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ISL85003AFRZ-T7A - Renesas Electronics

Description: The ISL85003 and ISL85003A are synchronous buck regulators with integrated high-side and low-side FETs. The regulator can operate from an input voltage range of 4. 5V to 18V while delivering a very efficient continuous 3A current. This is all delivered in a very compact 3mmx4mm DFN package. The ISL85003 is designed on Intersil’s proprietary fab process that is designed to deliver very low rDS(ON) FETs with an optimized current mode controller wrapped around it. The high-side NFET is designed to have an rDS(

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ISL85003AFRZ-T7A - Renesas Electronics PCB footprint - Small Outline No-lead - Small Outline No-lead - L12.3x4 -+
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ISL85003AFRZ-T7A Details

  • Manufacturer Part Number:

    ISL85003AFRZ-T7A

  • Brand Name:

    Renesas

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    DFN

  • Package Description:

    DFN-12

  • Pin Count:

    12

  • Manufacturer Package Code:

    L12.3X4

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Factory Lead Time:

    4 Weeks

  • Manufacturer:

    Renesas Electronics Corporation

  • YTEOL:

    0

  • Analog IC - Other Type:

    SWITCHING REGULATOR

  • Control Mode:

    CURRENT MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    18 V

  • Input Voltage-Min:

    4.5 V

  • Input Voltage-Nom:

    12 V

  • JESD-30 Code:

    R-PDSO-N12

  • Length:

    4 mm

  • Moisture Sensitivity Level:

    3

  • Number of Functions:

    1

  • Number of Terminals:

    12

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    0.05 A

  • Output Voltage-Max:

    5.5 V

  • Output Voltage-Min:

    4.3 V

  • Output Voltage-Nom:

    5 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HVSON

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE

  • Peak Reflow Temperature (Cel):

    260

  • Seated Height-Max:

    0.9 mm

  • Supply Current-Max (Isup):

    3 mA

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK-BOOST

  • Switching Frequency-Max:

    500 kHz

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    Pure Matte Tin (Sn) - annealed

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    3 mm

ISL85003AFRZ-T7A Frequently Asked Questions (FAQs)

  • A good PCB layout for the ISL85003AFRZ-T7A involves keeping the input and output capacitors close to the IC, using a solid ground plane, and minimizing the length of the traces to reduce EMI and noise.
  • To ensure stability, it's essential to follow the recommended component values and PCB layout guidelines, and to ensure that the output capacitor has a low ESR and is properly sized for the application.
  • The maximum ambient temperature range for the ISL85003AFRZ-T7A is -40°C to +125°C, but the device can operate up to 150°C with derating.
  • Yes, the ISL85003AFRZ-T7A is suitable for high-reliability applications, such as aerospace, automotive, and industrial control systems, due to its high MTBF (mean time between failures) and low FIT (failure in time) rate.
  • To troubleshoot issues, start by checking the input voltage, output voltage, and current consumption. Verify that the component values and PCB layout meet the recommended specifications. Use an oscilloscope to check for noise, oscillations, or other anomalies.

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ISL85003AFRZ-T7A Overview

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