Datasheet Details
Part number:
UCC3819A, UCC2819A
Manufacturer:
File Size:
1.08 MB
Description:
Power factor preregulator.
Note:
This datasheet PDF includes multiple part numbers: UCC3819A, UCC2819A.
Please refer to the document for exact specifications by model.
UCC3819A, UCC2819A, Power Factor Preregulator
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 voltage.
Average current mode control maintains stable,
UCC3819A Features
* 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 Improved Noise Immunity D Improved Feed-Forward Line Regulation D Leading Edge Modulation D 150-µA Typical Start-Up Current D Low-
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