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SY5055A - PFC+LLC Combo Controller

Datasheet Summary

Features

  • The SY5055A is a PFC+LLC combo controller, which.
  • PF>0.95, THD.

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Datasheet preview – SY5055A

Datasheet Details

Part number SY5055A
Manufacturer Silergy
File Size 1.25 MB
Description PFC+LLC Combo Controller
Datasheet download datasheet SY5055A Datasheet
Additional preview pages of the SY5055A datasheet.

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Full PDF Text Transcription

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Application Note: SY5055A PFC+LLC Combo Controller General Description Features The SY5055A is a PFC+LLC combo controller, which  PF>0.95, THD<5% integrates a Boost PFC controller and a resonant halfbridge controller. The Boost converter works in CrM/DCM mode to minimize switching losses and get better EMI performance. Proprietary control is adopted to get unity PF and lowest THD. Burst function increases efficiency at low load. Reliable input BO/BI protection, Boost output OVP/UVP, over current protection, Boost feedback protection guarantees safety work. The LLC converter with proprietary control achieves fast dynamic response and easy loop compensation parameters design. The peripheral devices count is greatly reduced to save BOM cost.
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