2021久久天天躁狠狠躁夜夜

  1. <big id="ojzd2"></big>
  2. <tr id="ojzd2"></tr>

  3. <code id="ojzd2"></code>
    <center id="ojzd2"><ol id="ojzd2"><p id="ojzd2"></p></ol></center>
  4. <strike id="ojzd2"></strike>
    <tr id="ojzd2"></tr>

      KP1053B

      Non-isolated Quasi-Resonant Buck LED Power Switch
      Download

      General Description

      KP1053B is a highly integrated power switch with Quasi-Resonant Buck (QR-Buck) constant current (CC) control for LED lighting applications.

      KP1053B combines a 500V power MOSFET switch with a power controller in one chip. The IC also integrates high voltage LDO supply circuit without VDD Cap, Current sampling circuit and a novel transformer demagnetization circuit, which eliminates transformer auxiliary winding. The IC adopts Quasi-Resonant control for high efficiency.

      KP1053B integrates functions and protections of Current Limit and Leading Edge Blanking, Under Voltage Lockout (UVLO), Cycle-by-cycle Current Limiting (OCP), Thermal Foldback (OTP), LED Short Protection, etc.


      Features

      l   Integrated with 500V MOSFET

      l   Fixed Output 100mA Output Current

      l   Integrated HV LDO and Current Sensing

      l   No VDD Cap, No Current Sensing Resistor

      l   Single Winding Inductor Design

      l   Quasi-Resonant for High Efficiency

      l   ±4% CC Regulation

      l   Very Low VDD Operation Current

      l   Built-in AC Line CC Compensation

      l   Build in Protections:

      n  LED Short Protection

      n  On-Chip Thermal Fold-back (OTP)

      n  Cycle-by-Cycle Current Limiting

      n  Leading Edge Blanking (LEB)

      n  Pin Floating Protection

      n  VDD UVLO

      l   Available with SOP-8 and SOT33-4 Package


      Applications

      l   LED Lighting


      Pin Configuration

      Typical Application Circuit

      Ordering Information

      Part Number

      Description

      KP1053BSPA

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

      KP1053BMPA

      SOT33-4, Pb free in T&R, 15000Pcs/Reel


      Back
      2021久久天天躁狠狠躁夜夜