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General Description

The MAX869L P-channel load switch features an accurate user-set current limit and low on-resistance. This switch is designed to protect your power source from shorts and surges by limiting current and preventing the system supply from being pulled low. The input voltage range is 2.7V to 5.5V.

The MAX869L features a 2A, 45mΩ switch controlled by a logic signal. Current-limit accuracy is ±21, and can be set from 400mA to 2.4A using a single resistor.

Features

♦ Very Small Footprint (16-pin QSOP is the same size as an 8-pin SO)

♦ Low Resistance: 45mΩ at 3V

♦ ±21-Accurate, User-Set Current Limit

♦ 12µA (typ) Quiescent Current

♦ 0.01µA (typ) Shutdown Current

♦ 0.04µA (typ) Leakage to Output when Switch is Off

♦ 2.7V to 5.5V Input Range

♦ Thermal Shutdown

♦ FAULT Output

Applications

  Universal Serial Bus (USB)

  Notebook Computers

  Personal Communicators

  Palmtop Computers

  Hand-Held Instruments

  Portable Medical Instruments