GENERAL DESCRIPTION

The ADM1072 is a logic controlled, dual P-channel switch with low on resistance and a built-in current limiter, capable of sourcing up to 1A from supply voltages between 2.7V and 5.5V. In addition to logic inputs that switch each channel on and off, the device has a standby input that switches the output current limit, making it ideal for use with USB peripherals. In normal operating mode and Standby mode the output current is typically limited to 500mA and 100mA respectively, as outlined by the USB2.0 Specification. This allows the system power supply to be protected against short-circuits and surge currents in peripheral USB devices powered via the ADM1072.

FEATURES

500mA Load Current (100mA in Standby Mode)

135mΩ On Resistance

Switchable Current Limit

50µA Typical Quiescent Current

10nA Typical Shutdown Current

40nA Typical Switch Off Leakage

Short-Circuit Protection

Thermal Shutdown

FLT Outputs

Small, 16-Pin QSOP Package

APPLICATIONS

Desktop Computers

Palmtop Computers

Notebook Computers

Hand-Held Instruments

Universal Serial Bus (USB)