公开(公告)号：US09128504B2

公开(公告)日：2015-09-08

申请号：US13755190

申请日：2013-01-31

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Gil Won Yoon ,  Yus Ko

IPC: G05F1/565 ,  G05F1/625 ,  G05F1/575

CPC classification number: G05F1/625 ,  H02M1/36 ,  H02M3/156 ,  H03K5/15013 ,  H03K7/08

Abstract: A signal generation circuit includes: a clock signal generator configured to generate a clock signal and to change a frequency of the clock signal in response to a select signal; a transmission control circuit configured to control transmission of the clock signal based on the select signal; and a counter configured to perform an operation among a count operation and a count stop operation based on an output signal of the transmission control circuit and to output the select signal based on a result of performing the operation. When the counter performs the count operation in response to the clock signal output from the transmission control circuit, the counter outputs a most significant bit (MSB) among its count bits as the select signal.

Abstract translation: 信号发生电路包括：时钟信号发生器，被配置为响应于选择信号产生时钟信号并改变时钟信号的频率; 发送控制电路，被配置为基于所述选择信号来控制所述时钟信号的发送; 以及计数器，被配置为基于传输控制电路的输出信号在计数操作和计数停止操作之间执行操作，并且基于执行操作的结果来输出选择信号。 当计数器响应于从传输控制电路输出的时钟信号执行计数操作时，计数器输出其计数位之中的最高有效位（MSB）作为选择信号。

公开(公告)号：US12289051B2

公开(公告)日：2025-04-29

申请号：US17706237

申请日：2022-03-28

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jaekwan Kim ,  Gwangyol Noh ,  Hwayeal Yu ,  Gil Won Yoon

IPC: H02M3/158 ,  H02M1/00 ,  H02M1/08 ,  H02M1/38

Abstract: A switching regulator may include; an inductor connected to a switch node, a power switch connected to the switch node and configured to apply a first voltage to the switch node in response to a first control signal and to apply a second voltage to the switch node in response to a second control signal, and a controller configured to generate the first control signal and the second control signal. The second control signal transitions from low to high following a first dead time after the first control signal transitions from low to high, the first control signal transitions from high to low following a second dead time after the second control signal transitions from high to low level, and an inductor current flowing through the inductor flows in a first direction during the first dead time and in a second direction, different from the first direction, during the second dead time.