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ISL78233ARZ - Renesas Electronics

Description: The ISL78233 and ISL78234 are highly efficient, monolithic, synchronous step-down DC/DC converters that can deliver 3A (ISL78233), or 4A (ISL78234) of continuous output current from a 2. 7V to 5. 5V input supply. The devices use current mode control architecture to deliver a very low duty cycle operation at high frequency with fast transient response and excellent loop stability. The ISL78233 and ISL78234 integrate a very low ON‑resistance P‑channel (35mΩ) high-side FET and N-channel (11mΩ) low‑side FET to

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ISL78233ARZ - Renesas Electronics - PCB symbol
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PCB Footprints
ISL78233ARZ - Renesas Electronics PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - L16.3x3D-2
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3D Models
ISL78233ARZ - Renesas Electronics - 3D model - Quad Flat No-Lead - L16.3x3D-2
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ISL78233ARZ Details

  • Manufacturer Part Number:

    ISL78233ARZ

  • Brand Name:

    Renesas

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    TQFN

  • Package Description:

    TQFN-16

  • Pin Count:

    16

  • Manufacturer Package Code:

    L16.3X3D

  • Country Of Origin:

    Malaysia, Taiwan

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Factory Lead Time:

    18 Weeks

  • Manufacturer:

    Renesas Electronics Corporation

  • YTEOL:

    8

  • Additional Feature:

    PFM TECHNIQUE ALSO USED

  • Analog IC - Other Type:

    SWITCHING REGULATOR

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    5.5 V

  • Input Voltage-Min:

    2.7 V

  • Input Voltage-Nom:

    3.6 V

  • JESD-30 Code:

    S-PQCC-N16

  • JESD-609 Code:

    e3

  • Length:

    3 mm

  • Moisture Sensitivity Level:

    3

  • Number of Functions:

    1

  • Number of Terminals:

    16

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    6.6 A

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HVQCCN

  • Package Shape:

    SQUARE

  • Package Style:

    CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

  • Peak Reflow Temperature (Cel):

    260

  • Screening Level:

    AEC-Q100

  • Seated Height-Max:

    0.8 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK

  • Switching Frequency-Max:

    2350 kHz

  • Temperature Grade:

    AUTOMOTIVE

  • 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:

    3 mm

ISL78233ARZ Frequently Asked Questions (FAQs)

  • Renesas provides a recommended PCB layout guide in their application note AN1965, which includes guidelines for thermal vias, copper pours, and component placement to minimize thermal resistance and ensure optimal performance.
  • Renesas provides an inductor selection guide in their application note AN1964, which includes guidelines for selecting the right inductor based on the output voltage, current, and switching frequency. Additionally, the datasheet provides a list of recommended inductors that have been tested with the ISL78233ARZ.
  • The maximum junction temperature (Tj) for the ISL78233ARZ is 150°C. However, it's recommended to keep the junction temperature below 125°C for optimal reliability and performance.
  • Yes, the ISL78233ARZ is rated for operation up to 125°C ambient temperature. However, the device's performance and reliability may degrade at high temperatures, and it's recommended to derate the output current and voltage accordingly.
  • Renesas provides a troubleshooting guide in their application note AN1966, which includes guidelines for identifying and resolving common issues such as oscillations, instability, and overvoltage protection. Additionally, the datasheet provides a list of common mistakes to avoid during design and layout.

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ISL78233ARZ Overview

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