OB2202 Datasheet





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OB2202 Datasheet - Quasi-Resonant Flyback PWM Controller

OB2202   OB2202  

Datasheet: OB2202 datasheet

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Description: On-Bright Confidential to Bona OB2202 Q uasi-Resonant Flyback PWM Controller G ENERAL DESCRIPTION OB2202 is a highly i ntegrated Quasi-Resonant (QR) controlle r optimized for high performance offlin e flyback converter applications. At no rmal load condition, it operates in QR mode with minimum drain voltage switchi ng. To meet the CISPR-22 EMI starting a t 150KHz, the maximum switching frequen cy is internally limited to 130KHz. It operates in PFM mode for high power con version efficiency at light load condit ion. When the loading is very small, th e IC operates in ‘Extended Burst Mode ’ to minimize the switching loss. As a result, lower standby power consumpti on and higher conversion efficiency can


Manufacture Part Number Description

On-Bright Electronics

OB2202

Quasi-Resonant Flyback PWM Controller




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