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ISL78228ARZ-T - Renesas Electronics

Description: The ISL78228 is a high efficiency, dual synchronous step-down DC/DC regulator that can deliver up to 800mA continuous output current per channel. The supply voltage range of 2. 75V to 5. 5V allows for the use of a 3. 3V or 5V input. The current mode control architecture enables very low duty cycle operation at high frequency with fast transient response and excellent loop stability. The ISL78228 operates above the AM radio band as well as the 2. 25MHz switching frequency, allowing for the use of small, low

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ISL78228ARZ-T - Renesas Electronics - PCB symbol
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ISL78228ARZ-T - Renesas Electronics PCB footprint - Small Outline No-lead - Small Outline No-lead - (10 LD 3X3 DFN)
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ISL78228ARZ-T - Renesas Electronics - 3D model - Small Outline No-lead - (10 LD 3X3 DFN)
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ISL78228ARZ-T Details

  • Manufacturer Part Number:

    ISL78228ARZ-T

  • Brand Name:

    Renesas

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    End Of Life

  • Part Package Code:

    DFN

  • Package Description:

    DFN-10

  • Pin Count:

    10

  • Manufacturer Package Code:

    L10.3X3C

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Factory Lead Time:

    18 Weeks

  • Date Of Intro:

    2017-10-24

  • Manufacturer:

    Renesas Electronics Corporation

  • YTEOL:

    1

  • Analog IC - Other Type:

    DUAL SWITCHING CONTROLLER

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PWM/PFM

  • Input Voltage-Max:

    5.5 V

  • Input Voltage-Min:

    2.75 V

  • Input Voltage-Nom:

    3.6 V

  • JESD-30 Code:

    S-PDSO-N10

  • JESD-609 Code:

    e3

  • Length:

    3 mm

  • Moisture Sensitivity Level:

    2

  • Number of Functions:

    1

  • Number of Terminals:

    10

  • Operating Temperature-Max:

    105 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    0.8 A

  • Output Voltage-Max:

    5.5 V

  • Output Voltage-Min:

    0.6 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HVSON

  • Package Equivalence Code:

    SOLCC10,.12,20

  • Package Shape:

    SQUARE

  • Package Style:

    SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE

  • Peak Reflow Temperature (Cel):

    260

  • Seated Height-Max:

    0.9 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK

  • Switching Frequency-Max:

    2700 kHz

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    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

ISL78228ARZ-T 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 device's operating frequency, output voltage, and current requirements.
  • The maximum junction temperature (Tj) for the ISL78228ARZ-T is 150°C, as specified in the datasheet. However, it's recommended to keep the junction temperature below 125°C for optimal reliability and performance.
  • Yes, the ISL78228ARZ-T is rated for operation up to 125°C ambient temperature, making it suitable for high-temperature environments. However, the device's performance and reliability may degrade at higher temperatures, so it's essential to follow the recommended operating conditions and thermal management guidelines.
  • Renesas provides a troubleshooting guide in their application note AN1966, which includes common issues, symptoms, and solutions for the ISL78228ARZ-T. Additionally, the datasheet provides guidelines for layout, component selection, and design considerations to minimize the risk of oscillations and instability.

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