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OB6683 - High Performance TM PFC/QR Combo Controller

This page provides the datasheet information for the OB6683, a member of the OB6683-On High Performance TM PFC/QR Combo Controller family.

Datasheet Summary

Description

OB6683 integrates a transition mode power factor correction (TM PFC) controller and a QuasiResonant (QR) controller in one chip.

The PFC controller provides a cost effective solution for optimizing the power factor.

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, OB6683 can turn off the PFC stage. In this way, low standby together with low system cost can be achieved. The device is also integrated many functions of protection, such as X-CAP discharge, Brownin/out.

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Datasheet preview – OB6683

Datasheet Details

Part number OB6683
Manufacturer On-Bright Electronics
File Size 485.28 KB
Description High Performance TM PFC/QR Combo Controller
Datasheet download datasheet OB6683 Datasheet
Additional preview pages of the OB6683 datasheet.

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Full PDF Text Transcription

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OB6683 High Performance TM PFC/QR Combo Controller GENERAL DESCRIPTION OB6683 integrates a transition mode power factor correction (TM PFC) controller and a QuasiResonant (QR) controller in one chip. The PFC controller provides a cost effective solution for optimizing the power factor. The QR controller provides higher efficiency and lower EMI compared to conventional PWM system. OB6683 provides high level integration and high performance than conventional PFC/PWM system. The built-in TM PFC controller optimizes power conversion efficiency with reduced system cost. The intelligent PFC switching ON and OFF, zero current detection and frequency limitation mechanism enable a better efficiency under any load conditions.
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