Datasheet Details
Part number:
UCC28501, UCC38500
Manufacturer:
File Size:
1.36 MB
Description:
Bicmos pfc/pwm combination controller.
Note:
This datasheet PDF includes multiple part numbers: UCC28501, UCC38500.
Please refer to the document for exact specifications by model.
UCC28501, UCC38500, BiCMOS PFC/PWM Combination Controller
The UCC2850x family provides all of the control functions necessary for an active power-factorcorrected preregulator and a second-stage dc-to- dc converter.
The controller achieves near-unity power factor by shaping the ac input line current waveform to correspond to the ac input-line voltage using
UCC28501 Features
* D Combines PFC and Downstream Converter Controls D Controls Boost Preregulator to Near-Unity Power Factor D Accurate Power Limiting D Improved Feedforward Line Regulation D Peak Current-Mode Control in Second Stage D Programmable Oscillator D Leading-Edge/Trailing-Edge Modulation for Reduced Output
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