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ISL78268ARZ - Renesas Electronics

Description: The ISL78268 is a grade 1, automotive, synchronous buck controller with integrated high/low side MOSFET drivers. It supports a wide operating input voltage range of 5V to 55V and up to 60V at VIN when not switching. The integrated driver offers adaptive dead-time control and is capable of supplying up to 2A sourcing and 3A sinking current, allowing the ISL78268 to support power stages designed for a wide range of loads, from under 1A to over 25A. ISL78268’s fully synchronous architecture enables power conve

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ISL78268ARZ - Renesas Electronics PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - L24.4x4H
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ISL78268ARZ - Renesas Electronics  - 3D model - Quad Flat No-Lead - L24.4x4H
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ISL78268ARZ Details

  • Manufacturer Part Number:

    ISL78268ARZ

  • Brand Name:

    Renesas

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    QFN

  • Package Description:

    QFN-24

  • Pin Count:

    24

  • Manufacturer Package Code:

    L24.4X4H

  • Country Of Origin:

    Malaysia, Taiwan

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Factory Lead Time:

    18 Weeks

  • Manufacturer:

    Renesas Electronics Corporation

  • YTEOL:

    8

  • Analog IC - Other Type:

    SWITCHING CONTROLLER

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    55 V

  • Input Voltage-Min:

    5 V

  • Input Voltage-Nom:

    12 V

  • JESD-30 Code:

    S-PQCC-N24

  • JESD-609 Code:

    e3

  • Length:

    4 mm

  • Moisture Sensitivity Level:

    2

  • Number of Functions:

    1

  • Number of Terminals:

    24

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HVQCCN

  • Package Equivalence Code:

    LCC24,.16SQ,20

  • Package Shape:

    SQUARE

  • Package Style:

    CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

  • Packing Method:

    TUBE

  • Peak Reflow Temperature (Cel):

    260

  • Screening Level:

    AEC-Q100

  • Seated Height-Max:

    1 mm

  • Supply Current-Max (Isup):

    7 mA

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK

  • Switching Frequency-Max:

    1100 kHz

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    Matte Tin (Sn) - annealed

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    QUAD

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

    30

  • Width:

    4 mm

ISL78268ARZ Frequently Asked Questions (FAQs)

  • Renesas provides a recommended PCB layout guide in their application note AN1965, which includes guidelines for thermal vias, copper pours, and component placement to minimize thermal resistance and ensure optimal performance.
  • Renesas provides an inductor selection guide in their application note AN1964, which includes guidelines for selecting the right inductor based on the device's operating frequency, output voltage, and current requirements.
  • The maximum junction temperature (Tj) for the ISL78268ARZ is 150°C, as specified in the datasheet. However, it's recommended to keep the junction temperature below 125°C for optimal reliability and performance.
  • Yes, the ISL78268ARZ is qualified for automotive and high-reliability applications, and meets the requirements of AEC-Q100 and ISO/TS 16949. However, additional testing and validation may be required for specific applications.
  • Renesas provides a troubleshooting guide in their application note AN1966, which includes guidelines for identifying and resolving common issues such as output voltage instability, overheating, and oscillations.

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ISL78268ARZ Overview

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