Features and Benefits

  • 5V or 3.3V power-on reset
  • True 3V operation power switch
  • Switches to battery at 3.8V (2.6V for 3.3V versions)
  • Excellent for systems designed to operate with dual power supplies
  • Asserts resets during power transients
  • Maintains reset for 350ms after VCC returns to an in-tolerance condition
  • Reduces need for discrete components
  • Precision temperature-compensated voltage reference and voltage sensor
  • 8-pin DIP or space saving 8-pin SO surface mount available
  • CMOS reset output for low current operation
  • Operating temperature of -40°C to +85°C
  • Perfect for PIC microprocessor applications
  • Product Details

    The DS1836 MicroManager performs three vital system functions. First, a precision temperature-compensated reference and comparator circuit monitor the status of the voltage on VCC and when an out-of-tolerance condition is detected, an internal power-fail signal is generated that forces the reset active. If VCC continues to degrade, it switches to the battery supply when VCC drops below 3.8V (2.6V for 3.3V versions). When VCC exceeds 3.9V (2.8V for 3.3V versions); VOUT will again be supplied from VCC. Reset will remain active for 350 ms after VCC returns to an in-tolerance condition.

    Lastly, the DS1836 supports a sense input that sends a non-maskable interrupt whenever the sense input drops below 1.25V.

    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.

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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.

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