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ISL97635AIRZ - Renesas Electronics

Description: The ISL97635A is a digitally controlled LED driver that controls 6 channels of LED current for LCD backlight applications. The ISL97635A is capable of driving typically 54 (6x9) pieces of 3. 5V/30mA or 60 (6x10) pieces of 3. 2V/20mA LEDs. The ISL97635A contains 6 channels of voltage controlled current sources with typical currents matching of ±1%, which compensate for the non-uniformity effect of forward voltages variance in the LED stacks. To minimize the voltage headroom and power loss in the typical mult

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ISL97635AIRZ - Renesas Electronics - PCB symbol
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ISL97635AIRZ - Renesas Electronics PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - L24.4x4D-+
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ISL97635AIRZ - Renesas Electronics - 3D model - Quad Flat No-Lead - L24.4x4D-+
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ISL97635AIRZ Details

  • Manufacturer Part Number:

    ISL97635AIRZ

  • Brand Name:

    Renesas

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    QFN

  • Package Description:

    QFN-24

  • Pin Count:

    24

  • Manufacturer Package Code:

    L24.4X4D

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    Renesas Electronics Corporation

  • YTEOL:

    0

  • Data Input Mode:

    SERIAL

  • Input Characteristics:

    STANDARD

  • Interface IC Type:

    LED DISPLAY DRIVER

  • JESD-30 Code:

    S-PQCC-N24

  • JESD-609 Code:

    e3

  • Length:

    5 mm

  • Moisture Sensitivity Level:

    3

  • Multiplexed Display Capability:

    NO

  • Number of Functions:

    1

  • Number of Segments:

    54

  • Number of Terminals:

    24

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Polarity:

    TRUE

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HVQCCN

  • Package Equivalence Code:

    LCC24,.16SQ,20

  • 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:

    10 mA

  • Supply Voltage-Max:

    24 V

  • Supply Voltage-Min:

    6 V

  • Supply Voltage-Nom:

    12 V

  • Surface Mount:

    YES

  • Terminal Finish:

    Matte Tin (Sn) - annealed

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    QUAD

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

    30

  • Width:

    5 mm

  • fmax-Min:

    0.1 MHz

ISL97635AIRZ Frequently Asked Questions (FAQs)

  • Renesas provides a recommended PCB layout in the application note AN1995, which includes guidelines for thermal vias, copper pours, and component placement to minimize thermal resistance and ensure reliable operation.
  • The input capacitor selection depends on the input voltage, output voltage, and output current. Renesas recommends using a low-ESR ceramic capacitor with a value between 4.7uF to 10uF, and a voltage rating of at least 1.5 times the maximum input voltage.
  • The ISL97635AIRZ is rated for operation up to 85°C ambient temperature, but derating is required for temperatures above 70°C. Consult the datasheet for derating curves and thermal management guidelines.
  • Check the input voltage, output load, and feedback resistors for correct values and connections. Verify that the output capacitor is properly selected and connected. Use an oscilloscope to check for oscillations or noise on the output voltage. Consult the datasheet and application notes for troubleshooting guidelines.
  • Yes, the ISL97635AIRZ is AEC-Q100 qualified and suitable for automotive and high-reliability applications. However, additional testing and validation may be required to meet specific industry standards or customer requirements.

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ISL97635AIRZ Overview

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