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OB2202 Dataheets PDF



Part Number OB2202
Manufacturers On-Bright Electronics
Logo On-Bright Electronics
Description Quasi-Resonant Flyback PWM Controller
Datasheet OB2202 DatasheetOB2202 Datasheet (PDF)

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 loa.

  OB2202   OB2202



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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 be achieved. OB2202 offers comprehensive protection coverage including Cycle-by-Cycle Current Limiting, VCC Under Voltage Lockout(UVLO), Programmable Output Over Voltage Protection(OVP), VCC Clamp, Gate Clamp, Over Load Protection(OLP), On-chip Thermal Shutdown, Programmable Soft Start, Programm.


T0810NH OB2202 2SC505


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