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ISL62773AHRZ - Renesas Electronics

Description: The ISL62773A is fully compliant with AMD Fusion™ SVI 2. 0 and provides a complete solution for microprocessor and graphics processor core power. The ISL62773A controller supports two Voltage Regulators (VRs) with three integrated gate drivers and two optional external drivers for maximum flexibility. The Core VR can be configured for 3-, 2-, or 1-phase operation while the Northbridge VR supports 2- or 1-phase configurations. The two VRs share a serial control bus to communicate with the AMD CPU and achieve

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ISL62773AHRZ - Renesas Electronics PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - L48.6x6B
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ISL62773AHRZ Details

  • Manufacturer Part Number:

    ISL62773AHRZ

  • Brand Name:

    Renesas

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    QFN

  • Package Description:

    QFN-48

  • Pin Count:

    48

  • Manufacturer Package Code:

    L48.6X6B

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Date Of Intro:

    2017-11-13

  • Manufacturer:

    Renesas Electronics Corporation

  • YTEOL:

    0

  • Analog IC - Other Type:

    SWITCHING CONTROLLER

  • Control Mode:

    VOLTAGE-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-PQCC-N48

  • JESD-609 Code:

    e3

  • Length:

    6 mm

  • Moisture Sensitivity Level:

    3

  • Number of Functions:

    1

  • Number of Terminals:

    48

  • Operating Temperature-Max:

    100 °C

  • Operating Temperature-Min:

    -10 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HVQCCN

  • Package Equivalence Code:

    LCC48,.24SQ,16

  • Package Shape:

    SQUARE

  • Package Style:

    CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

  • Peak Reflow Temperature (Cel):

    260

  • Seated Height-Max:

    1 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    BOOST

  • Switching Frequency-Max:

    450 kHz

  • Temperature Grade:

    OTHER

  • Terminal Finish:

    Matte Tin (Sn) - annealed

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.4 mm

  • Terminal Position:

    QUAD

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

    30

  • Width:

    6 mm

ISL62773AHRZ Frequently Asked Questions (FAQs)

  • A 4-layer PCB with a solid ground plane and a separate power plane is recommended. Keep the switching components (e.g., FETs, inductors) close to the IC, and use short, wide traces for the power paths.
  • Ensure that the input voltage rises and falls monotonically, and that the EN pin is properly driven to prevent unwanted start-up or shutdown. Add a soft-start capacitor to the SS pin to control the start-up sequence.
  • The IC has a thermal pad that must be connected to a solid ground plane for heat dissipation. Ensure good airflow around the IC, and consider using a heat sink or thermal interface material if necessary.
  • Use the datasheet's recommended compensation network values as a starting point, and then adjust the values based on the specific application's requirements and stability analysis.
  • Use a shielded inductor, keep the switching components close to the IC, and add EMI filters (e.g., common-mode chokes, ferrite beads) to the input and output lines. Ensure good PCB layout and grounding practices.

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ISL62773AHRZ Overview

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