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MAX16126 - Load-Dump/Reverse-Voltage Protector

General Description

The MAX16126/MAX16127 load-dump/reverse-voltage protection circuits protect power supplies from damaging input voltage conditions, including overvoltage, reversevoltage, and high-voltage transient pulses.

Key Features

  • Increases Protection of Sensitive Electronic Components in Harsh Environments.
  • -36V to +90V Wide Input-Voltage Protection Range.
  • Fast Gate Shutoff During Fault Conditions with Complete Load Isolation.
  • Thermal-Shutdown Protection.
  • Active-Low FLAG Output Identifies Fault Condition.
  • AEC-Q100 Automotive Qualified.
  • Operates Down to +3V, Riding Out Cold-Crank Conditions.
  • -40°C to +125°C Operating Temperature Range.

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MAX16127 Load-Dump/Reverse-Voltage Protector
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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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EVALUATION KIT AVAILABLE Click here for production status of specific part numbers. MAX16126/MAX16127 Load-Dump/Reverse-Voltage Protection Circuits General Description The MAX16126/MAX16127 load-dump/reverse-voltage protection circuits protect power supplies from damaging input voltage conditions, including overvoltage, reversevoltage, and high-voltage transient pulses. Using a built-in charge pump, the devices control two external back-to-back n-channel MOSFETs that turn off and isolate downstream power supplies during damaging input conditions, such as an automotive load-dump pulse or a reverse-battery condition. Operation is guaranteed down to 3V to ensure proper operation during automotive cold-crank conditions.