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MIC809

Features: • Precision voltage monitor for 3V, 3.3V or 5V power sup-plies• /RESET remains valid with VCC as low as 1.4V for SOT-23 packaged part• /RESET remains valid with VCC as low as 1V for SC70 packaged part• Typically less than15µA supply current for SOT-23 pack-a...

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SeekIC No. : 004421089 Detail

MIC809: Features: • Precision voltage monitor for 3V, 3.3V or 5V power sup-plies• /RESET remains valid with VCC as low as 1.4V for SOT-23 packaged part• /RESET remains valid with VCC as lo...

MIC809 Data Sheet

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Part Number:
MIC809
Supply Ability:
5000

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

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Product Details

Description



Features:

•  Precision voltage monitor for 3V, 3.3V or 5V power sup-plies
•  /RESET remains valid with VCC as low as 1.4V for SOT-23 packaged part
•  /RESET remains valid with VCC as low as 1V for SC70 packaged part
•  Typically less than15µA supply current for SOT-23 pack-aged part
•  5µ typical supply current for SC70 packaged part
•  140ms minimum reset pulse widths available
•  Available in 3-pin SOT-23 and SC-70 package


Application

•  Portable equipment
•  Intelligent instruments
•  Critical microprocessor power monitoring
•  Printers/computers
•  Controllers


Specifications

Terminal Voltage (VCC) ...................................0.3V to 6.0V
Input Current (VCC) ..................................................... 20mA
Output Current (RESET, /RESET) ..............................     20mA
Lead Temperature (soldering, 10 sec.) ...................... 300°C
Storage Temperature (TS) .........................65°C to 150°C
Rate of Rise (VCC) ..................................................   100V/µs
ESD Rating(3) . . . . . . . . . . . . . . . . . . . . .3kV (SC70 Package)


Description

The MIC809 and MIC810 are  inexpensive microprocessor supervisory circuits  that   monitor power supplies  in micro-processor based systems.

The function of MIC809is to assert a reset if the power supply drops below a designated reset threshold level. Several different reset threshold levels are available to accommodate 3V, 3.3V or 5V powered systems.

The MIC809  has  an  active-low  /RESET  output, while  the MIC810 offers an active-high RESET output. The reset output is guaranteed to remain asserted for a minimum of 140ms after VCC has  risen above  the designated  reset  threshold level. Having a push-pull output stage, the MIC809/810 does not require a pull-up resistor at the output. The MIC809/810 comes in a 3-pin SOT-23 and SC-70 package.

The MIC809  is also available with a shorter  reset  timeout (30ms min.). See the MIC809-5.

All support documentation of MIC809 can be found on Micrel's web site at www.micrel.com.




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