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Moteur de recherche de fiches techniques de composants électroniques |
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Moteur de recherche de fiches techniques de composants électroniques |
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KA7525BD Fiches technique(PDF) 1 Page - Fairchild Semiconductor |
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KA7525BD Fiches technique(HTML) 1 Page - Fairchild Semiconductor |
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1 / 18 page  ©2002 Fairchild Semiconductor Corporation www.fairchildsemi.com Rev.1.0.1 Features • Internal Start-up Timer • Internal Current Sense Blanking Which Eliminates the Need for an External R/C filter • Overvoltage Comparator Eliminates Runaway Output Voltage • Zero Current Detector • One Quadrant Multiplier • Trimmed 1.5% Internal Bandgap Reference • Under Voltage Lock Out with 2.1V of Hysteresis • Totem Pole Output with High State Clamp • Low Start-up and Operating Current • 8-Pin DIP or 8-Pin SOP. Applications • Electronic Ballast •SMPS Description The KA7525B provides simple and high performance active power factor correction. KA7525B is optimized for electronic ballast and low power, high density power supplies requiring a minimum board area, reduced component count and low power dissipation. Addition of internal current sense blanking (Internal R,C) eliminates the need for an external R/C filter. Internal clamping of the error amplifier and multiplier outputs improves turn on overshoot characteristics and current limiting. Special circuitry has also been added to prevent no load runaway conditions. Output drive clamps limiting power MOSFET gate drive independent of supply voltage greatly enhance the products practical application. KA7525B KA7525B KA7525B KA7525B Power Factor Correction Controller Power Factor Correction Controller Power Factor Correction Controller Power Factor Correction Controller 8-DIP 8-SOP 1 1 |
Numéro de pièce similaire - KA7525BD |
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Description similaire - KA7525BD |
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