标准摘要
[中文适用范围]： 规定了电子降压转换器的性能要求，用于高达 250 V 的直流电源和高达 1000 V 的交流电源（频率为 50 Hz 或 60 Hz），工作频率偏离电源频率，与卤钨灯相关（如IEC 60357) 和其他白炽灯。 [外文原描述]： Specifies performance requirements for electronic step-down convertors for use on d.c. supplies up to 250 V and a.c. supplies up to 1 000 V at 50 Hz or 60 Hz with operating frequencies deviating from the supply frequency, associated with tungsten halogen lamps (as specified in IEC 60357) and other filament lamps.
英文名称D.C. or A.C. supplied electronic step-down convertors for filament lamps - Performance requirements