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MAX14544 - (MAX14544 / MAX14545) ILIM VBUS Accessory Switch

General Description

The MAX14544/MAX14545 are overcurrent detection switches that can provide power to external accessories while preventing the host device from damage due to faulty overload conditions.

These analog switches feature a 270mω (typ) on-resistance and operate from a +2.3V to +5.5V input voltage range.

Key Features

  • that include thermal shutdown protection, reversewww. DataSheet4U. com current blocking, and overvoltage protection. The MAX14544/MAX14545 are offered in a space-saving, 8-pin, 2mm x 2mm TDFN package, and operate over the -40NC to +85NC extended temperature range. Features S 200mA or 400mA Selectable Current Limit S Output Capable of Withstanding +28V S Reverse-Current Shutdown Protection S +2.3V to +5.5V Input Operation Range S Undervoltage Lockout S Autoretry or Latchoff Option S Thermal.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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19-5037; Rev 0; 1/10 28V-Capable, ILIM VBUS Accessory Switch General Description The MAX14544/MAX14545 are overcurrent detection switches that can provide power to external accessories while preventing the host device from damage due to faulty overload conditions. These analog switches feature a 270mω (typ) on-resistance and operate from a +2.3V to +5.5V input voltage range. The selectable current limit of 200mA or 400mA makes them ideal for load-switching applications. The MAX14544 has an autoretry feature, whereas the MAX14545 has a latchoff feature. When the switch is off, OUT can withstand 28V maximum. When the switch is on and a load is connected to the port, a blanking time of 10.5ms ensures that the transient voltage settles down.