TPS2220B

The TPS2220 power-interface switch provides an integrated power-management solution for single Card sockets. The device allows the controlled distribution of3.3V,5V,and12Vtoonecardslot. The current-limiting and thermal-protection features eliminate the need forfuses. Current-limi reporting helps the user isolate a system fault. The switch r DS(on) and current-limit values have been set for the peak and average current requirements statedinthePCCardspecification,and  optimized  for  cost. like the TPS2220A  this device suppoits  independent VPP/VCC switching .The TPS2220B is pin compatible with the TPS2220A exepect for pin 20 of the TPS2220B which has no connection.