001/0045

Abstract: A low dropout (LDO) device with improved linear mode comprising an error amplifier, a programmable attenuation factor circuit coupled to said error amplifier, a feedback network whose input is electrically connected to said programmable attenuation factor circuit and whose output is electrically coupled to the negative input of said error amplifier, a high side (HS) pre-drive circuit whose input is a high impedance (HiZ) mode signal, a low side (LS) pre-drive circuit whose input is a low pull-down input mode signal, a high side (HS) output stage element electrically coupled to said high side (HS) pre-drive circuit, a low side (LS) output stage element electrically coupled to said low side (LS) pre-drive circuit, and a high side sense (HSENSE) output stage element whose gate is electrically coupled to said high side (HS) pre-drive circuit, and whose gate and source are electrically connected to the output of said error amplifier.

公开(公告)号：US10409307B2

公开(公告)日：2019-09-10

申请号：US15882408

申请日：2018-01-29

Applicant: Dialog Semiconductor GmbH

Inventor： Zakaria Mengad ,  Mykhaylo Teplechuk

IPC: G05F1/575 ,  G05F1/56 ,  H02M3/158 ,  G05F1/59 ,  G05F1/618 ,  H02M1/00

Abstract: A low dropout (LDO) device with improved linear mode comprising an error amplifier, a programmable attenuation factor circuit coupled to said error amplifier, a feedback network whose input is electrically connected to said programmable attenuation factor circuit and whose output is electrically coupled to the negative input of said error amplifier, a high side (HS) pre-drive circuit whose input is a high impedance (HiZ) mode signal, a low side (LS) pre-drive circuit whose input is a low pull-down input mode signal, a high side (HS) output stage element electrically coupled to said high side (HS) pre-drive circuit, a low side (LS) output stage element electrically coupled to said low side (LS) pre-drive circuit, and a high side sense (HSENSE) output stage element whose gate is electrically coupled to said high side (HS) pre-drive circuit, and whose gate and source are electrically connected to the output of said error amplifier.

公开(公告)号：US20150177754A1

公开(公告)日：2015-06-25

申请号：US14147667

申请日：2014-01-06

Applicant: Dialog Semiconductor GmbH

Inventor： Zakaria Mengad ,  Mykhaylo Teplechuk

IPC: G05F1/56

CPC classification number: G05F1/56 ,  G05F1/575 ,  G05F1/59 ,  G05F1/618 ,  H02M3/158 ,  H02M2001/0045

Abstract: A low dropout (LDO) device with improved linear mode comprising an error amplifier, a programmable attenuation factor circuit coupled to said error amplifier, a feedback network whose input is electrically connected to said programmable attenuation factor circuit and whose output is electrically coupled to the negative input of said error amplifier, a high side (HS) pre-drive circuit whose input is a high impedance (HiZ) mode signal, a low side (LS) pre-drive circuit whose input is a low pull-down input mode signal, a high side (HS) output stage element electrically coupled to said high side (HS) pre-drive circuit, a low side (LS) output stage element electrically coupled to said low side (LS) pre-drive circuit, and a high side sense (HSENSE) output stage element whose gate is electrically coupled to said high side (HS) pre-drive circuit, and whose gate and source are electrically connected to the output of said error amplifier.

Abstract translation: 具有改进的线性模式的低压差（LDO）装置包括误差放大器，耦合到所述误差放大器的可编程衰减因子电路，其输入电连接到所述可编程衰减因子电路并且其输出电耦合到负的反馈网络 所述误差放大器的输入，输入为高阻抗（HiZ）模式信号的高边（HS）预驱动电路，输入为低下拉输入模式信号的低侧（LS）预驱动电路， 电耦合到所述高侧（HS）预驱动电路的高侧（HS）输出级元件，电耦合到所述低侧（LS）预驱动电路的低侧（LS）输出级元件，以及高侧 感测（HSENSE）输出级元件，其栅极电耦合到所述高侧（HS）预驱动电路，并且其栅极和源极电连接到所述误差放大器的输出。

公开(公告)号：US20180150091A1

公开(公告)日：2018-05-31

申请号：US15882408

申请日：2018-01-29

Applicant: Dialog Semiconductor GmbH

Inventor： Zakaria Mengad ,  Mykhaylo Teplechuk

IPC: G05F1/56 ,  H02M3/158 ,  G05F1/575 ,  G05F1/59 ,  H02M1/00 ,  G05F1/618

CPC classification number: G05F1/56 ,  G05F1/575 ,  G05F1/59 ,  G05F1/618 ,  H02M3/158 ,  H02M2001/0045

Abstract: A low dropout (LDO) device with improved linear mode comprising an error amplifier, a programmable attenuation factor circuit coupled to said error amplifier, a feedback network whose input is electrically connected to said programmable attenuation factor circuit and whose output is electrically coupled to the negative input of said error amplifier, a high side (HS) pre-drive circuit whose input is a high impedance (HiZ) mode signal, a low side (LS) pre-drive circuit whose input is a low pull-down input mode signal, a high side (HS) output stage element electrically coupled to said high side (HS) pre-drive circuit, a low side (LS) output stage element electrically coupled to said low side (LS) pre-drive circuit, and a high side sense (HSENSE) output stage element whose gate is electrically coupled to said high side (HS) pre-drive circuit, and whose gate and source are electrically connected to the output of said error amplifier.