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ISL9492ERZ - Renesas Electronics

Description: The ISL9492 is a highly integrated voltage regulator and interface IC specifically designed for supplying power and control signals from advanced satellite set-top box (STB) modules to the low noise blocks (LNB) of a single antenna port. It also supports DiSEqC tone generation and modulation with diagnostic status read-back. Controlling the ISL9492 is simple via the I2C bus by writing 8 bit words onto the System Registers (SR). The device design makes the total LNB supply design simple, efficient and compac

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ISL9492ERZ - Renesas Electronics PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - ISL6228 (28 LD 4x4 TQFN)-
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ISL9492ERZ - Renesas Electronics  - 3D model - Quad Flat No-Lead - ISL6228 (28 LD 4x4 TQFN)-
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ISL9492ERZ Details

  • Manufacturer Part Number:

    ISL9492ERZ

  • Brand Name:

    Renesas

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    TQFN

  • Package Description:

    TQFN-28

  • Pin Count:

    28

  • Manufacturer Package Code:

    L28.4X4A

  • 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:

    6.5

  • Analog IC - Other Type:

    SWITCHING REGULATOR

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    14 V

  • Input Voltage-Min:

    8 V

  • Input Voltage-Nom:

    12 V

  • JESD-30 Code:

    S-PQCC-N28

  • JESD-609 Code:

    e3

  • Length:

    4 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    28

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -20 °C

  • Output Current-Max:

    1.05 A

  • Output Voltage-Max:

    20.3 V

  • Output Voltage-Min:

    19.7 V

  • Output Voltage-Nom:

    20 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HVQCCN

  • Package Equivalence Code:

    LCC28,.16SQ,16

  • Package Shape:

    SQUARE

  • Package Style:

    CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

  • Peak Reflow Temperature (Cel):

    260

  • Seated Height-Max:

    0.75 mm

  • Supply Current-Max (Isup):

    10 mA

  • Surface Mount:

    YES

  • Switcher Configuration:

    BOOST

  • Switching Frequency-Max:

    490 kHz

  • Temperature Grade:

    OTHER

  • Terminal Finish:

    Matte Tin (Sn) - annealed

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.4 mm

  • Terminal Position:

    QUAD

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

    30

  • Width:

    4 mm

ISL9492ERZ Frequently Asked Questions (FAQs)

  • A good PCB layout practice is to keep the input and output capacitors close to the IC, and use a solid ground plane to reduce EMI. Additionally, it's recommended to keep the high-current paths short and away from sensitive analog signals.
  • To ensure stability, make sure to follow the recommended component values and PCB layout guidelines. Also, ensure that the output capacitors are of high quality and have low ESR. Additionally, a minimum of 10uF output capacitance is recommended to ensure stability.
  • The maximum ambient temperature range for the ISL9492ERZ is -40°C to +85°C. However, the device can operate up to +100°C with derating.
  • Yes, the ISL9492ERZ is suitable for high-reliability applications. It's built with a robust design and has undergone rigorous testing to ensure its reliability. However, it's essential to follow proper design and manufacturing guidelines to ensure the device operates within its specifications.
  • To troubleshoot issues with the ISL9492ERZ, start by checking the input voltage, output voltage, and current. Verify that the component values and PCB layout meet the recommended guidelines. Use an oscilloscope to check for oscillations or noise on the output. If the issue persists, consult the datasheet and application notes or contact Renesas support for further assistance.

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ISL9492ERZ Overview

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