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LMR70503TMX/NOPB - Texas Instruments

Description: Conv DC-DC 2.8V to 5.5V Step Down/Step Up Single-Out -0.9V to -5.5V 0.25A 8-Pin DSBGA T/R

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LMR70503TMX/NOPB - Texas Instruments PCB footprint - BGA - BGA - YFX008
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LMR70503TMX/NOPB - Texas Instruments  - 3D model - BGA - YFX008
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LMR70503TMX/NOPB Details

  • Manufacturer Part Number:

    LMR70503TMX/NOPB

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    VFBGA,

  • Reach Compliance Code:

    Compliant

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Additional Feature:

    ADJUSTABLE OUTPUT MODE FROM -0.9 TO -5.5V; SWITCHING FREQ MIN IS 500KHZ

  • Analog IC - Other Type:

    SWITCHING REGULATOR

  • Control Mode:

    CURRENT-MODE

  • Input Voltage-Max:

    5.5 V

  • Input Voltage-Min:

    2.8 V

  • Input Voltage-Nom:

    3.3 V

  • JESD-30 Code:

    R-PBGA-B8

  • JESD-609 Code:

    e1

  • Length:

    1.61 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    8

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    0.37 A

  • Output Voltage-Max:

    -0.9 V

  • Output Voltage-Min:

    -5.5 V

  • Output Voltage-Nom:

    -5 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    VFBGA

  • Package Shape:

    RECTANGULAR

  • Package Style:

    GRID ARRAY, VERY THIN PROFILE, FINE PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Seated Height-Max:

    0.675 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    INVERTER

  • Switching Frequency-Max:

    1000 kHz

  • Technology:

    BICMOS

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    Tin/Silver/Copper (Sn/Ag/Cu)

  • Terminal Form:

    BALL

  • Terminal Pitch:

    0.4 mm

  • Terminal Position:

    BOTTOM

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

    30

  • Width:

    0.825 mm

LMR70503TMX/NOPB Frequently Asked Questions (FAQs)

  • A good thermal design should include a solid ground plane, thermal vias, and a heat sink if possible. The datasheet provides some guidelines, but a more detailed application note from TI (SLUA623) provides additional guidance.
  • To ensure stability, follow the recommended output capacitor selection guidelines in the datasheet, and consider adding a 10nF-22nF ceramic capacitor in parallel with the output capacitor to improve transient response.
  • The absolute maximum rating for the input voltage is 15V, but it's recommended to keep the input voltage below 13.5V to ensure reliable operation and minimize the risk of damage.
  • Yes, the LMR70503 is suitable for powering microcontrollers. However, ensure that the output voltage and current capabilities meet the requirements of your microcontroller, and consider adding a filter capacitor to reduce noise.
  • Calculate the power dissipation using the formula: Pd = (Vin - Vout) x Iout. Consider the maximum input voltage, output voltage, and output current to determine the worst-case power dissipation.

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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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