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                                          KP116

                                          Non-Isolated BuckBoost APFC Offline LED Controller
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                                          General Description

                                          KP116 is a highly integrated LED Controller with constant current (CC) control for LED lighting applications. The IC utilizes Quasi-Resonant (QR) BuckBoost topology with active PFC control for high PF, low THD, and high efficiency.

                                          KP116 integrates with high voltage startup and IC power supply circuit, which requires very few external components. The IC senses the inductor current during freewheeling period, which can achieve high precision CC control with excellent line and load regulation.

                                          KP116 integrates functions and protections of Under Voltage Lockout (UVLO), Cycle-by-cycle Current Limiting (OCP), Thermal Foldack (OTP), Output Over Voltage Protection (OVP), LED Open/Short Protection, etc.


                                          Features

                                          l   Proprietary Active PFC for High PF and Low THD

                                          l   PF>0.95 and THD<15% with Universal Input

                                          l   Built-in HV Startup and IC Power Supply Circuit

                                          l   Quasi-Resonant for High Efficiency

                                          l   ±3% CC Regulation

                                          l   Very Low VDD Operation Current

                                          l   Excellent Line and Load Regulation

                                          l   LED Open/Short Protection

                                          l   Built-in Protections:

                                          n  Output Over Voltage  Protection (OVP)

                                          n  Cycle-by-Cycle Current Limiting (OCP)

                                          n  Leading Edge Blanking (LEB)

                                          n  LED Open/Short Protection

                                          n  On-Chip Thermal Foldback (OTP)

                                          l   Available in SOP-8 Package

                                          Applications

                                          l  T5/T8 LED Tube

                                          l  High PF LED Bulb


                                          Pin Configuration

                                          Typical Application Circuit

                                          Ordering Information

                                          Part Number
                                          Description
                                          KP116SPASOP-8, Pb free in T&R, 4000Pcs/Reel


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