LTC1470

U U FEATURES ■ Single 3.3V/5V Switch in 8-Pin SO Package ■ Dual 3.3V/5V Switch in 16-Pin SO Package ■ Built-In Current Limit and Thermal Shutdown ■ Built-In Charge Pumps (No 12V Required) ■ Extremely Low RDS(ON) MOSFET Switches ■ Output Current Capability: 1A ■ Inrush Current Limited (Drives 150µF Loads) ■ Quiescent Current in Standby: 1µA ■ No Parasitic Body Diodes ■ Built-In XOR Function Eliminates “Glue” Logic ■ Break-Before-Make Switching ■ Controlled Rise and Fall Times ■ Available in 8-Pin and 16-Pin SO Packages U APPLICATIO S ■ Set Top Box/Open Cable ■ Notebook Computers ■ Palmtop Computers ■ Pen-Based Computers ■ Handi-Terminals ■ 3.3V/5V Power Supply Switch LTC1470/LTC1471 Single and Dual PCMCIA Protected 3.3V/5V VCC Switches DESCRIPTIO The LTC®1470 switches the VCC pins of a Personal Computer Memory Card International Association (PCMCIA) card slot between three operating states: OFF, 3.3V and 5V. Two low RDS(ON) N-channel power ...