Part Image

LM51581QRTERQ1 - Texas Instruments

Description: Switching Voltage Regulators 1.5-A, 85-V, 2.2-MHz wide VIN boost, flyback, & SEPIC converter with dual random spread spectrum

Download LM51581QRTERQ1 Model
Schematic
symbols
Schematic symbol is unavailable for download
PCB
footprints
PCB footprint is unavailable for download
3D
models
3D model is unavailable for download
PCB Footprints
LM51581QRTERQ1 - Texas Instruments PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - RTE0016K_2022
click to zoom
3D Models
LM51581QRTERQ1 - Texas Instruments  - 3D model - Quad Flat No-Lead - RTE0016K_2022
click to zoom

LM51581QRTERQ1 Details

  • Manufacturer Part Number:

    LM51581QRTERQ1

  • 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

  • Analog IC - Other Type:

    SWITCHING REGULATOR

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    60 V

  • Input Voltage-Min:

    1.5 V

  • JESD-30 Code:

    S-PQCC-N16

  • JESD-609 Code:

    e4

  • Length:

    3 mm

  • Moisture Sensitivity Level:

    2

  • Number of Functions:

    1

  • Number of Outputs:

    1

  • Number of Terminals:

    16

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    2.12 A

  • Output Voltage-Max:

    83 V

  • Output Voltage-Min:

    2 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HQCCN

  • Package Equivalence Code:

    LCC16,.12SQ,20

  • Package Shape:

    SQUARE

  • Package Style:

    CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

  • Peak Reflow Temperature (Cel):

    260

  • Screening Level:

    AEC-Q100

  • Seated Height-Max:

    0.8 mm

  • Supply Current-Max (Isup):

    0.85 mA

  • Supply Voltage-Nom (Vsup):

    12 V

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK-BOOST

  • Switching Frequency-Max:

    2200 kHz

  • Technology:

    BICMOS

  • Terminal Finish:

    Nickel/Palladium/Gold (Ni/Pd/Au)

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    QUAD

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

    30

  • Width:

    3 mm

LM51581QRTERQ1 Frequently Asked Questions (FAQs)

  • A 2-layer or 4-layer PCB with a solid ground plane and thermal vias is recommended. Keep the thermal pad connected to the ground plane to improve heat dissipation.
  • Use a soft-start circuit to limit the inrush current and ensure a reliable start-up. Also, ensure that the input capacitor is rated for the maximum input voltage and has a low ESR to minimize voltage drops.
  • Choose an inductor with a high saturation current rating and a low DCR. Select a capacitor with a high ripple current rating and a low ESR. Ensure the inductor and capacitor values are optimized for the specific application's switching frequency and output voltage.
  • Use a shielded inductor, keep the switching node (SW) away from sensitive nodes, and use a common-mode choke or EMI filter to reduce conducted emissions. Ensure good PCB layout practices, such as keeping the power stage components close together and using a solid ground plane.
  • Ensure good airflow around the device, use a heat sink if necessary, and keep the thermal pad connected to the ground plane. Avoid blocking the airflow around the device and ensure the PCB is designed for good thermal conduction.

Trust Checks

This model has been provided by community users.
Community Provided
This model has been verified by system checks.
System Verified
This model has been reviewed by community users.
Community Approved
Sponsored

LM51581QRTERQ1 Overview

Use the download button to access the LM51581QRTERQ1 schematic symbol, PCB footprint, and 3D model.
To find more CAD model downloads similar to this part, try a partial part number search, like LM515, or try a keyword search, such as Switching Regulator or Controllers

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.

Parts related to LM51581QRTERQ1

Showing 0 results

LM51581QRTERQ1 Alternates

Showing results

Image Part Number Model
Part Image LM51581RTER Texas Instruments

Switching Regulator, Current-mode, 2.12A, 2200kHz Switching Freq-Max, BICMOS, PQCC16