KP1272FCSPA

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Product Description

Product Description:
KP1272FCSPA is a highly integrated constant-current LED power switch operating in quasi-resonant mode with active power factor correction technology. It integrates a 500V high-voltage MOSFET and a high-voltage supply circuit, eliminating the need for VDD and COMP capacitors. The device provides ±3% constant-current accuracy, high power factor (PF > 0.9), low harmonic distortion, high efficiency, and comprehensive protection features for reliable offline LED lighting applications.

Product Group	Integrated Circuit (IC)
Output Current	250mA (36V Output), 200mA (72V Output)
Protections/Features	Adjustable Output Over-Voltage Protection (OVP), LED Open-Circuit Protection, LED Short-Circuit Protection, Cycle-by-Cycle Over-Current Protection (OCP), Over-Temperature Protection (OTP), Leading-Edge Blanking (LEB), Integrated High-Voltage Supply Circuit, No VDD or COMP Capacitor Required
Operating Mode	Quasi-Resonant (QR) Buck LED Constant Current Driver with Active Power Factor Correction (PF > 0.9)