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LP873220RHDT - Texas Instruments

Description: Dual High-Current Buck Converters and Linear Regulators

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LP873220RHDT - Texas Instruments - PCB symbol
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PCB Footprints
LP873220RHDT - Texas Instruments PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - RHD (S-PVQFN-N28+)
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3D Models
LP873220RHDT - Texas Instruments - 3D model - Quad Flat No-Lead - RHD (S-PVQFN-N28+)
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LP873220RHDT Details

  • Manufacturer Part Number:

    LP873220RHDT

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Date Of Intro:

    2017-12-17

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Additional Feature:

    ALSO OPERATES IN PFM MODE;ADJUSTABLE VOLTAGE RANGE IS 0.7 TO 3.36V

  • Analog IC - Other Type:

    DUAL SWITCHING CONTROLLER

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    5.5 V

  • Input Voltage-Min:

    2.8 V

  • Input Voltage-Nom:

    3.7 V

  • JESD-30 Code:

    S-PQCC-N28

  • JESD-609 Code:

    e3

  • Length:

    5 mm

  • Moisture Sensitivity Level:

    2

  • Number of Functions:

    1

  • Number of Outputs:

    4

  • Number of Terminals:

    28

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    2 A

  • Output Voltage-Max:

    7 V

  • Output Voltage-Min:

    -0.3 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HVQCCN

  • Package Shape:

    SQUARE

  • Package Style:

    CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

  • Peak Reflow Temperature (Cel):

    260

  • Screening Level:

    ATEX

  • Seated Height-Max:

    1 mm

  • Supply Current-Max (Isup):

    3 mA

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK

  • Switching Frequency-Max:

    2200 kHz

  • Technology:

    BICMOS

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    QUAD

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

    30

  • Width:

    5 mm

LP873220RHDT Frequently Asked Questions (FAQs)

  • Texas Instruments recommends a compact layout with the device placed close to the battery, and the input capacitors placed as close to the device as possible. The output capacitors should be placed close to the load. A 4-layer PCB with a solid ground plane is recommended.
  • To optimize the LP873220RHDT for low quiescent current, ensure that the EN pin is driven high only when the output is enabled, and the device is in a low-power state when the output is disabled. Additionally, use a low-value resistor in the feedback network to minimize current consumption.
  • The LP873220RHDT can handle input voltages up to 15V, but it is recommended to operate within the specified input voltage range of 2.7V to 5.5V for optimal performance and reliability.
  • To ensure stability and prevent oscillations, ensure that the output capacitors meet the recommended specifications, and the feedback network is properly designed. Additionally, use a low-ESR output capacitor and ensure that the device is operated within the recommended input voltage range.
  • The LP873220RHDT has a thermal pad that must be connected to a solid ground plane or a heat sink to ensure proper thermal dissipation. A thermal interface material (TIM) can be used to improve heat transfer between the device and the heat sink.

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LP873220RHDT 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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