UNISONIC TECHNOLOGIES CO.
, LTD UA7527 Preliminary LINEAR INTEGRATED CIRCUIT POWER FACTOR CONTROLLER  DESCRIPTION The UTC UA7527 is a simple and high performance active power factor corrective controller for boost PFC application which operates in the critical conduction mode.
The UTC UA7527 is optimized for electronic ballasts, low power and high density power supplies which require minimum board area reduced component count and low power dissipation.
Internal R/C filter eliminates the need for an external R/C filter.
Special circuitry has also been added to prevent no load runaway conditions.
The output drive clamping circuit limits the overshoot of the power MOSFET gate drive despite...

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