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KA431SAMFTF - onsemi

Description: Fast Turn-on Response; Equivalent Full-Range Temperature Coefficient of 50 ppm/°C (Typical); Sink Current Capability: 1.0 to 100 mA; Programmable Output Voltage to 36 V; Temperature Compensated for Operation Over Full Rated Operating Temperature Range; Low Output Noise Voltage; Low Dynamic Output Impedance 0.2 Ω (Typical)

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PCB Footprints
KA431SAMFTF - onsemi PCB footprint - SOT23 (3-Pin) - SOT23 (3-Pin) - SOT23−FL3L
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KA431SAMFTF - onsemi  - 3D model - SOT23 (3-Pin) - SOT23−FL3L
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KA431SAMFTF Details

  • Manufacturer Part Number:

    KA431SAMFTF

  • Brand Name:

    onsemi

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    SOT23−3L

  • Package Description:

    SOT-23F, 3 PIN

  • Manufacturer Package Code:

    318AB

  • Country Of Origin:

    Mainland China

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    onsemi

  • YTEOL:

    0

  • Additional Feature:

    THE OUTPUT VOLTAGE MAY BE SET TO ANY VALUE BETWEEN 2.495V AND 36V WITH TWO EXTERNAL RESISTORS

  • Analog IC - Other Type:

    TWO TERMINAL VOLTAGE REFERENCE

  • JESD-30 Code:

    R-PDSO-G3

  • JESD-609 Code:

    e3

  • Length:

    2.9 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Outputs:

    1

  • Number of Terminals:

    3

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -25 °C

  • Output Current-Max:

    0.1 A

  • Output Voltage-Max:

    2.52 V

  • Output Voltage-Min:

    2.47 V

  • Output Voltage-Nom:

    2.495 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    TSOP

  • Package Equivalence Code:

    TO-236

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, THIN PROFILE

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.14 mm

  • Surface Mount:

    YES

  • Technology:

    BIPOLAR

  • Temp Coef of Voltage-Max:

    61.942 ppm/°C

  • Temperature Grade:

    COMMERCIAL EXTENDED

  • Terminal Finish:

    Matte Tin (Sn) - annealed

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.95 mm

  • Terminal Position:

    DUAL

  • Time@Peak Reflow Temperature-Max (s):

    30

  • Trim/Adjustable Output:

    YES

  • Width:

    1.3 mm

KA431SAMFTF Frequently Asked Questions (FAQs)

  • A good PCB layout for the KA431SAMFTF involves keeping the input and output traces short and separate, using a solid ground plane, and placing the device close to the power supply decoupling capacitors. Additionally, it's recommended to use a low-ESR capacitor for the output filter.
  • To ensure stability, make sure to follow the recommended component values and PCB layout guidelines. Also, ensure that the output capacitor is properly sized and has a low equivalent series resistance (ESR). A minimum output capacitance of 10uF is recommended.
  • Although the datasheet specifies a maximum input voltage of 18V, it's recommended to limit the input voltage to 15V to ensure reliable operation and prevent damage to the device.
  • The KA431SAMFTF is rated for operation up to 125°C, but its performance may degrade at higher temperatures. It's recommended to derate the output current and voltage according to the temperature derating curve in the datasheet.
  • The output voltage of the KA431SAMFTF can be calculated using the formula: Vout = (1 + R2/R1) * 1.25V, where R1 and R2 are the resistors in the feedback network.

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Part Image KA431SAMF Fairchild Semiconductor Corporation

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