CD 系列 直流电源供应器 结构说明
和差式(Piggy-back regulator):适用于中高压、高效率、低涟波

 
预稳式(Pre-regulator):适用于低压、反应快、低涟波

The pre-regulator functions in a similar fashion to provide line and load regulation. The series pass stage,
    in addition to giving the CD Series its tight regulation characteristic , reacts rapidly to line and load
    changes to Produce a transient response characteristic similar to the linear series pass types.

 

With a relatively constant voltage across the series pass stage more efficient use is made of series transistor
    capacity, and hence ,the pre-regulator approach yields a four or five-to one reduction in the number of series
    pass transistors. 

 


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