The KA7526 provides simple and high performance activepower factor correction. KA7526 is optimized for electronicballast and low power, high density power supplies requiringa minimum board area, reduced component count and lowpower dissipation. Addition of internal R/C filter eliminatesthe need for an external R/C filter. Internal clamping of theerror amplifier and multiplier outputs improves turn on overshootcharacteristics and current limiting. Special circuitryhas also been added to prevent no load runaway conditions.The output drive clamping circuit limits overshoot of thepower MOSFET gate drive Independent of supply voltage,so that it greatly enhance the system reliability.
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