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ISL78225ANEZ - Renesas Electronics

Description: The ISL78225 4-phase controller is targeted for applications where high efficiency (>95%) and high power are required. The multiphase boost converter architecture uses interleaved timing to multiply channel ripple frequency and reduce input and output ripple. Lower ripple results in fewer input/output capacitors and therefore lower component cost and smaller implementation area. The ISL78225 has a dedicated pin to initiate the phase dropping scheme for higher efficiency at light load by dropping phases base

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ISL78225ANEZ - Renesas Electronics PCB footprint - Quad Flat Packages - Quad Flat Packages - TQFP-44
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ISL78225ANEZ - Renesas Electronics  - 3D model - Quad Flat Packages - TQFP-44
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ISL78225ANEZ Details

  • Manufacturer Part Number:

    ISL78225ANEZ

  • Brand Name:

    Renesas

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    TQFP-EP

  • Package Description:

    TQFP-44

  • Pin Count:

    44

  • Manufacturer Package Code:

    Q44.10X10A

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Factory Lead Time:

    18 Weeks

  • Date Of Intro:

    2017-10-24

  • Manufacturer:

    Renesas Electronics Corporation

  • YTEOL:

    0

  • Analog IC - Other Type:

    SWITCHING CONTROLLER

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    5.25 V

  • Input Voltage-Min:

    4.75 V

  • Input Voltage-Nom:

    5 V

  • JESD-30 Code:

    S-PQFP-G44

  • Length:

    10 mm

  • Moisture Sensitivity Level:

    3

  • Number of Functions:

    1

  • Number of Terminals:

    44

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Voltage-Max:

    3.5 V

  • Output Voltage-Min:

    0.5 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HTQFP

  • Package Equivalence Code:

    TQFP44,.47SQ,32

  • Package Shape:

    SQUARE

  • Package Style:

    FLATPACK, HEAT SINK/SLUG, THIN PROFILE

  • Peak Reflow Temperature (Cel):

    260

  • Seated Height-Max:

    1.2 mm

  • Supply Current-Max (Isup):

    12 mA

  • Surface Mount:

    YES

  • Switcher Configuration:

    BOOST

  • Switching Frequency-Max:

    1000 kHz

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    Pure Matte Tin (Sn) - annealed

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.8 mm

  • Terminal Position:

    QUAD

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

    30

  • Width:

    10 mm

ISL78225ANEZ Frequently Asked Questions (FAQs)

  • Renesas provides a recommended PCB layout in the ISL78225ANEZ evaluation board user manual, which includes guidelines for thermal vias, copper pours, and component placement to minimize thermal resistance and ensure optimal performance.
  • Renesas provides a filter design tool on their website, which can be used to optimize the output filter design based on the specific requirements of the application, including output voltage, current, and ripple requirements.
  • Renesas recommends using a low-ESR ceramic capacitor with a value of 10uF to 22uF for the input capacitor, depending on the input voltage and current requirements of the application.
  • To ensure reliable start-up and shutdown, Renesas recommends using a soft-start circuit to limit the inrush current during start-up, and a voltage supervisor to monitor the output voltage and ensure that it is within the specified range during shutdown.
  • The maximum junction temperature rating for the ISL78225ANEZ is 150°C, and it is recommended to keep the junction temperature below 125°C for optimal reliability and performance.

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ISL78225ANEZ Overview

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Part Image ISL78225ANEZ-T Renesas Electronics Corporation

Switching Controller, Current-mode, 1000kHz Switching Freq-Max, PQFP44