FPF1009 ON Semiconductor

 1.2 to 5.5 V Input Voltage Range
 Typical RON = 30 mΩ at VIN = 5.5 V
 Typical RON = 40 mΩ at VIN = 3.3 V
 Fixed Three Different Turn-on Rise Time.

 PDAs  Cell Phones  GPS Devices  MP3 Players  Digital Cameras  Peripheral Ports  Hot-Swap Sup.