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      KP107

      Non-isolated Quasi-Resonant Buck LED Controller
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      General Description

      KP107 is a highly integrated LED Controller with Quasi-Resonant Buck (QR-Buck) constant current (CC) control for LED lighting applications without auxiliary winding.

      KP107 integrates with high voltage startup and IC supply circuit, which reduced system design cost. The IC also adopts high accuracy current sensing control method which maintains accurate output current and good line/load regulation.

      KP107 integrates functions and protections of Current Limit and Leading Edge Blanking, Under Voltage Lockout (UVLO), Cycle-by-cycle Current Limiting (OCP), Thermal Foldback (OTP), Output Over Voltage Protection (OVP), LED Open/Short Protection, etc.


      Features

      l   Integrated HV VDD Power Supply Circuit

      l   ±5% CC Regulation

      l   Quasi-Resonant for High Efficiency

      l   Very Low VDD Operation Current

      l   Built-in AC Line CC Compensation

      l   Build in Protections:

      n  Output Over Voltage Protection (OVP)

      n  Cycle-by-Cycle Current Limiting

      n  Sense-resistor Short Protection

      n  Leading Edge Blanking (LEB)

      n  LED Short/Open Protection

      n  On-Chip Thermal Fold-back (OTP)

      l   Available with SOP-8 Package


      Applications

      l   High Power LED Lighting


      Pin Configuration

      Typical Application Circuit

      Ordering Information

      Part Number

      Description

      KP107SPA

      SOP-8, Pb free in T&R, 4000Pcs/Reel


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      亚洲精品国产精品乱码不卞,国内揄拍高清国内精品对白,中文字幕精品无码亚洲字幕成A人