Single Stage Flyback PFC Controller With Primary Side Regulation and PWM/Analog dimming CXLE87156 is a single stage Flyback and PFC controller targeting at LED lighting applications with PWM/Analog

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The CXLE87156 is a single stage Flyback and PFC controller targeting at LED lighting applications with PWM/Analog dimming. It is a primary side controller without applying any secondary feedback circuit for low cost, and drives the Flyback converter in the quasi-resonant mode to achieve higher efficiency. It keeps the Flyback converter in constant on time operation to achieve high power factor.

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Primary side control eliminates the opto-couplernPt嘉泰姆

PWM or Analog DimmingnPt嘉泰姆

Valley turn-on of the primary MOSFET to achieve low switching lossesnPt嘉泰姆

0.3V primary current sense reference voltage leads to a lower sense resistance thus a lower conduction lossnPt嘉泰姆

Internal high current MOSFET driver: 1A  sourcing and 2A sinkingnPt嘉泰姆

Low start up current: 15uA typicalnPt嘉泰姆

Reliable short LED and Open LED protectionnPt嘉泰姆

Power factor >0.90 with single-stage conversion.(Analog dimming only)nPt嘉泰姆

Compact package: SO8nPt嘉泰姆

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LED lightingnPt嘉泰姆

Down lightnPt嘉泰姆

Tube lampnPt嘉泰姆

PAR lampnPt嘉泰姆

Bulb lampnPt嘉泰姆

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