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OB2203, OB2203_On Datasheet - On-Bright Electronics

OB2203, OB2203_On, Quasi-Resonant Flyback PWM Controller

OB2203 Quasi-Resonant Flyback PWM Controller GENERAL .
OB2203 is a highly integrated Quasi-Resonant (QR) controller optimized for high performance offline flyback converter applications.
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OB2203_On-BrightElectronics.pdf

This datasheet PDF includes multiple part numbers: OB2203, OB2203_On. Please refer to the document for exact specifications by model.

Datasheet Details

Part number:

OB2203, OB2203_On

Manufacturer:

On-Bright Electronics

File Size:

424.46 KB

Description:

Quasi-Resonant Flyback PWM Controller

Note:

This datasheet PDF includes multiple part numbers: OB2203, OB2203_On.
Please refer to the document for exact specifications by model.

Features

* Multi-Mode Operation
* Quasi-Resonant Operation at Normal Loading
* Pulse Frequency Modulation (PFM) Operation at Light Load
* Burst Mode at No Load
* Direct Control of the Power Supply of PFC Controller for Improved Standby Power at No/Light Load
* 40KHz Minimum Frequency

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

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