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    The SDH7752R is a high accuracy LED constant current driver IC, it is applicable to non-isolated buck LED constant current power system with full AC input voltage range of 85VAC~265VAC.

    The SDH7752R integrates rectifier bridge, a 500V high-voltage power MOSFET and 600V freewheeling diode, which simplifies peripheral devices; it has a built-in high-voltage power circuit, is able to supply power to itself without any startup resistor or auxiliary winding, and at the same time, a traditional external power supply capacitor is omitted, which greatly shortens the startup time as well as saves the system cost.

    The SDH7752R works in inductor current boundary conduction mode, it uses a unique high-accuracy current sense technology, achieving high constant current accuracy and excellent line/load regulation. The SDH7752R provides many protections, such as output short circuit protection, cycle-by-cycle over current protection, over temperature regulation, and open circuit protection for sensing resistor, which greatly improves the system safety and reliability.


Main feature
  • Integrated rectifier bridge

  • Built-in 500V high voltage power MOSFET

  • Integrated 600V ultrafast recovery diode

  • Integrated high-voltage power supply, startup resistor and VCC capacitor are unnecessary

  • Accurate constant current (<±3%) supplied to LED

  • Output short circuit protection

  • Over temperature regulation

  • Cycle-by-cycle over current protection

  • No auxiliary winding


Ordering Information
Product Name Package form Marking Hazardous Substance Control Packing Type Remarks
SDH7752R ASOP-7 / Halogen free Tube
SDH7752RTR ASOP-7 / Halogen free Tape&Reel
Block Diagram

7752R英文.png

Documents
title Types of Size (KB) date Download the latest English version
SDH7752R 0 1970-01-01 SDH7752R Brief Datasheet
Packages