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    The SD42524 is a step-down PWM control LED driver with a built-in power MOSFET. It achieves 1A continuous output current in 6~36V input voltage range. It provides thermal shutdown circuit, current limit circuit and PWM dimming circuit.

    The SD42524 adopts current mode control which provides fast transient response and simple loop stabilization design. It has high efficiency up to more than 96%, When the input/output voltage changed, the output current change rate is within ±1%.


Main feature
  • 6-36V input voltage range

  • Maximum 1A output current

  • 0.40W built-in power MOSFET

  • Integrate Jitter function

  • Thermal compensation

  • PWM dimming function

  • 280kHz fixed frequency

  • Output current accuracy between ICs: ±1.5%

  • High efficiency up to 96%

  • Thermal shutdown

  • Cycle-by-cycle over current protection


Ordering Information
Product Name Package form Marking Hazardous Substance Control Packing Type Remarks
SD42524 SOP-8-225-1.27 SD42524 Pb free Tube
SD42524TR SOP-8-225-1.27 SD42524 Pb free Tape & Reel
Block Diagram

英文.png

Documents
title Types of Size (KB) date Download the latest English version
SD42524 0 1970-01-01 SD42524 Brief Datasheet