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TPS7H4003MDDWSEP - Texas Instruments

Description: Switching Voltage Regulators Radiation-tolerant, 3-V to 7-V, 18-A, synchronous step-down converter in space-enhanced plastic

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TPS7H4003MDDWSEP - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - DDW0044F
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TPS7H4003MDDWSEP Details

  • Manufacturer Part Number:

    TPS7H4003MDDWSEP

  • 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

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Analog IC - Other Type:

    SWITCHING REGULATOR

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    7 V

  • Input Voltage-Min:

    3 V

  • Input Voltage-Nom:

    5 V

  • JESD-30 Code:

    R-PDSO-G44

  • JESD-609 Code:

    e4

  • Length:

    14 mm

  • Moisture Sensitivity Level:

    3

  • Number of Functions:

    1

  • Number of Outputs:

    1

  • Number of Terminals:

    44

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -55 °C

  • Output Current-Max:

    18 A

  • Output Voltage-Max:

    6.65 V

  • Output Voltage-Min:

    0.605 V

  • Output Voltage-Nom:

    1.8 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HTSSOP

  • Package Equivalence Code:

    TSSOP44,.3

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, HEAT SINK/SLUG, SHRINK PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Seated Height-Max:

    1.2 mm

  • Supply Current-Max (Isup):

    6 mA

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK

  • Switching Frequency-Max:

    1000 kHz

  • Technology:

    BICMOS

  • Terminal Finish:

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

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.635 mm

  • Terminal Position:

    DUAL

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

    30

  • Total Dose:

    50k Rad(Si) V

  • Width:

    6.1 mm

TPS7H4003MDDWSEP Frequently Asked Questions (FAQs)

  • A good PCB layout for the TPS7H4003MDDWSEP should include a solid ground plane, wide power traces, and a thermal relief pattern under the device to facilitate heat dissipation. TI provides a recommended PCB layout in the datasheet and application notes.
  • To ensure stability, it's essential to follow the recommended compensation network and output capacitor selection guidelines provided in the datasheet. Additionally, ensure that the output capacitor has a low equivalent series resistance (ESR) and a high ripple current rating.
  • Although the datasheet specifies a maximum input voltage of 5.5V, it's recommended to limit the input voltage to 5V to ensure reliable operation and prevent damage to the device.
  • While the device is rated for operation up to 125°C, it's essential to consider the junction temperature (TJ) and ensure that it remains within the specified range. Use the thermal resistance (RθJA) and power dissipation (PD) calculations to determine the maximum ambient temperature for your specific application.
  • Choose an output capacitor with a capacitance value between 10µF and 100µF, and an ESR of less than 100mΩ. The capacitor should also have a voltage rating of at least 2x the output voltage. Consult the datasheet and application notes for more detailed guidance.

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TPS7H4003MDDWSEP 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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