OB2203, OB2203CP, OB2211 Selling Leads, Datasheet
Package Cooled:SOP-8 D/C:938
OB2203, OB2203CP, OB2211 Datasheet download
Part Number: OB2203
MFG: --
Package Cooled: SOP-8
D/C: 938
Package Cooled:SOP-8 D/C:938
OB2203, OB2203CP, OB2211 Datasheet download
MFG: --
Package Cooled: SOP-8
D/C: 938
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Datasheet: OB2203
File Size: 112322 KB
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Datasheet: OB2202
File Size: 109824 KB
Manufacturer:
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PDF/DataSheet Download
Datasheet: OB2202
File Size: 109824 KB
Manufacturer:
Download : Click here to Download
OB2203 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 is achieved.
A built-in P-channel MOSFET and its control are integrated to automatically turn on or off PFC stage according to the load conditions. When used with OB6563 (On-Bright's PFC controller), the standby power consumption of less than 400mW can be achieved in typical 150W SMPS.
OB2203 offers comprehensive protection coverage including Cycle-by-Cycle Current Limiting(OCP), VCC Under Voltage Lockout(UVLO), Over Voltage Protection(OVP), VCC Clamp, Gate Clamp, Over Load Protection(OLP), On-chip Thermal Shutdown, Programmable Soft Start, and External Latch Triggering, Max On-time Limit, etc.
OB2203 is offered in SOP-8 and DIP-8 packages.