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LM74502HDDFR - Texas Instruments

Description: Hot Swap Voltage Controllers 3.2-V to 65-V industrial RPP controller with load disconnect, OVP, and high gate drive

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LM74502HDDFR - Texas Instruments - PCB symbol
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PCB Footprints
LM74502HDDFR - Texas Instruments PCB footprint - SOT23 (8-Pin) - SOT23 (8-Pin) - DDF0008A
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3D Models
LM74502HDDFR - Texas Instruments - 3D model - SOT23 (8-Pin) - DDF0008A
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LM74502HDDFR Details

  • Manufacturer Part Number:

    LM74502HDDFR

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Country Of Origin:

    Philippines

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Adjustable Threshold:

    YES

  • Analog IC - Other Type:

    Load Switch

  • Input Voltage-Max:

    65 V

  • Input Voltage-Min:

    3.2 V

  • JESD-30 Code:

    R-PDSO-G8

  • JESD-609 Code:

    e4

  • Length:

    2.9 mm

  • Moisture Sensitivity Level:

    1

  • Number of Channels:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    8

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    TSSOP

  • Package Equivalence Code:

    TSSOP8,.11

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Seated Height-Max:

    1.1 mm

  • Supply Voltage-Max (Vsup):

    65 V

  • Supply Voltage-Min (Vsup):

    3.2 V

  • Supply Voltage-Nom (Vsup):

    12 V

  • Surface Mount:

    YES

  • Technology:

    BICMOS

  • Terminal Finish:

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

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.65 mm

  • Terminal Position:

    DUAL

  • Threshold Voltage-Nom:

    +2.8V

  • Width:

    1.6 mm

LM74502HDDFR Frequently Asked Questions (FAQs)

  • A good PCB layout for the LM74502HDDFR should prioritize thermal dissipation. Place the device near a thermal pad or a heat sink, and ensure good copper pour coverage around the device. Avoid routing high-current traces under the device, and keep the thermal pad connected to a solid ground plane.
  • To ensure stable output voltage regulation, ensure that the input voltage is within the recommended range, and that the output capacitor is of sufficient value (at least 10uF) and ESR (less than 1 ohm). Also, ensure that the feedback resistors are of high precision and low tolerance.
  • The maximum input voltage that can be applied to the LM74502HDDFR is 18V. Exceeding this voltage may cause damage to the device.
  • The LM74502HDDFR has built-in overcurrent protection. However, to further protect the device, consider adding external current limiting resistors or fuses in series with the input voltage. Also, ensure that the output capacitor is of sufficient value to handle output current surges.
  • A ceramic or electrolytic capacitor with a value of at least 1uF and a voltage rating of 25V or higher is recommended. The capacitor should be placed as close to the device as possible to minimize noise and ripple.

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LM74502HDDFR 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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