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LM20333MH/NOPB - Texas Instruments

Description: Texas Instruments LM20333MH/NOPB, Step Down DC-DC Converter, 3A, Adjustable, 0.8 → 32 V, 20-Pin TSSOP

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LM20333MH/NOPB - Texas Instruments - PCB symbol
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LM20333MH/NOPB - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - PWP0020A
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LM20333MH/NOPB - Texas Instruments - 3D model - Small Outline Packages - PWP0020A
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LM20333MH/NOPB Details

  • Manufacturer Part Number:

    LM20333MH/NOPB

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    TSSOP

  • Pin Count:

    20

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Additional Feature:

    OUTPUT VOLTAGE IS ADJUSTABLE UPTO 0.8V

  • Analog IC - Other Type:

    SWITCHING REGULATOR

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    36 V

  • Input Voltage-Min:

    4.5 V

  • Input Voltage-Nom:

    12 V

  • JESD-30 Code:

    R-PDSO-G20

  • JESD-609 Code:

    e3

  • Length:

    6.5 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Outputs:

    1

  • Number of Terminals:

    20

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    3 A

  • Output Voltage-Max:

    32 V

  • Output Voltage-Min:

    0.8 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HSSOP

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, HEAT SINK/SLUG, SHRINK PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.2 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK

  • Switching Frequency-Max:

    1500 kHz

  • Technology:

    BICMOS

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.65 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    4.4 mm

LM20333MH/NOPB Frequently Asked Questions (FAQs)

  • A good PCB layout for the LM20333MH/NOPB should include a solid ground plane, a separate power plane for the input voltage, and a heat sink attached to the thermal pad. The layout should also minimize the distance between the input and output capacitors and the IC.
  • To ensure stability, it's essential to follow the recommended component values and PCB layout guidelines. Additionally, the output voltage should be decoupled with a capacitor (e.g., 10uF) and a series resistor (e.g., 10Ω) to prevent oscillations.
  • The maximum input voltage for the LM20333MH/NOPB is 42V. Exceeding this voltage may damage the device. It's recommended to add input voltage protection, such as a voltage clamp or a transient voltage suppressor, to prevent overvoltage conditions.
  • The output voltage ripple and noise can be calculated using the equations provided in the datasheet. The output voltage ripple is primarily dependent on the output capacitor value, ESR, and the switching frequency. The noise can be estimated using the datasheet's noise spectral density graph.
  • A low-ESR ceramic capacitor (e.g., X5R or X7R) with a value of 10uF to 22uF is recommended for the input capacitor. This helps to filter the input voltage and reduce the ripple.

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LM20333MH/NOPB Overview

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About Texas Instruments

Texas Instruments (TI) designs and manufactures semiconductors and integrated circuits for a wide range of applications. The company's product portfolio includes analog chips, which are essential for managing power and signal functions in electronic devices, and embedded processors, which serve as the brains in various systems, enabling functionality in everything from industrial equipment to consumer electronics. TI's innovations in semiconductor technology have made it a leader in the industry.

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LM20333MH/NOPB Alternates

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Part Image LM20333MHE National Semiconductor Corporation

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Part Image LM20333MH National Semiconductor Corporation

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Part Image LM20333MHE Texas Instruments

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For a full list of alternate parts for LM20333MH/NOPB, check out Findchips.com