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MAX4789 - 200mA/250mA/300mA Current-Limit Switches

General Description

The MAX4789

MAX4794 family of switches feature internal current limiting to prevent damage to host devices due to faulty load conditions.

These analog switches have a low 0.2Ω on-resistance and operate from 2.3V to 5.5V input voltage range.

Key Features

  • Guaranteed Current Limit: 200mA, 250mA, 300mA.
  • Thermal-Shutdown Protection.
  • Reverse Current Protection.
  • 0.2Ω On-Resistance.
  • 14ms Guaranteed Blanking Time.
  • FLAG Function (MAX4789/MAX4791/MAX4793).
  • 80µA Supply Current.
  • 8µA Latch-Off Current (MAX4789/MAX4791/MAX4793).
  • 0.01µA Shutdown Current.
  • 2.3V to 5.5V Supply Range.
  • Undervoltage Lockout.
  • Fast Current-Limit Response Time (5µs).

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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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Click here for production status of specific part numbers. MAX4789–MAX4794 200mA/250mA/300mA Current-Limit Switches General Description The MAX4789–MAX4794 family of switches feature internal current limiting to prevent damage to host devices due to faulty load conditions. These analog switches have a low 0.2Ω on-resistance and operate from 2.3V to 5.5V input voltage range. They are available with guaranteed 200mA, 250mA, and 300mA current limits, making them ideal for SDIO and other load switching applications. When the switch is on and a load is connected to the port, a guaranteed blanking time of 14ms ensures that the transient voltages settle down.