电子工业专用设备
電子工業專用設備
전자공업전용설비
EQUIPMENT FOR ELECTRONIC PRODUCTS MANUFACTURING
2014年
1期
35-38
,共4页
电流控制型脉宽调制器(LT1244)%单端反激式开关电源%高频变压器%电流型脉宽控制器
電流控製型脈寬調製器(LT1244)%單耑反激式開關電源%高頻變壓器%電流型脈寬控製器
전류공제형맥관조제기(LT1244)%단단반격식개관전원%고빈변압기%전류형맥관공제기
LT1244 (Currentcontrolled pulse width modulator)%Single-ended flyback switching power supply%Fly-back switch mode powersupply%High frequency transformer
开关电源的控制电路可以分为电压型和电流型，电流型开关电源具有更好的电压和负载调整率，系统的稳定性和动态特性得以明显改善。给出了一种用于电机控制的新型多输出反激电源的设计，介绍了L T 1244（电流控制型脉宽调制器）的工作特点，利用L T 1244设计了单端多输出反激式开关稳压电路，分析了工作原理，并对反激式开关电源中高频变压器的参数进行了详细的计算与说明。最终使输出电压能够很好地稳定，电压调整率和负载调整率都较高。
開關電源的控製電路可以分為電壓型和電流型，電流型開關電源具有更好的電壓和負載調整率，繫統的穩定性和動態特性得以明顯改善。給齣瞭一種用于電機控製的新型多輸齣反激電源的設計，介紹瞭L T 1244（電流控製型脈寬調製器）的工作特點，利用L T 1244設計瞭單耑多輸齣反激式開關穩壓電路，分析瞭工作原理，併對反激式開關電源中高頻變壓器的參數進行瞭詳細的計算與說明。最終使輸齣電壓能夠很好地穩定，電壓調整率和負載調整率都較高。
개관전원적공제전로가이분위전압형화전류형，전류형개관전원구유경호적전압화부재조정솔，계통적은정성화동태특성득이명현개선。급출료일충용우전궤공제적신형다수출반격전원적설계，개소료L T 1244（전류공제형맥관조제기）적공작특점，이용L T 1244설계료단단다수출반격식개관은압전로，분석료공작원리，병대반격식개관전원중고빈변압기적삼수진행료상세적계산여설명。최종사수출전압능구흔호지은정，전압조정솔화부재조정솔도교고。
With the development of electronic technology,switching power supply with its high efficiency,smallsize has been widely used.Switching power supply controlcircuitcan be divided into voltage-and current-mode, current-mode switching power supply with better voltage and load regulation,stability and dynamic characteristics of the system can be significantly im proved. This paper presents a new multi-output flyback power supply design for motor control,introduces the LT 1244 (current controlled pulse width modulator) job characteristics,the use of a single-ended design LT 1244 multiple output flyback switching regulator circuit analysis of the works,and the flyback transform er high-frequency switching power supply param eters were calculated with detailed instructions.And finally to the output voltage can be well stable voltage regulation and load regulation are higher.
