Description
High Performance Quasi-Resonant PWM Controller OB2201 Product Specification GENERAL .
OB2201 is a high performance flyback QuasiResonant (QR) controller optimized to achieve high efficiency in the universal input range and full loading.
Features
* protections against pin open and short conditions on selected pins. OB2201 is offered in SOP-8 and DIP-8 packages. FEATURES
* Multi-Mode Operation:
* At Full Loading, Fix Frequency (52KHz) CCM Operation @ Low Line and QR Mode
Applications
* Offline AC/DC flyback converter for
* Power Adaptor and Open-frame SMPS
* Set-Top Box Power Supplies
* NB/DVD
TYPICAL APPLICATION
AC
OB2201
1
NTC
8
RI FB CS GND
RT DEM VCC
2
7
3
6
4
GATE 5
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Datasheet OB_DOC_DS_2201A1
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