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EL7554IREZ - Renesas Electronics

Description: The EL7554 is a full-feature synchronous 4A step-down regulator capable of up to 96% efficiency. This device operates from 3V to 6V VIN input supply. With internal CMOS power FETs, the device can operate at up to 100% duty ratio, allowing for output voltage range from 0.8V up to nearly VIN. The adjustable high switching frequency of up to 1MHz enables the use of small components, making the whole converter occupy less than 0.58 square inch with components on one side of the PCB. The EL7554 operates at const

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EL7554IREZ - Renesas Electronics - PCB symbol
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PCB Footprints
EL7554IREZ - Renesas Electronics PCB footprint - Small Outline Packages - Small Outline Packages - MDP0048
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3D Models
EL7554IREZ - Renesas Electronics - 3D model - Small Outline Packages - MDP0048
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EL7554IREZ Details

  • Manufacturer Part Number:

    EL7554IREZ

  • Brand Name:

    Renesas

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    TSSOP-EP

  • Package Description:

    TSSOP-EP-28

  • Pin Count:

    28

  • Manufacturer Package Code:

    MDP0048

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Factory Lead Time:

    4 Weeks

  • Date Of Intro:

    2017-10-17

  • Manufacturer:

    Renesas Electronics Corporation

  • YTEOL:

    0

  • Analog IC - Other Type:

    SWITCHING REGULATOR

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    6 V

  • Input Voltage-Min:

    3 V

  • Input Voltage-Nom:

    3.3 V

  • JESD-30 Code:

    R-PDSO-G28

  • JESD-609 Code:

    e3

  • Length:

    9.7 mm

  • Moisture Sensitivity Level:

    3

  • Number of Functions:

    1

  • Number of Terminals:

    28

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    6 A

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HTSSOP

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Seated Height-Max:

    1.2 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK

  • Switching Frequency-Max:

    1000 kHz

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    Matte Tin (Sn) - annealed

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.65 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    4.4 mm

EL7554IREZ Frequently Asked Questions (FAQs)

  • A 4-layer PCB with a solid ground plane and thermal vias is recommended. The device should be placed near a thermal pad or a heat sink to dissipate heat efficiently.
  • Ensure that the device is operated within the recommended temperature range (–40°C to +125°C). Use a heat sink or thermal pad to maintain a junction temperature below 150°C. Monitor the device's thermal shutdown threshold (TSD) to prevent overheating.
  • Use a shielded enclosure, and ensure that the PCB layout minimizes loop areas and reduces radiation. Add EMI filters or ferrite beads to the input and output lines. Follow good PCB design practices, such as using a solid ground plane and minimizing track lengths.
  • Choose capacitors with low ESR (Equivalent Series Resistance) and high ripple current ratings. The input capacitor should be at least 10uF, and the output capacitor should be at least 22uF. Ensure that the capacitors are rated for the maximum operating voltage and temperature range.
  • Ensure that the input voltage is stable and within the recommended range before applying power to the device. Use a soft-start circuit to limit inrush current and prevent voltage spikes. Monitor the device's power-good signal to ensure that the output voltage is stable before enabling the load.

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EL7554IREZ Overview

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To find more CAD model downloads similar to this part, try a partial part number search, like EL755, or try a keyword search, such as Switching Regulator or Controllers

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