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LP3906SQ-VPFP/NOPB - Texas Instruments

Description: Power Management Specialised - PMIC Dual High-Current Step-Down DC/DC and Dual Linear Regulator with I2C Compatible Interface 24-WQFN -40 to 85

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LP3906SQ-VPFP/NOPB - Texas Instruments - PCB symbol
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PCB Footprints
LP3906SQ-VPFP/NOPB - Texas Instruments PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - NHZ0024B_2021
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LP3906SQ-VPFP/NOPB - Texas Instruments - 3D model - Quad Flat No-Lead - NHZ0024B_2021
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LP3906SQ-VPFP/NOPB Details

  • Manufacturer Part Number:

    LP3906SQ-VPFP/NOPB

  • 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:

    ALSO HAS PFM CONTROL TECHNIQUE, ALSO OPERATES AS LDO REGULATOR

  • Analog IC - Other Type:

    SWITCHING REGULATOR

  • Control Mode:

    VOLTAGE-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:

    R-PQCC-N24

  • JESD-609 Code:

    e3

  • Length:

    5 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Outputs:

    4

  • Number of Terminals:

    24

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    1.5 A

  • Output Voltage-Max:

    3.5 V

  • Output Voltage-Min:

    0.8 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HVQCCN

  • Package Equivalence Code:

    LCC24,.16X.2,20

  • Package Shape:

    RECTANGULAR

  • Package Style:

    CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    0.8 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK

  • Switching Frequency-Max:

    2000 kHz

  • Technology:

    BICMOS

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    Tin (Sn)

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    QUAD

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

    30

  • Width:

    4 mm

LP3906SQ-VPFP/NOPB Frequently Asked Questions (FAQs)

  • Texas Instruments provides a recommended PCB layout in the application note SLVAU65, which includes guidelines for thermal vias, copper pours, and component placement to minimize thermal resistance and ensure reliable operation.
  • The selection of the output capacitor depends on the output voltage, output current, and ripple requirements. A general guideline is to choose a capacitor with a capacitance value of at least 10uF and a voltage rating of at least 1.5 times the output voltage. Additionally, consider the ESR (Equivalent Series Resistance) and ESL (Equivalent Series Inductance) of the capacitor to ensure it can handle the output current and ripple requirements.
  • Although the datasheet specifies a maximum input voltage of 5.5V, it's recommended to derate the input voltage to 5V to ensure reliable operation and prevent damage to the device. Applying a voltage higher than 5V may cause the device to malfunction or fail.
  • To ensure proper power-up and power-down, follow the recommended power-up and power-down sequences outlined in the datasheet. This includes slowly ramping up the input voltage, waiting for the device to stabilize, and then enabling the output. During power-down, disable the output and slowly ramp down the input voltage to prevent damage to the device.
  • A 1uF to 10uF ceramic capacitor with an X5R or X7R dielectric is recommended for the input capacitor. This type of capacitor provides a low ESR and is suitable for high-frequency switching applications.

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LP3906SQ-VPFP/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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