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LMR38025SDRRR - Texas Instruments

Description: • Functional Safety-Capable – Documentation available to aid functional safety system design • Configured for rugged industrial applications – 4.2V to 80V input voltage range – 2.5A continuous output current – Ultra-low 40µA operating quiescent current – 200kHz to 2.2MHz adjustable switching frequency – Frequency synchronization to external clock – 97% maximum duty cycle – Supports start-up events with prebiased output – ±1.5% reference voltage tolerance over temperature – Precision enable –

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LMR38025SDRRR - Texas Instruments - PCB symbol
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LMR38025SDRRR - Texas Instruments PCB footprint - Small Outline No-lead - Small Outline No-lead - LMR38025SDRRR
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LMR38025SDRRR - Texas Instruments - 3D model - Small Outline No-lead - LMR38025SDRRR
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LMR38025SDRRR Details

  • Manufacturer Part Number:

    LMR38025SDRRR

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Additional Feature:

    PFM CONTROL TECHNIQUE ALSO AVAILABLE

  • Analog IC - Other Type:

    SWITCHING REGULATOR

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    SILENT SWITCHER

  • Input Voltage-Max:

    80 V

  • Input Voltage-Min:

    4.2 V

  • Input Voltage-Nom:

    24 V

  • JESD-30 Code:

    S-PDSO-N12

  • JESD-609 Code:

    e4

  • Length:

    3 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Outputs:

    1

  • Number of Terminals:

    12

  • Operating Temperature-Max:

    150 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    2.5 A

  • Output Voltage-Max:

    75 V

  • Output Voltage-Min:

    1 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HVSON

  • Package Equivalence Code:

    SOLCC12,.12,20

  • Package Shape:

    SQUARE

  • Package Style:

    SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE

  • Peak Reflow Temperature (Cel):

    260

  • Seated Height-Max:

    0.8 mm

  • Supply Current-Max (Isup):

    0.04 mA

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK

  • Switching Frequency-Max:

    2200 kHz

  • Technology:

    BICMOS

  • Terminal Finish:

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

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    3 mm

LMR38025SDRRR Frequently Asked Questions (FAQs)

  • Texas Instruments recommends a 2-layer PCB with a solid ground plane on the bottom layer and a thermal relief pattern on the top layer to minimize thermal resistance. A minimum of 2 oz copper thickness is recommended for optimal thermal performance.
  • To ensure reliable operation at high temperatures, it is recommended to derate the output current and voltage according to the thermal derating curve provided in the datasheet. Additionally, ensure good airflow and thermal conduction to the heat sink.
  • Texas Instruments recommends using a low-ESR ceramic capacitor with a value of 10uF to 22uF for optimal performance. The capacitor should be placed as close as possible to the input pins of the LMR38025SDRRR.
  • To prevent oscillations and instability in the output voltage, ensure that the output capacitor is properly sized and placed close to the output pins. Additionally, use a low-ESR output capacitor and ensure that the feedback loop is properly compensated.
  • Texas Instruments recommends using a low-ESR ceramic or polymer capacitor with a value of 22uF to 47uF for optimal performance. The capacitor should be placed as close as possible to the output pins of the LMR38025SDRRR.

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LMR38025SDRRR 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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