UCC3819A preregulator equivalent, power factor preregulator.
D Controls Boost Preregulator to Near-Unity
Power Factor
D World Wide Line Operation D Over-Voltage Protection D Accurate Power Limiting D Average Current Mode Control D .
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PRODUCTION D.
The UCC2819A/UCC3819A provides all the functions necessary for active power factor corrected preregulators. The controller achieves near unity power factor by shaping the ac-input line current waveform to correspond to that of the ac-input line volta.
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