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OB2202

Part Number	OB2202
Manufacturer	On-Bright Electronics
Description	Quasi-Resonant Flyback PWM Controller
Published	Jul 17, 2018
Detailed Description	On-Bright Confidential to Bona OB2202 Quasi-Resonant Flyback PWM Controller GENERAL DESCRIPTION OB2202 is a highly int...
Datasheet	OB2202 PDF File

Overview

On-Bright Confidential to Bona OB2202 Quasi-Resonant Flyback PWM Controller GENERAL DESCRIPTION OB2202 is a highly integrated Quasi-Resonant (QR) controller optimized for high performance offline flyback converter applications.
At normal load condition, it operates in QR mode with minimum drain voltage switching.
To meet the CISPR-22 EMI starting at 150KHz, the maximum switching frequency is internally limited to 130KHz.
It operates in PFM mode for high power conversion efficiency at light load condition.
When the loading is very small, the IC operates in ‘Extended Burst Mode’ to minimize the switching loss.
As a result, lower standby power consumption and higher conversion efficiency can ...

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