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OB2203 Controller Datasheet PDF

Quasi-Resonant Flyback PWM Controller

Quasi-Resonant Flyback PWM Controller

 

 

 

Part Number OB2203
Description Quasi-Resonant Flyback PWM Controller
Feature OB2203 Quasi-Resonant Flyback PWM Contro ller GENERAL DESCRIPTION OB2203 is a h ighly integrated Quasi-Resonant (QR) co ntroller 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 sta rting at 150KHz, the maximum switching frequency is internally limited to 130K Hz.
It operates in PFM mode for high po wer conversion efficiency at light load condition.
When the loading is very sm all, the IC operates in ‘Extended Bur st Mode’ to minimize the switching lo ss.
As a result, l .
Manufacture On-Bright Electronics
Datasheet
Download OB2203 Datasheet

OB2203

 

 

 


 

 

 

Part Number OB2203
Description Quasi-Resonant Flyback PWM Controller
Feature OB2203 Quasi-Resonant Flyback PWM Contro ller GENERAL DESCRIPTION OB2203 is a h ighly integrated Quasi-Resonant (QR) co ntroller 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 sta rting at 150KHz, the maximum switching frequency is internally limited to 130K Hz.
It operates in PFM mode for high po wer conversion efficiency at light load condition.
When the loading is very sm all, the IC operates in ‘Extended Bur st Mode’ to minimize the switching lo ss.
As a result, l .
Manufacture On-Bright Electronics
Datasheet
Download OB2203 Datasheet

OB2203

 

 

 

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