Description
OB6683 High Performance TM PFC/QR Combo Controller GENERAL .
OB6683 integrates a transition mode power factor correction (TM PFC) controller and a QuasiResonant (QR) controller in one chip.
Features
* many built-in green functions to optimize power conversion efficiency at all power levels. This holds for QR operation at high power levels, as well as PFM operation at lower power levels, and ‘Extended Burst Mode’ operation at very low power or zero power (Standby) levels. At low power levels, OB66
Applications
* Offline AC/DC flyback converter for
* General LED Lighting
* LCD Monitor/TV/PC
* Notebook
* ACDC High Power Adapter
* Open Frame SMPS
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Preliminary Datasheet OB_DOC_DS_668300
TYPICAL APPLICATION
OB6683
High Performance TM PFC/QR Combo Co