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OB3341S

On-Bright
Part Number OB3341S
Manufacturer On-Bright
Description Buck LED Driver
Published Mar 26, 2015
Detailed Description On-Bright confidential to ... OB3341S Buck LED Driver with High PF GENERAL DESCRIPTION The OB3341S is a high power fac...
Datasheet PDF File OB3341S PDF File

OB3341S
OB3341S

Overview
On-Bright confidential to .
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OB3341S Buck LED Driver with High PF GENERAL DESCRIPTION The OB3341S is a high power factor, monolithic Buck regulator with advanced features to provide high efficiency control and high accuracy constant current output for LED lighting applications.
OB3341S integrates a 2A MOSFET to decrease physical volume.
It adopts constant on time control for power factor correction (PFC), zero current detectors (ZCD) to ensure quasi-resonant valley turn-on for high efficiency operation.
OB3341S offers good protection coverage including VCC under voltage lockout (UVLO), VCC over voltage protection, cycle-by-cycle current limiting, over temperature protection, COMP pin floating protection and LED open/short protection.
OB3341S is provided with DIP8 package.
FEATURES  Buck topology power switching with single stage PFC (PF>0.
9)  Integrated 2A 600V MOSFET  Quasi-resonant valley turn-on mode operation to achieve high efficiency (>90%)  High accuracy output current (...


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