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DP9126IX1 - Non-Isolated Buck APFC Offline LED Power Switch

General Description

DP9126IX1 series are a highly integrated power switch with constant current (CC) control for LED lighting applications.

The IC utilizes QuasiResonant (QR) Buck topology with active PFC control for high PF, low THD, and high efficiency.

Key Features

  • Active PFC for High PF and Low THD.
  • PF>0.9 with Universal Input.
  • Built-in HV Startup and IC Power Supply Circuit.
  • Internal 550V Power MOSFET.
  • Quasi-Resonant for High Efficiency.
  • ±1% CC Regulation.
  • Very Low VDD Operation Current.
  • Excellent Line and Load Regulation.
  • LED Open/Short Protection.
  • Build in Protections:.
  • Output Over Voltage Protection (OVP).
  • Cycle-by-Cycle Current Limiting (OCP).
  • Leading Edge Blanking (LEB).
  • LED Open.

📥 Download Datasheet

Datasheet Details

Part number DP9126IX1
Manufacturer DP
File Size 1.04 MB
Description Non-Isolated Buck APFC Offline LED Power Switch
Datasheet download datasheet DP9126IX1 Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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DP9126IX1 Non-Isolated Buck APFC Offline LED P1ower Switch FEATURES  Active PFC for High PF and Low THD  PF>0.9 with Universal Input  Built-in HV Startup and IC Power Supply Circuit  Internal 550V Power MOSFET  Quasi-Resonant for High Efficiency  ±1% CC Regulation  Very Low VDD Operation Current  Excellent Line and Load Regulation  LED Open/Short Protection  Build in Protections:  Output Over Voltage Protection (OVP)  Cycle-by-Cycle Current Limiting (OCP)  Leading Edge Blanking (LEB)  LED Open/Short Protection  On-Chip Thermal Foldback (OTP)  Available in SOP-7 Package APPLICATIONS  LED Lighting TYPICAL APPLICATION CIRCUIT GENERAL DESCRIPTION DP9126IX1 series are a highly integrated power switch with constant current (CC) control for LED lighting applications.