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LM3280TL/NOPB - Texas Instruments

Description: Adjustable Step-Down DC-DC Converter and 3 LDOs for RF Power Management

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LM3280TL/NOPB - Texas Instruments - PCB symbol
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PCB Footprints
LM3280TL/NOPB - Texas Instruments PCB footprint - BGA - BGA - YZR0016x
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3D Models
LM3280TL/NOPB - Texas Instruments - 3D model - BGA - YZR0016x
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LM3280TL/NOPB Details

  • Manufacturer Part Number:

    LM3280TL/NOPB

  • Brand Name:

    Texas Instruments

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Package Description:

    DSBGA-16

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    0

  • Additional Feature:

    ALSO OPERATES IN ADJUSTABLE MODE FROM 0.8 TO 3.6V, ALSO OPERATES AS LDO REGULATOR

  • Analog IC - Other Type:

    SWITCHING REGULATOR

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    5.5 V

  • Input Voltage-Min:

    2.7 V

  • Input Voltage-Nom:

    3.6 V

  • JESD-30 Code:

    S-PBGA-B16

  • JESD-609 Code:

    e1

  • Length:

    2.355 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    16

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -30 °C

  • Output Current-Max:

    0.94 A

  • Output Voltage-Max:

    3.6 V

  • Output Voltage-Min:

    0.8 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    VFBGA

  • Package Equivalence Code:

    BGA16,4X4,20

  • Package Shape:

    SQUARE

  • Package Style:

    GRID ARRAY, VERY THIN PROFILE, FINE PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    0.675 mm

  • Supply Current-Max (Isup):

    0.003 mA

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK

  • Switching Frequency-Max:

    2000 kHz

  • Technology:

    CMOS

  • Temperature Grade:

    OTHER

  • Terminal Finish:

    TIN SILVER COPPER

  • Terminal Form:

    BALL

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    BOTTOM

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

    30

  • Width:

    2.355 mm

LM3280TL/NOPB Frequently Asked Questions (FAQs)

  • Texas Instruments recommends a 2-layer or 4-layer PCB with a solid ground plane on the bottom layer to improve thermal performance. Additionally, placing thermal vias under the IC and using a thermal pad can help to dissipate heat more efficiently.
  • To ensure reliable startup and shutdown, it is recommended to use a soft-start circuit to limit the inrush current and prevent voltage drops on the input supply. Additionally, a capacitor can be added to the EN pin to filter out noise and ensure a clean shutdown signal.
  • While the datasheet specifies a maximum output current of 3A, it is recommended to derate the output current to 2.5A or less to ensure reliable operation and prevent overheating. This is especially important in high-temperature applications or when using a low-ESR output capacitor.
  • To troubleshoot oscillations or instability, check the PCB layout for any signs of parasitic inductance or capacitance that may be causing the issue. Ensure that the output capacitor is properly sized and placed close to the output pin. Additionally, check the input voltage and current ripple to ensure that they are within the recommended specifications.
  • Yes, the LM3280 is qualified for automotive and high-reliability applications. However, it is recommended to follow the guidelines outlined in the Texas Instruments Automotive Reliability Report and to perform additional testing and validation to ensure that the device meets the specific requirements of the application.

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LM3280TL/NOPB 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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