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Datasheet Microchip MIC1810

ManufacturerMicrochip
SeriesMIC1810

The MIC1810 is an inexpensive microprocessor supervisory circuit that monitors power supplies in microprocessor based systems

Datasheets

  • Download » Datasheet PDF, 225 Kb, Revision: 11-05-2015
    MIC1810 - Microprocessor Reset Circuit
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    MIC1810 Micrel MIC1810
    Microprocessor Reset Circuit General Description Features The MIC1810 is an inexpensive microprocessor supervisory
    circuit that monitors power supplies in microprocessor based
    systems.
    The function of these devices is to assert a reset if the power
    supply drops below a designated reset threshold level. Several
    different reset threshold levels are available to accommodate
    5%, 10%, or 15% drop in 5V powered systems.
    The MIC1810 has an active low /RESET output. The reset
    output is guaranteed to remain asserted for a minimum of
    100ms after VCChas risen above the designated reset threshold level. The MIC1810 comes in a 3-pin SOT-23 package. Precision voltage monitor for 5%, 10%, or 15% drop in
    5V power supplies /RESET remains valid with VCC as low as 1V 5ВµA supply current (typical) 100ms minimum reset pulse width No external components required Available in 3-pin SOT-23 package Ordering Information Applications Portable equipment
    Intelligent instruments
    Critical microprocessor power monitoring
    Printers/computers
    Embedded controllers Marking* Threshold
    Voltage Operating Temp. Range Package Pb-Free MIC1810-5U NA 4.62V –40°C to +85°C SOT-23 No MIC1810-10U NB 4.37V –40°C to +85°C SOT-23 No MIC1810-15U NC 4.12V –40°C to +85°C SOT-23 No MIC1810-5UY NA 4.62V –40°C to +85°C SOT-23 Yes Part Number MIC1810-10UY NB 4.37V –40°C to +85°C SOT-23 Yes MIC1810-15UY NC 4.12V –40°C to +85°C SOT-23 Yes * Underbar symbol may not be to scale Typical Application VCC VCC VCC MIC1810 µP RESET RESET Micrel, Inc. 2180 Fortune Drive San Jose, CA 95131 USA tel + 1 (408) 944-0800 fax + 1 (408) 474-1000 http://www.micrel.com July 2005 1 MIC1810 MIC1810 Micrel Pin Configuration RESET 1 MIC1810 3 GND VCC 2 3-Lead SOT-23 Pin Description
    Pin Number Pin Name 1 /RESET MIC1810 Pin Function
    /RESET goes low if VCC falls below the reset threshold and remains asserted for one reset timeout period (100ms min) after VCC exceeds the reset
    threshold. 2 VCC Power supply input. 3 GND IC ground pin 2 July 2005 MIC1810 Micrel Absolute Maximum Ratings(Note 1) Operating Ratings(Note 2) Terminal Voltage (VCC) .–0.3V to +6V
    Input Current (VCC). 20mA
    Output Current, /RESET . 20mA
    Rate of Rise (VCC) . 100V/Вµs ...

Prices

Status

MIC1810-10UY-TRMIC1810-15UY-TRMIC1810-5UY-TR
Lifecycle StatusProduction (Appropriate for new designs but newer alternatives may exist)Production (Appropriate for new designs but newer alternatives may exist)Production (Appropriate for new designs but newer alternatives may exist)

Packaging

MIC1810-10UY-TRMIC1810-15UY-TRMIC1810-5UY-TR
PackageSOT-23SOT-23SOT-23
Pins333

Parametrics

MIC1810-10UY-TRMIC1810-15UY-TRMIC1810-5UY-TR
Manual ResetNoNoNo
Nominal Reset Voltage, V4.12, 4.37, 4,624.12, 4.37, 4,624.12, 4.37, 4,62
Operating Temp. Range, °C-40 to 85-40 to 85-40 to 85
Operating Temperature Range, °C-40 to +85-40 to +85-40 to +85
OutputPush-PullPush-PullPush-Pull
Power FailNoNoNo
Product TypeSupervisorSupervisorSupervisor
Reset TypeActive LowActive LowActive Low
Typical Reset Pulse Width, ms100100100
Typical Supply Current, µA555
VCC Range, V1.5 - 5.51.5 - 5.51.5 - 5.5
Watchdog TimerNoNoNo

Eco Plan

MIC1810-10UY-TRMIC1810-15UY-TRMIC1810-5UY-TR
RoHSCompliantCompliantCompliant

Moldel Line

Series: MIC1810 (3)

Manufacturer's Classification

  • Power Management > Voltage Detectors

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