Apr 2012:Released SY5800A, SY5802
cee     04.26.2012

 The SY5800A is a single stage Flyback PFC controller targeting at LED lighting applications. 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.

The SY5802 is a single stage Flyback 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 quasiresonant mode to achieve higher efficiency. It keeps the Flyback converter in constant on time operation to achieve high power factor.
 

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