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LP3907SQ-TJXIP/NOPB - Texas Instruments

Description: PMIC - Voltage Regulators - Linear Switching 4 Output Step-Down (Buck) Synchronous (2), Linear (LDO) (2) 2.1MHz 24-WQFN (4x4)

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LP3907SQ-TJXIP/NOPB - Texas Instruments - PCB symbol
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PCB Footprints
LP3907SQ-TJXIP/NOPB - Texas Instruments PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - 25 lead
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3D Models
LP3907SQ-TJXIP/NOPB - Texas Instruments - 3D model - Quad Flat No-Lead - 25 lead
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LP3907SQ-TJXIP/NOPB Details

  • Manufacturer Part Number:

    LP3907SQ-TJXIP/NOPB

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Additional Feature:

    ALSO OPERATES IN PFM CONTROL TECHNIQUE, ALSO AVAILABLE VOUT = 3.3V

  • Analog IC - Other Type:

    DUAL SWITCHING CONTROLLER

  • Control Mode:

    VOLTAGE-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    5.5 V

  • Input Voltage-Min:

    2.8 V

  • Input Voltage-Nom:

    3.6 V

  • JESD-30 Code:

    S-XQCC-N24

  • JESD-609 Code:

    e3

  • Length:

    4 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 A

  • Output Voltage-Max:

    3.5 V

  • Output Voltage-Min:

    0.8 V

  • Output Voltage-Nom:

    1.2 V

  • Package Body Material:

    UNSPECIFIED

  • Package Code:

    HVQCCN

  • Package Shape:

    SQUARE

  • Package Style:

    CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

  • Peak Reflow Temperature (Cel):

    260

  • Seated Height-Max:

    0.8 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK

  • Switching Frequency-Max:

    2100 kHz

  • 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

LP3907SQ-TJXIP/NOPB Frequently Asked Questions (FAQs)

  • Texas Instruments recommends a 2-layer PCB with a solid ground plane on the bottom layer and a thermal pad on the top layer connected to the exposed pad of the LP3907SQ. This layout helps to dissipate heat efficiently and reduce thermal resistance.
  • To ensure stability, it's essential to follow the recommended component values and PCB layout guidelines. Additionally, a minimum output capacitance of 10uF with an ESR of 1 ohm or less is recommended. You can also add a 10nF to 100nF ceramic capacitor in parallel with the output capacitor to improve stability.
  • Although the datasheet specifies a maximum input voltage of 15V, it's recommended to limit the input voltage to 12V to ensure reliable operation and prevent damage to the device.
  • The LP3907SQ is rated for operation up to 125°C, but it's essential to consider the thermal derating of the device. For temperatures above 85°C, the output current should be derated to prevent overheating and ensure reliable operation.
  • The power dissipation of the LP3907SQ can be calculated using the formula: Pd = (Vin - Vout) x Iout + (Vin x Iq), where Vin is the input voltage, Vout is the output voltage, Iout is the output current, and Iq is the quiescent current. This calculation helps to determine the thermal requirements and ensure reliable operation.

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LP3907SQ-TJXIP/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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