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ISL91110II2AZ-T7A - Renesas Electronics

Description: ISL91110 and ISL91110IR are high-current buck-boost switching regulators for systems using new battery chemistries. They use Intersil’s proprietary buck-boost algorithm to maintain voltage regulation while providing excellent efficiency and very low output voltage ripple when the input voltage is close to the output voltage. ISL91110 and ISL91110IR are capable of delivering at least 2A continuous output current (VOUT = 3.3V) over a battery voltage range of 2.5V to 4.35V. This maximizes the energy utilizatio

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ISL91110II2AZ-T7A - Renesas Electronics PCB footprint - BGA - BGA - W5x5.25E
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ISL91110II2AZ-T7A - Renesas Electronics  - 3D model - BGA - W5x5.25E
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ISL91110II2AZ-T7A Details

  • Manufacturer Part Number:

    ISL91110II2AZ-T7A

  • Brand Name:

    Renesas

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    WLCSP-TKCURDLBC

  • Package Description:

    WLCSP-25

  • Pin Count:

    25

  • Manufacturer Package Code:

    W5X5.25E

  • Country Of Origin:

    Malaysia, Taiwan

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Factory Lead Time:

    18 Weeks

  • Date Of Intro:

    2017-11-15

  • Manufacturer:

    Renesas Electronics Corporation

  • YTEOL:

    8

  • Additional Feature:

    PFM TECHNIQUE ALSO USED

  • Analog IC - Other Type:

    SWITCHING REGULATOR

  • Control Mode:

    VOLTAGE-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    5.5 V

  • Input Voltage-Min:

    1.8 V

  • Input Voltage-Nom:

    3.6 V

  • JESD-30 Code:

    R-PBGA-B25

  • JESD-609 Code:

    e1

  • Length:

    2.33 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    25

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    5.1 A

  • Output Voltage-Max:

    3.57 V

  • Output Voltage-Min:

    3.43 V

  • Output Voltage-Nom:

    3.5 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    VFBGA

  • Package Shape:

    RECTANGULAR

  • Package Style:

    GRID ARRAY, VERY THIN PROFILE, FINE PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Seated Height-Max:

    0.59 mm

  • Supply Current-Max (Isup):

    0.06 mA

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK-BOOST

  • Switching Frequency-Max:

    2500 kHz

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

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

  • Terminal Form:

    BALL

  • Terminal Pitch:

    0.4 mm

  • Terminal Position:

    BOTTOM

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

    30

  • Width:

    2.07 mm

ISL91110II2AZ-T7A Frequently Asked Questions (FAQs)

  • Renesas provides a recommended PCB layout guide in their application note AN1965, which includes guidelines for component placement, thermal management, and routing to minimize noise and ensure optimal performance.
  • Renesas recommends using an inductor with a low DCR (DC resistance) and high saturation current to minimize losses and ensure stable operation. The datasheet provides a list of recommended inductors, and the application note AN1965 provides guidelines for inductor selection.
  • Although the datasheet specifies a maximum input voltage of 5.5V, Renesas recommends limiting the input voltage to 5.2V to ensure reliable operation and prevent damage to the device.
  • The ISL91110II2AZ-T7A has a built-in OCP feature that can be enabled by connecting the OCP pin to a resistor and capacitor network. The application note AN1965 provides a detailed example of how to implement OCP with this device.
  • Renesas provides a thermal derating curve in the datasheet, which shows the maximum power dissipation vs. ambient temperature. This curve can be used to determine the maximum output current at a given temperature.

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