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Current Limited High Side Load Switch


The EUP3510 is a current-limit high side power switch for load-switching applications. The switch is able to regulate the current to user settable level when over load occurs. In applications, user can program the current threshold up to 1.5A by adjusting the resistor from SET pin to ground.

The EUP3510 has a low quiescent supply current of 9μA. In shutdown mode, the switch reduces the supply current to less than 1μA.

In addition, the EUP3510 is able to disconnect the output from input when over heat occurs or the input voltage exceeds the under voltage threshold (UVLO).


  • • 2.4V to 5.5V input supply voltage range
  • • Programmed current-limit threshold
  • • 9μA quiescent current
  • • 150 mΩ RDS(ON)
  • • Under Voltage Lockout
  • • Thermal shutdown
  • • Temperature range(-40℃ to 85℃)
  • • Available in a 5-pin SOT23
  • • RoHS Compliant and 100% Lead (Pb)-Free


  • • Hot swap
  • • Peripheral ports
  • • Notebook Computers
  • • Desktop Computers
  • • DC, DV and PDAs
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