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ISL6744AABZ-T - Renesas Electronics

Description: The ISL6744A is a low cost, primary side, double-ended controller intended for applications using full and half-bridge topologies for unregulated DC/DC converters. It is a voltage-mode PWM controller designed for half-bridge and full-bridge power supplies. It provides precise switching frequency control, adjustable soft-start, precise dead time control with dead times as low as 35ns, and overcurrent shutdown. The ISL6744A is identical to the ISL6744, but is optimized for higher noise environments. Low start

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ISL6744AABZ-T - Renesas Electronics - PCB symbol
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ISL6744AABZ-T - Renesas Electronics PCB footprint - Small Outline Packages - Small Outline Packages - (8 LD SOIC)
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ISL6744AABZ-T Details

  • Manufacturer Part Number:

    ISL6744AABZ-T

  • Brand Name:

    Renesas

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    SOICN

  • Package Description:

    SOIC-8

  • Pin Count:

    8

  • Manufacturer Package Code:

    M8.15

  • 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:

    VOLTAGE-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    16 V

  • Input Voltage-Min:

    9 V

  • Input Voltage-Nom:

    12 V

  • JESD-30 Code:

    R-PDSO-G8

  • JESD-609 Code:

    e3

  • Length:

    4.9 mm

  • Moisture Sensitivity Level:

    3

  • 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:

    SOP

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Peak Reflow Temperature (Cel):

    260

  • Seated Height-Max:

    1.75 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK

  • Switching Frequency-Max:

    2000 kHz

  • Technology:

    BICMOS

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    Matte Tin (Sn) - annealed

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    3.9 mm

ISL6744AABZ-T Frequently Asked Questions (FAQs)

  • A good PCB layout for the ISL6744AABZ-T involves keeping the input and output capacitors close to the device, using a solid ground plane, and minimizing the length of the traces to reduce parasitic inductance and capacitance.
  • To ensure stability, ensure that the output capacitor is within the recommended range, the input voltage is within the specified range, and the device is operated within the recommended temperature range. Additionally, a minimum ESR (Equivalent Series Resistance) of 0.1 ohms is recommended for the output capacitor.
  • The ISL6744AABZ-T can operate in ambient temperatures ranging from -40°C to +85°C. However, the device's performance and reliability may degrade at higher temperatures, so it's recommended to keep the ambient temperature below 70°C for optimal performance.
  • Yes, the ISL6744AABZ-T is suitable for high-reliability applications. It has undergone rigorous testing and meets the requirements of various industry standards, including AEC-Q100 for automotive applications.
  • To troubleshoot issues, start by verifying that the input voltage and output voltage are within the recommended ranges. Check for proper PCB layout, decoupling, and thermal management. Use an oscilloscope to check for oscillations, noise, or other anomalies on the output. Consult the datasheet and application notes for guidance on troubleshooting common issues.

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ISL6744AABZ-T Overview

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