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LM2990S-12 +BOM

Operating temperature range -40 to 125

LM2990S-12 General Description

For applications requiring a fixed 12V output voltage with minimal dropout, the LM2990S-12 from National Semiconductor is a standout choice. This low dropout voltage regulator offers a maximum dropout voltage of just 0.5V at 1A, ensuring a steady and reliable 12V output for your electronic designs. Its wide input voltage range of 14V to 26V provides versatility and flexibility for a range of applications, making it a convenient and practical solution for electronic designers. With a high ripple rejection ratio of 75dB at 120Hz, the LM2990S-12 maintains a stable output voltage even in noisy environments, ensuring consistent performance in various operating conditions. Additionally, the regulator is equipped with built-in thermal and short circuit protection features, adding an extra level of protection for the regulator and connected circuitry. Housed in a TO-263 surface mount package, installation onto printed circuit boards is hassle-free, offering convenience for electronic designs. Operating over a temperature range of -40°C to 125°C, the LM2990S-12 is well-suited for use in automotive, industrial, and other challenging environments, providing a reliable and efficient voltage regulation solution for a wide range of electronic applications

Key Features

  • LM2990S-12 is a low dropout voltage regulator
  • It has a fixed output voltage of 12V
  • It can provide a maximum output current of 1A
  • It has a low quiescent current of 10mA
  • It has thermal shutdown protection
  • It is available in a TO-263 package
  • Application

    • High-quality regulator
    • 12V stable output
    • Versatile functionality


    Output options Fixed Output Iout (max) (A) 1
    Vin (max) (V) -6 Vin (min) (V) -26
    Vout (max) (V) -5 Vout (min) (V) -15
    Fixed output options (V) -15, -12, -5.2, -5 Noise (µVrms) 250
    Iq (typ) (mA) 1 Thermal resistance θJA (°C/W) 23
    Rating Catalog Load capacitance (min) (µF) 10
    Regulated outputs (#) 1 Accuracy (%) 4.9
    PSRR at 100 KHz (dB) 23 Dropout voltage (Vdo) (typ) (mV) 600
    Operating temperature range (°C) -40 to 125

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    In Stock: 6,423

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