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ISL68229IRAZ-T - Renesas Electronics

Description: The ISL68229 is a digital triple output multiphase (X+Y+Z ≤ 12) PWM controller supporting PMBus V1.3/AVSBus interfaces. The controller can be configured to support any phase assignments up to a maximum of twelve phases across the three outputs (X, Y, and Z). For example, 10+1+1, 10+2, 8+2+1, 1+1, or even single output operation as a 12+0 configuration is supported. Increased power density, combined with support for the PMBus V1.3 interface, allows the device to support any demanding power supply requirement

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ISL68229IRAZ-T - Renesas Electronics PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - L68.8x8C_1
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ISL68229IRAZ-T - Renesas Electronics  - 3D model - Quad Flat No-Lead - L68.8x8C_1
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ISL68229IRAZ-T Details

  • Manufacturer Part Number:

    ISL68229IRAZ-T

  • Brand Name:

    Renesas

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    QFN

  • Package Description:

    QFN-68

  • Pin Count:

    68

  • Manufacturer Package Code:

    L68.8X8C

  • Country Of Origin:

    Malaysia, Taiwan

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Factory Lead Time:

    18 Weeks

  • Date Of Intro:

    2020-10-05

  • Manufacturer:

    Renesas Electronics Corporation

  • YTEOL:

    7

  • Additional Feature:

    ALSO HAS PFM CONTROL

  • Analog IC - Other Type:

    SWITCHING CONTROLLER

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    3.465 V

  • Input Voltage-Min:

    3.135 V

  • Input Voltage-Nom:

    3.3 V

  • JESD-30 Code:

    S-PQCC-N68

  • JESD-609 Code:

    e3

  • Length:

    8 mm

  • Moisture Sensitivity Level:

    3

  • Number of Functions:

    1

  • Number of Terminals:

    68

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Voltage-Max:

    3.05 V

  • Output Voltage-Nom:

    1.22 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HVQCCN

  • Package Equivalence Code:

    LCC68,.31SQ,16

  • Package Shape:

    SQUARE

  • Package Style:

    CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

  • Peak Reflow Temperature (Cel):

    260

  • Seated Height-Max:

    1 mm

  • Supply Current-Max (Isup):

    20 mA

  • Surface Mount:

    YES

  • Switcher Configuration:

    SINGLE

  • Switching Frequency-Max:

    2000 kHz

  • 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:

    8 mm

ISL68229IRAZ-T Frequently Asked Questions (FAQs)

  • The recommended PCB layout for optimal thermal performance involves placing the device near a thermal pad or heat sink, using a 2-ounce copper layer, and ensuring good thermal conduction through the PCB. A detailed layout guide can be found in the application note AN1965.
  • Optimizing the compensation network involves selecting the right values for the compensation components (Rcomp, Ccomp, and Lcomp) based on the output capacitor, inductor, and load characteristics. Renesas provides a compensation tool (ISL68229 Compensation Tool) that can help with this process.
  • The maximum allowed input voltage ripple for the ISL68229IRAZ-T is 10% of the input voltage, but it's recommended to keep it below 5% to ensure stable operation and prevent oscillations.
  • The ISL68229IRAZ-T is rated for operation up to 125°C, but it's essential to consider the derating of the device's performance and the reliability of the surrounding components at high temperatures. Consult the datasheet and application notes for more information.
  • To troubleshoot oscillations or instability issues, check the PCB layout, component selection, and compensation network. Ensure that the input and output capacitors are properly selected, and the compensation components are correctly valued. Consult the application notes and Renesas support resources for more guidance.

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