Quad Voltage Monitor in µMAX Package | Heisener Electronics
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Quad Voltage Monitor in µMAX Package

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포스트 날짜: 2023-03-01, Maxim Integrated

The MAX6338 quad voltage monitor is capable of monitoring up to four power supplies without any external components. A variety of factory-adjusted threshold voltages and power supply tolerances can be used to optimize the MAX6338 for specific applications. The selection includes input options for monitoring voltages of +5.0V, +3.3V, +3.0V, +2.5V, +1.8V and -5.0V.


Typical Operating Characteristics

    

An additional high input impedance comparator option can be used as an adjustable voltage monitor, a universal comparator, or a digital level converter. Each monitored voltage has a jump gate threshold to support a power supply tolerance of 5% or 10% below the nominal voltage. Internal bandgap reference ensures accurate trip thresholds over the extended operating temperature range (-40°C to +85°C).


Typical Operating Circuit

             


The MAX6338 consumes 25µA(typical) supply current and operates at +2.5V to +5.5V. When the VCC falls below the minimum operating voltage, the internal undervoltage locking circuit forces all four digital outputs low. All four digital outputs have weak internal pull-up to the VCC, allowing wire or connections. Each input threshold voltage has an independent output.


Applications

● Telecommunications

● High-End Printers

● Desktop and Notebook Computers

● Data Storage Equipment

● Networking Equipment

● Industrial Equipment

● Set-Top Boxes

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