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SA7527

Silan Microelectronics
Part Number SA7527
Manufacturer Silan Microelectronics
Description POWER FACTOR CORRECTION CONTROLLER
Published Oct 9, 2009
Detailed Description SA7527 POWER FACTOR CORRECTION CONTROLLER OF CRITICAL DUCTING DESCRIPTION The SA7527 provides simple and high performanc...
Datasheet PDF File SA7527 PDF File

SA7527
SA7527

Overview
SA7527 POWER FACTOR CORRECTION CONTROLLER OF CRITICAL DUCTING DESCRIPTION The SA7527 provides simple and high performance active power factor correction.
The SA7527 is optimized for electronic ballasts and low power and high-density power supplies which require minimum board size, reduced external components and low power dissipation.
Because the R/C filter is included in the current sense block, the external R/C filter is not necessary.
Special circuitry has also been added to prevent no load runaway conditions.
Regardless of the supply voltage, the output drive clamping circuit limits the overshoot of the power MOSFET gate drive.
It greatly enhances the system reliability.
SOP-8-225-1.
27 DIP-8-300-2.
54 FEATURES * Internal start-up timer * Internal R/C filter eliminates the need for an external R/C filter * Very precise adjustable output over voltage protection * Zero current detector * One quadrant multiplier * Trimmed 1.
5% internal band gap reference * Under voltage lockout with 3V...


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