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LM5122ZPWPR - Texas Instruments

Description: 3-65V Wide Vin, Current Mode Synchronous Boost Controller with Multiphase Capability

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LM5122ZPWPR - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - PWP0024R
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LM5122ZPWPR - Texas Instruments  - 3D model - Small Outline Packages - PWP0024R
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LM5122ZPWPR Details

  • Manufacturer Part Number:

    LM5122ZPWPR

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Country Of Origin:

    Taiwan

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Date Of Intro:

    2017-06-25

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Additional Feature:

    ADJUSTABLE VOLTAGE FROM UPTO 100V

  • Analog IC - Other Type:

    SWITCHING CONTROLLER

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    65 V

  • Input Voltage-Min:

    3 V

  • Input Voltage-Nom:

    12 V

  • JESD-30 Code:

    R-PDSO-G24

  • JESD-609 Code:

    e4

  • Length:

    7.8 mm

  • Moisture Sensitivity Level:

    3

  • Number of Functions:

    1

  • Number of Outputs:

    1

  • Number of Terminals:

    24

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    20 A

  • Output Voltage-Max:

    100 V

  • Output Voltage-Min:

    3 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HTSSOP

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Seated Height-Max:

    1.2 mm

  • Supply Current-Max (Isup):

    8 mA

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK-BOOST

  • Switching Frequency-Max:

    1000 kHz

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    Nickel/Palladium/Gold (Ni/Pd/Au)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.65 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    4.4 mm

LM5122ZPWPR Frequently Asked Questions (FAQs)

  • A 4-layer PCB with a solid ground plane and a separate power plane is recommended. Keep the input and output capacitors close to the IC, and use short, wide traces for the power lines.
  • Ensure that the output capacitor has a low ESR, and the input capacitor is at least 10uF. Also, add a 10nF capacitor between the VIN and GND pins to filter out high-frequency noise.
  • The maximum input voltage is 42V, but it's recommended to keep it below 36V to ensure reliable operation and prevent damage to the IC.
  • The output voltage is determined by the resistor divider network (R1 and R2) connected to the FB pin. The output current capability depends on the input voltage, output voltage, and the inductor value. Refer to the datasheet for the calculation formulas.
  • The EN (enable) pin is used to turn the converter on or off. Connect it to a logic signal (e.g., from a microcontroller) to enable or disable the converter. When EN is low, the converter is in shutdown mode, and the input current is reduced to <1uA.

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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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Part Image LM5122ZPWPT Texas Instruments

Switching Controller, Current-mode, 20A, 1000kHz Switching Freq-Max, PDSO24