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IW3689-01 - Renesas Electronics

Description: The iW3689 is a single-stage, high-performance SSL LED driver offering smooth, flicker- and shimmer-free dimming performance and exceptional compatibility with an ultra-wide range of phase-cut dimmers, including the most challenging TRIAC and digital dimmers.Renesas' patented digital algorithms eliminate more than 20 components, including the external bleeder circuit, enabling integrated active biasing for high-performance dimming at a lower BOM cost compared to conventional bleeder circuits. The iW3689 als

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IW3689-01 - Renesas Electronics - PCB symbol
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IW3689-01 - Renesas Electronics PCB footprint - Small Outline Packages - Small Outline Packages - (8 LD SOIC)-000
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IW3689-01 - Renesas Electronics - 3D model - Small Outline Packages - (8 LD SOIC)-000
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IW3689-01 Details

  • Manufacturer Part Number:

    IW3689-01

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    SOIC-8

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Factory Lead Time:

    18 Weeks

  • Manufacturer:

    Renesas Electronics Corporation

  • YTEOL:

    7.89

  • Data Input Mode:

    SERIAL

  • Input Characteristics:

    STANDARD

  • Interface IC Type:

    LED DISPLAY DRIVER

  • JESD-30 Code:

    R-PDSO-G8

  • Length:

    4.9 mm

  • Moisture Sensitivity Level:

    1

  • Multiplexed Display Capability:

    NO

  • Number of Functions:

    1

  • Number of Segments:

    1

  • Number of Terminals:

    8

  • Operating Temperature-Max:

    150 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Polarity:

    TRUE

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Seated Height-Max:

    1.75 mm

  • Surface Mount:

    YES

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

  • Width:

    3.9 mm

IW3689-01 Frequently Asked Questions (FAQs)

  • Renesas provides a recommended PCB layout guide in their application note (AN1844) for the IW3689-01, which includes guidelines for thermal vias, copper pours, and component placement to ensure optimal thermal performance.
  • The IW3689-01 has a built-in overcurrent protection feature, but it's recommended to add an external overcurrent protection circuit to ensure reliable operation. Renesas provides a reference design in their application note (AN1845) that includes a circuit diagram and component values for overcurrent protection.
  • Renesas recommends using a low-ESR ceramic capacitor with a value of 10uF to 22uF for the input capacitor. The capacitor should be placed as close as possible to the VIN pin of the IW3689-01 to minimize noise and ensure stable operation.
  • The output voltage of the IW3689-01 can be adjusted by using a resistive divider network between the VOUT pin and the GND pin. Renesas provides a formula in their datasheet to calculate the required resistor values for a specific output voltage.
  • The maximum ambient temperature for the IW3689-01 is 85°C, but it's recommended to derate the device's power dissipation according to the temperature derating curve provided in the datasheet to ensure reliable operation.

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IW3689-01 Overview

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