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CAT859

Features: `Precision monitoring of +3.3V (-5%, -10%), 5V (-10% Power Supplies)`Active low reset output`Reset valid down to VCC = 1.0V`6A power supply current`Power supply transient immunity`Industrial temperature range: -40ºC to +85ºC`RoHS-compliant SOT-23 packageApplication·Computers·Se...

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SeekIC No. : 004310777 Detail

CAT859: Features: `Precision monitoring of +3.3V (-5%, -10%), 5V (-10% Power Supplies)`Active low reset output`Reset valid down to VCC = 1.0V`6A power supply current`Power supply transient immunity`Industri...

CAT859 Data Sheet

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Part Number:
CAT859
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/12/21

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Product Details

Description



Features:

`Precision monitoring of +3.3V (-5%, -10%), 5V (-10% Power Supplies)
`Active low reset output
`Reset valid down to VCC = 1.0V
`6A power supply current
`Power supply transient immunity
`Industrial temperature range: -40ºC to +85ºC
`RoHS-compliant SOT-23 package




Application

·Computers
·Servers
·Laptops
·Cable modems
·Wireless communications
·Embedded control systems
·White goods
·Power meters
·Intelligent instruments
·PDAs and handheld equipment




Pinout

Connection Diagram




Specifications

Any pin with respect to ground -0.3V to +6.0V
Input Current, VCC 20mA
Output Current,RESET20mA
Rate of Rise, VCC 100V/s
Continuous Power Dissipation
Derate 4mW/ºC above 70ºC (SOT23) 320 mW
Operating Temperature Range -40ºC to +85ºC
Storage Temperature Range -65ºC to +105ºC
Lead Soldering Temperature (10 sec) 300ºC




Description

The CAT853, CAT863, CAT859, and CAT869 are supervisory circuits that monitor power supplies in digital systems.

These devices generate a reset signal, which is asserted while the power supply voltage is below a preset threshold level and for at least 140 ms after the power supply level has risen above that level. Industry standard threshold levels are offered to support +3.3V or 5.0V systems. The CAT859 and CAT869 feature a RESET push-pull output (active low) for the two pinout options.

The CAT853 and CAT863 feature an open drainRESET output (active low). Both require a pull-up resistor on theRESET output.

Fast transients on the power supply are ignored and the output is guaranteed to be in the correct state at Vcc levels as low as 1.0V.






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