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ISL8844AAUZ-T - Renesas Electronics

Description: The ISL884xA is a high performance drop-in replacement for the popular 28C4x and 18C4x PWM controllers suitable for a wide range of power conversion applications including boost, flyback, and isolated output configurations. Its fast signal propagation and output switching characteristics make this an ideal product for existing and new designs. Features include 30V operation, low operating current, 90µA start-up current, adjustable operating frequency to 2MHz, and high peak current drive capability with 20ns

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ISL8844AAUZ-T - Renesas Electronics - PCB symbol
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ISL8844AAUZ-T - Renesas Electronics PCB footprint - Small Outline Packages - Small Outline Packages - M8.118
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ISL8844AAUZ-T - Renesas Electronics - 3D model - Small Outline Packages - M8.118
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ISL8844AAUZ-T Details

  • Manufacturer Part Number:

    ISL8844AAUZ-T

  • Brand Name:

    Renesas

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    MSOP

  • Pin Count:

    8

  • Manufacturer Package Code:

    M8.118

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Factory Lead Time:

    18 Weeks

  • Manufacturer:

    Renesas Electronics Corporation

  • YTEOL:

    0

  • Analog IC - Other Type:

    SWITCHING CONTROLLER

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE FREQUENCY MODULATION

  • Input Voltage-Max:

    30 V

  • Input Voltage-Min:

    9 V

  • Input Voltage-Nom:

    15 V

  • JESD-30 Code:

    S-PDSO-G8

  • JESD-609 Code:

    e3

  • Length:

    3 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    8

  • Operating Temperature-Max:

    105 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    TSSOP

  • Package Shape:

    SQUARE

  • Package Style:

    SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

  • Packing Method:

    TR

  • Peak Reflow Temperature (Cel):

    260

  • Seated Height-Max:

    1.1 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    BOOST

  • Switching Frequency-Max:

    2000 kHz

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    Matte Tin (Sn) - annealed

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.65 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    3 mm

ISL8844AAUZ-T Frequently Asked Questions (FAQs)

  • Renesas provides a recommended PCB layout in the ISL8844 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 an inductor selection guide in the ISL8844 datasheet, which includes formulas and tables to help designers choose the right inductor based on the output voltage, current, and switching frequency. Additionally, Renesas recommends using inductors from approved vendors to ensure compatibility and reliability.
  • The maximum junction temperature (Tj) for the ISL8844AAUZ-T 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.
  • While the ISL8844AAUZ-T can operate up to 150°C, it's not recommended for use in high-temperature environments above 125°C without proper derating and thermal management. Renesas provides thermal derating curves in the datasheet to help designers determine the maximum operating temperature based on the ambient temperature and power dissipation.
  • Renesas provides a troubleshooting guide in the ISL8844 datasheet, which includes a list of common issues, possible causes, and recommended solutions. Additionally, Renesas recommends using the ISL8844 evaluation board and development tools to debug and optimize the design.

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ISL8844AAUZ-T Overview

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