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Union Semiconductor UM810MS

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    Buy cheap Union Semiconductor UM810MS from wholesalers
     
    Buy cheap Union Semiconductor UM810MS from wholesalers
    • Buy cheap Union Semiconductor UM810MS from wholesalers

    Union Semiconductor UM810MS

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    Model Number : UM810MS
    Delivery Time : 10-15 working days
    Brand Name : UM810MS
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    Union Semiconductor UM810MS

    Product Overview

    The UM809/810 series are ultra-low current, cost-effective system supervisory circuits designed to monitor power supplies in digital systems. They provide a reset signal to the host processor when necessary, offering excellent circuit reliability and low cost by eliminating external components and adjustments when used with +5V, +3.3V, +3.0V, or other voltage-powered circuits. The reset output is driven active within 10s of the power supply falling through the reset voltage threshold and remains active for a minimum of 140ms after the system power supply has risen above the reset threshold. Reset threshold options are available for various supply voltages. The UM809 features an active-low reset output, while the UM810 has an active-high reset output. These ICs are optimized to reject fast transient glitches on the power supply line, and the reset output is guaranteed to be in the correct logic state for power supply VCC down to 1V. Each IC includes a voltage reference, comparator, resistors for threshold setting, a delay generator, an output driver, and a hysteresis circuit. The reset threshold and time delay are fixed with high accuracy internally, requiring no external adjustments. A low supply current of 3A (VCC=3V) makes the UM809/810 ideal for low-power applications. Both devices are available in 3-pin SOT323 or SOT23 packages.

    Applications

    • CPU and Logic Circuit Reset
    • Power Fail Detectors
    • Computers
    • Embedded Systems
    • Battery-Powered Equipments
    • Intelligent Instruments

    Brand

    Union IC

    Origin

    N/A (Implied from URL, but not explicitly stated in text)

    Package Types

    SOT323, SOT23-3

    Output Configurations

    Push-Pull Low Active Reset (UM809), Push-Pull High Active Reset (UM810)

    Operating Temperature

    -40C to +85C
    ParameterSymbolConditionsMinTypMaxUnit
    Supply Voltage RangeVCCTA=0C to +70C1.010V
    Supply Voltage RangeVCCTA=-40C to +85C1.210V
    Supply CurrentICCVCC<5.5V, UM8_L/M/J35A
    Supply CurrentICCVCC<3.6V, UM8_R/S/T/Z35A
    Reset Threshold Tempco30ppm/C
    VCC to Reset DelayVCC=VTH to (VTH100mV)10s
    Reset Active Timeout PeriodTA=-40C to +85C140240360ms
    Output Voltage Low (UM809)VOL RESETVCC=VTH min, ISINK=1.2mA, UM809R/S/T/Z0.3V
    Output Voltage Low (UM809)VOL RESETVCC=VTH min, ISINK=3.2mA, UM809J/L/M0.4V
    Output Voltage Low (UM809)VOL RESETVCC1.0V, ISINK=50A0.3V
    Output Voltage High (UM809)VOH RESETVCC>VTH max, ISOURCE=500A, UM809R/S/T/Z0.8*VCCV
    Output Voltage High (UM809)VOH RESETVCC>VTH max, ISOURCE=800A, UM809J/L/MVCC1.5V
    Output Voltage Low (UM810)VOL RESETVCC=VTH max, ISINK=1.2mA, UM810R/S/T/Z0.3V
    Output Voltage Low (UM810)VOL RESETVCC=VTH max, ISINK=3.2mA, UM810J/L/M0.4V
    Output Voltage High (UM810)VOH RESET1.8V<VCC<VTH min, ISOURCE=150A0.8*VCCV
    Reset Threshold (V)Part Code SuffixTypical Reset Threshold (V)
    2.5VR2.63
    2.8VS2.93
    3.0VT3.08
    3.3VZ2.32
    5.0VL/M/J4.63/4.38/4.00
    ParameterSymbolValueUnit
    Supply VoltageVCC-0.3 to +10V
    RESET, RESET Output Voltage-0.3 to VCC+0.3V
    Input Current, VCCICC20mA
    Output Current, RESET, RESETIO20mA
    Rate of Rise, VCC100V/s
    Continuous Power Dissipation (SOT323)PD174mW
    Continuous Power Dissipation (SOT23-3)PD320mW
    Operating Junction TemperatureTJ-40 to +85C
    Storage Temperature RangeTSTG-65 to +150C
    Lead Temperature (Soldering, 10s)300C
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