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MAX6880 - Power-Supply Sequencers/Supervisors

General Description

The MAX6880

MAX6883 dual-/triple-voltage monitors are designed to sequence power supplies during power-up condition.

When all of the voltages exceed their respective thresholds, these devices turn on voltages to the system sequentially, enhancing n-channel MOSFETs used as switches.

Key Features

  • Capacitor-Adjustable Power-Up Sequencing Delay.
  • Internal Charge Pumps to Enhance External n-Channel FETs.
  • Capacitor-Adjustable Timeout Period Power-Good Output (MAX6880/MAX6882).
  • Adjustable Undervoltage Lockout or Logic-Enable Input.
  • Internal 100Ω Pulldown for Each Output to Discharge Capacitive Load Quickly.
  • 0.5V to 5.5V Nominal IN_/OUT_ Range.
  • 2.7V to 5.5V Operating Voltage Range.
  • Immune to Short Voltage Transients.

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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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www.DataSheet4U.com 19-3772; Rev 1; 10/05 Dual-/Triple-Voltage, Power-Supply Sequencers/Supervisors General Description The MAX6880–MAX6883 dual-/triple-voltage monitors are designed to sequence power supplies during power-up condition. When all of the voltages exceed their respective thresholds, these devices turn on voltages to the system sequentially, enhancing n-channel MOSFETs used as switches. The time between each sequenced voltage is determined by an external capacitor, thus allowing flexibility in delay timing. The MAX6880/MAX6881 sequence three voltages and the MAX6882/MAX6883 sequence two voltages.