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EL7566DREZ-T7 - Renesas Electronics

Description: The EL7566 is a full-feature synchronous step-down regulator capable of up to 6A and 96% efficiency. The device operates from 3V to 6V input supply (VIN). With internal CMOS power FETs, the device can operate at up to 100% duty ratio, allowing for an output voltage range of 0.8V to nearly VIN. An adjustable switching frequency up to 1MHz enables the use of small components, thereby reducing board area consumption to under 0.72sq-in on one side of a PCB. The EL7566 operates in constant frequency PWM mode, ma

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EL7566DREZ-T7 Details

  • Manufacturer Part Number:

    EL7566DREZ-T7

  • 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

  • Date Of Intro:

    2017-10-18

  • Manufacturer:

    Renesas Electronics Corporation

  • YTEOL:

    0

  • Analog IC - Other Type:

    SWITCHING REGULATOR

  • Control Mode:

    CURRENT/VOLTAGE-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

  • Output Current-Max:

    7.8 A

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HTSSOP

  • Package Shape:

    RECTANGULAR

  • Package Style:

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

  • Seated Height-Max:

    1.2 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK

  • Switching Frequency-Max:

    1000 kHz

  • Technology:

    CMOS

  • Temperature Grade:

    OTHER

  • Terminal Finish:

    Matte Tin (Sn) - annealed

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.65 mm

  • Terminal Position:

    DUAL

  • Width:

    4.4 mm

EL7566DREZ-T7 Frequently Asked Questions (FAQs)

  • Renesas provides a recommended PCB layout guide in their application note (APN) document, which includes thermal vias, copper pours, and component placement guidelines to ensure optimal thermal performance.
  • The EL7566DREZ-T7 has a built-in overcurrent protection feature, but it's not enabled by default. To implement overcurrent protection, you need to connect an external resistor (Roc) between the OC pin and GND, and set the overcurrent threshold using the OCREF pin.
  • Although the datasheet specifies a maximum VIN voltage of 5.5V, Renesas recommends limiting the startup voltage to 4.5V to ensure reliable operation and prevent damage to the device.
  • The switching frequency can be adjusted by connecting an external resistor (RT) between the RT pin and GND. The value of RT determines the switching frequency, with lower values resulting in higher frequencies.
  • Renesas recommends using a low-ESR ceramic capacitor (X5R or X7R type) with a value of 10uF to 22uF for the input capacitor (CIN). This ensures stable operation and minimizes voltage ripple.

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EL7566DREZ-T7 Overview

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