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Compact, Small Package 100mA Power-Distribution Switches

  • High Side N-MOSFET with Internal Charge Pump
  • 0.1A Continuous Current
  • Built-in Soft-Start
  • Wide Supply Voltage Range
  • Current-Limit Protection
  • Input Voltage Under Voltage Lockout Protection
  • Reverse Current Blocking when Switch Disabled
  • Output OVP Protection
  • Reverse Current-Limit Protection
  • Output Discharge
  • Over-Temperature Protection
  • UL Approved-File No. E328191
  • Nemko IEC 60950-1:2005 (2nd Edition); Am 1:2009 CB; EN60950-1:2006; A11:2009; A1:2010 Scheme Certified, No 65711
  • Lead Free and Green Devices Available (RoHS Compliant)

General Description
The APL3517/A/B is a power-distribution switch with current- limiting function and output OVP protections that can deliver current up to 0.1A. The device incorporates a 250mΩ N-channel MOSFET power switch. The device integrates some protection features, including current-limit protection, output over-voltage protection, over-temperature protection and UVLO. The current-limit protection can protect down-stream devices from catastrophic failure by limiting the output current at currentlimit threshold during over-load or short-circuit events. The output over-voltage protection can prevent current flowing from VOUT to VIN when an abnormally high voltage exists in VOUT. The over-temperature protection function shuts down the N-channel MOSFET power switch when the junction temperature rises beyond 140oC and will automatically turns on the power switch when the temperature drops by 20oC. The UVLO function keeps the power switch in off state until there is a valid input voltage present. The device is available in lead free SOT-23-3 and SOT-23-5 packages.

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