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ISL97698IIZ-T - Renesas Electronics

Description: The ISL97698 is a highly integrated 2-channel LED driver for white LED (WLED) backlit TFT-LCD panels. The device is composed of a synchronous boost converter and two low-side current sinks that are capable of driving an output voltage up to 23. 5V and 25mA LED current, per string. The IC operates from an input supply of 2. 5V to 5. 5V. The driver features Dynamic Headroom Control that monitors the highest LED forward voltage string to determine the requested boost output voltage. With a controlled low 70mV

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ISL97698IIZ-T - Renesas Electronics - PCB symbol
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ISL97698IIZ-T - Renesas Electronics PCB footprint - BGA - BGA - W3x4.12A
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ISL97698IIZ-T - Renesas Electronics - 3D model - BGA - W3x4.12A
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ISL97698IIZ-T Details

  • Manufacturer Part Number:

    ISL97698IIZ-T

  • Brand Name:

    Renesas

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    WLCSP-BPBC

  • Package Description:

    CSP-12

  • Pin Count:

    12

  • Manufacturer Package Code:

    W3X4.12A

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    Renesas Electronics Corporation

  • YTEOL:

    0

  • Data Input Mode:

    SERIAL

  • Input Characteristics:

    SCHMITT TRIGGER

  • Interface IC Type:

    LED DISPLAY DRIVER

  • JESD-30 Code:

    R-PBGA-B12

  • JESD-609 Code:

    e1

  • Length:

    1.69 mm

  • Moisture Sensitivity Level:

    1

  • Multiplexed Display Capability:

    NO

  • Number of Functions:

    1

  • Number of Segments:

    4

  • Number of Terminals:

    12

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Characteristics:

    OPEN-DRAIN

  • Output Polarity:

    TRUE

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    VFBGA

  • Package Equivalence Code:

    BGA12,3X4,16

  • Package Shape:

    RECTANGULAR

  • Package Style:

    GRID ARRAY, VERY THIN PROFILE, FINE PITCH

  • Seated Height-Max:

    0.59 mm

  • Supply Current-Max:

    0.35 mA

  • Supply Voltage-Max:

    5.5 V

  • Supply Voltage-Min:

    2.5 V

  • Supply Voltage-Nom:

    3.7 V

  • Surface Mount:

    YES

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    Tin/Silver/Copper (Sn/Ag/Cu)

  • Terminal Form:

    BALL

  • Terminal Pitch:

    0.4 mm

  • Terminal Position:

    BOTTOM

  • Width:

    1.39 mm

  • fmax-Min:

    0.4 MHz

ISL97698IIZ-T Frequently Asked Questions (FAQs)

  • Renesas provides a recommended PCB layout in the application note AN1866, which includes guidelines for thermal vias, copper pours, and component placement to minimize thermal resistance and ensure reliable operation.
  • The ISL97698IIZ-T has a programmable output voltage range of 0.8V to 3.3V. To select the correct output voltage, consider the voltage requirements of your load, the input voltage range, and the desired efficiency. Renesas provides a voltage selection guide in the datasheet to help with this process.
  • While the datasheet specifies a maximum input voltage of 5.5V, it's essential to note that the device can tolerate up to 6V for short durations (less than 100ms) without damage. However, continuous operation above 5.5V is not recommended.
  • To ensure stability and reliability, follow the recommended layout and component selection guidelines in the datasheet and application notes. Additionally, perform thorough testing, including thermal stress testing, to validate the device's performance in your specific application.
  • Renesas recommends using a low-ESR ceramic capacitor (X5R or X7R dielectric) with a value of 10uF to 22uF for the input capacitor. This helps to minimize input voltage ripple and ensure stable operation.

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ISL97698IIZ-T Overview

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