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LM431ACMDC

LM431ACMDC Description

Adjustable Precision Zener Shunt Regulator

LM431ACMDC Manufacturer

National Semiconductor

LM431ACMDC Datasheet (PDF)

LM431ACMDC Datasheet

LM431ACMDC Price & Availability


Check LM431ACMDC Price & Availability at Canics

LM431ACMDC Features

  • Average temperature coefficient 50 ppm/°C
  • Temperature compensated for operation over the full temperature range
  • Programmable output voltage
  • Fast turn-on response
  • Low output noise
  • LM431 in micro SMD package
  • See AN-1112 for micro SMD considerations

LM431ACMDC Description

    The LM431 is a 3-terminal adjustable shunt regulator with guaranteed temperature stability over the entire temperature range of operation. It is now available in a chip sized package (4-Bump micro SMD) using National's micro SMD package technology. The output voltage may be set at any level greater than 2.5V (VREF) up to 36V merely by selecting two external resistors that act as a voltage divided network. Due to the sharp turn-on characteristics this device is an excellent replacement for many zener diode applications.

    LM431ACMDC Parameters

    StatusFull production
    PackageUnpackaged Die
    Temperature Min (deg C)-40
    Temperature Max (deg C)85
    PinsUnpackaged Die
    Output Current (mA)100
    Reference VoltageAdjustable
    Initial Accuracy (+/-) Max (%)1
    Operating Current (mA)1
    Tempco, max (ppm/C) (ppm)54
    Select parameters and click to see components with these parameters.

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