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Datasheet Linear Technology LTC2903-C1

ManufacturerLinear Technology
SeriesLTC2903-C1

Precision Quad Supply Monitor in 6-Lead SOT-23

Datasheets

  • Download » Datasheet PDF, 166 Kb, Revision: A, File uploaded: Oct 25, 2017
    LTC2903-1 - Precision Quad Supply Monitor in 6-Lead SOT-23
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    LTC2903-1
    Precision Quad Supply
    Monitor in 6-Lead SOT-23 U FEATURES
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    в–  DESCRIPTIO Ultralow Voltage Reset: VCC = 0.5V Guaranteed
    Monitor Four Inputs Simultaneously
    3.3V, 2.5V, 1.8V, ADJ (LTC2903-A1)
    5V, 3.3V, 2.5V, 1.8V (LTC2903-B1)
    5V, 3.3V, 1.8V, –5.2V (LTC2903-C1)
    3.3V, ADJ, ADJ, ADJ (LTC2903-D1)
    5V, ADJ, ADJ, ADJ (LTC2903-E1)
    Guaranteed Threshold Accuracy: В±1.5% of
    Monitored Voltage over Temperature
    10% (A1, B1, C1) and 5% (D1, E1) Undervoltage
    Monitoring
    Low Supply Current: 20ВµA Typical
    200ms Reset Time Delay ...

Prices

Other Options

LTC2903-A1 LTC2903-B1 LTC2903-D1 LTC2903-E1

Articles

  • Download » Articles - LT Journal PDF, 135 Kb, File published: Dec 1, 2003
    Low Voltage Wizardry Provides the Ultimate Power-On Reset Circuit
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    DESIGN FEATURES Low Voltage Wizardry Provides the
    Ultimate Power-On Reset Circuit
    by Bob Jurgilewicz The Low Voltage
    Reset Problem VRST
    VIN Figure 2. Traditional NMOS pull-down circuit 14 5V
    3.3V DC/DC
    CONVERTER 2.5V
    1.8V SYSTEM
    LOGIC C1
    0.1ВµF
    C2
    0.1ВµF LTC2903B-2
    V1
    RST
    GND V4 V2 V3 Figure 1. Typical application using the LTC2903B for quad supply monitoring inside the chip). Second, there is a
    limit to how small the external resistor
    can be before the resistor overcomes
    the pull-up strength of the PMOS
    transistor. Third, low power systems
    will suffer while the reset node is logic
    high, since the external resistor will
    continuously dissipate power. With
    a 5V output and a 100kО© external ...

Manufacturer's Classification

  • Monitor, Control and Protection > Supervisory Circuits > Quad or More Supply Monitors

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