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MAX6886
Pin-Selectable, Hex Power-Supply Supervisory Circuit


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Description
FULL DATA SHEET (PDF, 240kB)
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The MAX6886 pin-selectable, multivoltage supply supervisor monitors six voltage-detector inputs and one watchdog input, asserting a RESET-bar when inputs drop below the selected voltage thresholds or the watchdog timer expires. Manual reset and margin disable inputs offer additional flexibility.

Five logic inputs select the MAX6886 thresholds. Logic inputs select a supply tolerance (5% or 10%) and 1 of 32 factory-set threshold settings. Connect external capacitors or use the factory default setting to set the watchdog timeout periods and reset time delay.

The MAX6886 is available in a 20-pin thin QFN (5mm x 5mm x 0.8mm) package and operates over the extended -40°C to +85°C temperature range.

Key Features   Applications/Uses
  • 32 Pin-Selectable Undervoltage Detector Thresholds
  • Capacitor-Adjustable Reset and Watchdog Timeout Periods
  • Factory Default Reset and Watchdog Timeout Periods
  • Margining Disable and Manual Reset Controls
  • -40°C to +85°C Operating Temperature Range
  • Small 5mm x 5mm 20-Pin Thin QFN Package
  • Few External Components
  • ±1% Threshold Accuracy

     
  • Multivoltage Systems
  • Networking
  • Servers/Workstations/Storage Systems
  • Telecom

    Key Specifications:   Supervisors (> 5 Monitored Voltages)
    Part Number Number of Monitored Voltages Interface Reset Threshold Range (V) Active-Low Reset Output Min. Reset Timeout Range Watchdog Feature Nom. Watchdog Timeout Range Supervisor Features Max. ICC (µA) Price**
    MAX6886  6 Pin-Selectable 0 to 1.2
    1.2 to 1.8
    1.8 to 2.5
    2.5 to 3.3
    3.3 to 5.5
    >=5.5
    Open Drain Adjustable Input (WDI)
    Extended Setup Period
    Adjustable Manual Reset 2000 $3.89 @ 1k
    See All Supervisors (> 5 Monitored Voltages) (19)
    Notes:
    **This pricing is BUDGETARY, for comparing similar parts. Prices are in U.S. dollars and subject to change. Quantity pricing may vary substantially and international prices may differ due to local duties, taxes, fees, and exchange rates. For volume-specific prices and delivery, please see the price and availability page or contact an authorized distributor.

    Diagram
    MAX6886: Typical Operating Circuit
    Typical Operating Circuit

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    Document Ref.: 19-3587; Rev 0; 2005-02-15
    This page last modified: 2005-05-18



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