General Description

The MAX1823 is a dual, current-limited switch with autoreset specifically made for USB applications. The autoreset feature latches the switch off if the output is shorted, saving system power. The switch reactivates when the short circuit is removed. Each channel is guaranteed to supply 720mA and meet USB specifications. Low quiescent supply current (50µA) and standby current (3µA) conserve battery power in portable applications.

Features

♦ Dual USB Switch in Tiny 10-Pin µMAX Package

♦ Autoreset Feature Saves Power

♦ Guaranteed 720mA Load per Channel

♦ Built-In 20ms Fault Blanking

♦ Compliant to USB Specification

♦ Blocks Reverse Current in Shutdown (MAX1823A/MAX1823B)

♦ 4V to 5.5V Input Voltage Range

♦ Independent Shutdown Control

    (MAX1823/MAX1823A—Active Low)

    (MAX1823B/MAX1823H—Active High)

♦ Independent FAULT Indicator Outputs

♦ Thermal-Overload Protection

♦ 50µA Quiescent Current (Both Switches On)

♦ 3µA Standby Current

♦ UL Recognized

Applications

    USB Ports and Hubs

    Notebook and Desktop Computers

    PDAs and Palmtop Computers

    Docking Stations

参考价格：8.0563

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