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1.6A, 500KHz Synchronous Rectified Step-up Converter


The EUP2410 is a highly efficient, synchronous, fixed frequency, current-mode step-up converter with output to input disconnect, inrush current limiting and internal soft-start. It includes an error amplifier, ramp generator, comparator, N-Channel switch and P-Channel synchronous rectified switch (which greatly improves efficiency). The output disconnect feature allows the output to be completely isolated from the input in shutdown mode.

The 500KHz switching frequency allows for smaller external components producing a compact solution for a wide range of load currents. The internal compensation and soft-start minimizes the external component count and limits the inrush current during startup. The EUP2410 regulates the output voltage up to 6V and provides up to 600mA from 2.2V input with a 3.3V output.

The EUP2410 is offered in a thin SOT23-5 package.


  • • Internal Synchronous Rectifier
  • • Output to Input Disconnect at Shutdown Mode
  • • Over 90% Efficiency
  • • Internal Soft-Start and Internal Compensation
  • • 1.6A Typical Switch Current Limit
  • • 500KHz Fixed Switching Frequency
  • • Zero Current Shutdown Mode
  • • Thermal Shutdown
  • • 5-Pin TSOT-23 Package
  • • RoHS Compliant and 100% Lead (Pb)-Free


  • • MP3 Players
  • • Handheld Computers and PDAs
  • • Digital Still and Video Cameras
  • • External Modems
  • • Small LCD Displays
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