公开(公告)号：US08488341B2

公开(公告)日：2013-07-16

申请号：US12743239

申请日：2010-03-26

申请人： Hyun June Kim ,  Dae Young Youn ,  Hyun Soo Park ,  Sang Min Kim ,  Hyo Nam Kim

发明人： Hyun June Kim ,  Dae Young Youn ,  Hyun Soo Park ,  Sang Min Kim ,  Hyo Nam Kim

IPC分类号： H02M3/335

CPC分类号： H02M3/33523 ,  H02M2001/0032 ,  Y02B70/16

摘要： A switching mode power supply (SNIPS) includes a rectifying unit transforming AC power input from outside to DC power, a main transformer transforming and outputting the rectified DC power, a pulse width modulation control unit controlling output voltage by applying a pulse signal to a primary winding of the main transformer, and a feedback control unit controlling an output signal of the pulse width modulation control unit by detecting output voltage of the main transformer, including: a first state transform unit, including: a second photo diode; and a second photo transistor included between an AC power input unit and the pulse width modulation control unit to form a photo coupler with the second photo diode, and a second state transform unit, including: a comparator connected to a secondary winding of the main transformer to apply the output voltage and reference voltage to an inverting terminal and a noninverting terminal, and compare the output voltage with the reference voltage and output the voltage through an output terminal.

摘要翻译： 开关模式电源（SNIPS）包括整流单元，其将从外部输入的交流电力变换成直流电力;变压并输出整流后的直流电力的主变压器;脉冲宽度调制控制单元，其通过向主电源施加脉冲信号来控制输出电压 主变压器的绕组，以及反馈控制单元，通过检测主变压器的输出电压来控制脉宽调制控制单元的输出信号，包括：第一状态变换单元，包括：第二光电二极管; 以及第二光电晶体管，包括在AC电力输入单元和所述脉宽调制控制单元之间以与所述第二光电二极管形成光耦合器，以及第二状态变换单元，包括：比较器，连接到所述主变压器的次级绕组 将输出电压和参考电压施加到反相端子和非反相端子，并将输出电压与参考电压进行比较，并通过输出端子输出电压。

公开(公告)号：US20110273912A1

公开(公告)日：2011-11-10

申请号：US12743239

申请日：2010-03-26

申请人： Hyun June Kim ,  Dae Young Youn ,  Hyun Soo Park ,  Sang Min Kim ,  Hyo Nam Kim

发明人： Hyun June Kim ,  Dae Young Youn ,  Hyun Soo Park ,  Sang Min Kim ,  Hyo Nam Kim

IPC分类号： H02M3/335

CPC分类号： H02M3/33523 ,  H02M2001/0032 ,  Y02B70/16

摘要： A switching mode power supply (SMPS) including: a first state transform unit, including: a second photo diode; and a second photo transistor included between an AC power input unit and the pulse width modulation control unit to form a photo coupler with the second photo diode, and a second state transform unit, including: a comparator connected to a secondary winding of the main transformer to apply the output voltage and reference voltage to an inverting terminal and a noninverting terminal, and compare the output voltage with the reference voltage and output the voltage through an output terminal.

摘要翻译： 一种开关模式电源（SMPS），包括：第一状态变换单元，包括：第二光电二极管; 以及第二光电晶体管，包括在AC电力输入单元和所述脉宽调制控制单元之间以与所述第二光电二极管形成光耦合器，以及第二状态变换单元，包括：比较器，连接到所述主变压器的次级绕组 将输出电压和参考电压施加到反相端子和非反相端子，并将输出电压与参考电压进行比较，并通过输出端子输出电压。