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Data Sheet Rev. 5
PDF
CN | JP Rev. 4

Overview

Features and Benefits

  • Low +1.2V Operating Supply Voltage (VCC or VBATT)
  • Precision Monitoring of +5.0, +3.3V, +3.0V, and +2.5V Power-Supply Voltages
  • On-Board Gating of Chip-Enable Signals, 1.5ns Propagation Delay
  • Debounced Manual Reset Input (MAX6365)
  • Watchdog Timer, 1.6s Timeout (MAX6366)
  • Battery-On Output Indicator (MAX6367)
  • Auxiliary User-Adjustable RESET IN (MAX6368)
  • Low 10µA Quiescent Supply Current
  • Three Available Output Structures
    • Push-Pull Active-Low RESET
    • Open-Drain Active-Low RESET
    • Open-Drain RESET
  • RESET/Active-Low RESET Valid Down to 1.2V Guaranteed
    • (VCC or VBATT)
  • Power-Supply Transient Immunity
  • 150ms min Reset Timeout Period
  • Miniature 8-Pin SOT23 Package

Product Details

The MAX6365–MAX6368 supervisory circuits simplify power-supply monitoring, battery-backup control functions, and memory write protection in microprocessor (µP) systems. The circuits significantly improve the size, accuracy, and reliability of modern systems with an ultra-small integrated solution.

These devices perform four basic system functions:

  1. Provide a µP reset output during VCC supply power-up, power-down, and brownout conditions.
  2. Internally control VCC to backup-battery switching to maintain data or low-power operation for CMOS RAM, CMOS µPs, real-time clocks, and other digital logic when the main supply fails.
  3. Provide memory write protection through internal chip-enable gating during supply or processor faults.
  4. Include one of the following options: a manual reset input (MAX6365), a watchdog timer function (MAX6366), a battery-on output (MAX6367), or an auxiliary user-adjustable reset input (MAX6368).
The MAX6365–MAX6368 operate from VCC supply voltages as low as 1.2V. The factory preset reset threshold voltages range from 2.32V to 4.63V (see Ordering Information in the full data sheet). In addition, each part is offered in three reset output versions: push-pull active low, open-drain active low, or open-drain active high (see Selector Guide in the full data sheet). The MAX6365–MAX6368 are available in miniature 8-pin SOT23 packages.

Applications

  • Computers: Desktop, Workstation, Server
  • Notebook Computers
  • Palmtop Computers
  • Pen Entry Palmtops
  • Portable Patient Monitoring/Drug Delivery
  • Portable Test Meters
  • POS Terminals
  • Printers and Faxes
  • Programmable Logic Controllers

Product Categories

Product Lifecycle icon-recommended Production

At least one model within this product family is in production and available for purchase. The product is appropriate for new designs but newer alternatives may exist.

Documentation & Resources

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  • Data Sheets (1)
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    Product Recommendations

    MAX6365L Companion Parts

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    Design Resources

    ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well.  "Zero defects" for shipped products is always our goal.View our quality and reliability program and certifications for more information.

    Part Number Material Declaration Reliability Data Pin/Package Drawing CAD Symbols, Footprints & 3D Models
    MAX6365LKA26+ Material Declaration Reliability Data Small-Outline Transistor Package
    MAX6365LKA26+T Material Declaration Reliability Data Small-Outline Transistor Package
    MAX6365LKA29+ Material Declaration Reliability Data Small-Outline Transistor Package
    MAX6365LKA29+T Material Declaration Reliability Data Small-Outline Transistor Package
    MAX6365LKA31+ Material Declaration Reliability Data Small-Outline Transistor Package
    MAX6365LKA31+T Material Declaration Reliability Data Small-Outline Transistor Package
    MAX6365LKA44+ Material Declaration Reliability Data Small-Outline Transistor Package
    MAX6365LKA44+T Material Declaration Reliability Data Small-Outline Transistor Package
    MAX6365LKA46+T Material Declaration Reliability Data Small-Outline Transistor Package
    Wafer Fabrication Data

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    • MAX6365LKA29+ Production
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