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DC-DC Converter
LED Chip
LED Chip
SD7551 _Datasheet

SD7551 is the dimming signal conversion IC, it integrates 12VLDO, 5VLDO, 12V stabilized voltage output and current source, which simplifies the peripheral circuit. The input signal can be 0~10V, PWM or voltage signal which can be converted to PWM output. The smooth output is well suitable for LED dimming and excellent user experience.


Main feature
  • VIN input range: 15V~100V;
  • Integrated 12VLDO and 5VLDO;
  • 0~10V, PWM or voltage signals can be converted to PWM output;
  • Settable current source: 50uA, 100uA, 200uA, 500uA;
  • Over temperature protection


Ordering Information
Product Name Package form Marking Hazardous Substance Control Packing Type Remarks
SD7551 SOP-16-225-1.27 751 Halogen free Tube
Block Diagram

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