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ISL68144IRAZ-T7A - Renesas Electronics

Description: The ISL68144 is a digital dual output, flexible multiphase (X+Y ≤ 4) PWM controller developed to support the latest Cavium CN99xx server class processors. The ISL68144 supports the PMBus 1. 3 specification and is designed to meet the latest Intel server-class transient performance specifications. Either output can be configured to support any desired phase assignments up to a maximum of four phases across the two outputs (X+Y), such as 3+1, 2+2, 2+1, or even a single output operation as a 4+0 configuration.

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ISL68144IRAZ-T7A - Renesas Electronics PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - L40.5x5D 40 LEAD THIN QUAD FLAT NO-LEAD PLASTIC PACKAGE
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ISL68144IRAZ-T7A - Renesas Electronics  - 3D model - Quad Flat No-Lead - L40.5x5D 40 LEAD THIN QUAD FLAT NO-LEAD PLASTIC PACKAGE
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ISL68144IRAZ-T7A Details

  • Manufacturer Part Number:

    ISL68144IRAZ-T7A

  • Brand Name:

    Renesas

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    TQFN

  • Package Description:

    TQFN-40

  • Pin Count:

    40

  • Manufacturer Package Code:

    L40.5X5D

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Date Of Intro:

    2018-02-08

  • Manufacturer:

    Renesas Electronics Corporation

  • YTEOL:

    0

  • Additional Feature:

    VOUT RANGE=(0.25-3.05 VOLT)

  • Analog IC - Other Type:

    SWITCHING CONTROLLER

  • Control Mode:

    VOLTAGE-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-N40

  • JESD-609 Code:

    e3

  • Length:

    5 mm

  • Moisture Sensitivity Level:

    3

  • Number of Functions:

    1

  • Number of Terminals:

    40

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Voltage-Max:

    1.3 V

  • Output Voltage-Min:

    1.2 V

  • Output Voltage-Nom:

    1.25 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HVQCCN

  • Package Shape:

    SQUARE

  • Package Style:

    CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

  • Seated Height-Max:

    0.8 mm

  • Supply Current-Max (Isup):

    63 mA

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK

  • Switching Frequency-Max:

    1000 kHz

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    Matte Tin (Sn) - annealed

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.4 mm

  • Terminal Position:

    QUAD

  • Width:

    5 mm

ISL68144IRAZ-T7A 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.
  • The ISL68144 has a built-in overcurrent protection feature that can be enabled by connecting the OCP pin to a resistor and capacitor network. The datasheet provides a calculation formula to determine the required R and C values based on the desired overcurrent threshold.
  • According to the datasheet, the maximum allowed voltage on the input pins during startup is 20V, but it's recommended to limit it to 15V to ensure reliable operation and prevent damage to the device.
  • The ISL68144 has a SYNC pin that allows synchronization with an external clock signal. The datasheet provides guidelines for connecting the SYNC pin to an external clock source and setting the desired switching frequency.
  • Renesas recommends using a low-ESR ceramic capacitor with a value of 10uF to 22uF for the input capacitor. The datasheet provides more information on input capacitor selection and placement guidelines.

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ISL68144IRAZ-T7A Overview

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