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ISL95870BHRZ - Renesas Electronics

Description: The ISL95870, ISL95870A, ISL95870B ICs are Single-Phase Synchronous-Buck PWM regulators featuring Intersil’s proprietary R4 Technology™. The wide 3. 3V to 25V input voltage range is ideal for systems that run on battery or AC-adapter power sources. The ISL95870A and ISL95870B are low-cost solutions for applications requiring dynamically selected slew-rate controlled output voltages. The soft-start and dynamic setpoint slew-rates are capacitor programmed. Voltage identification logic-inputs select four (ISL9

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ISL95870BHRZ - Renesas Electronics - PCB symbol
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ISL95870BHRZ - Renesas Electronics PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - L20.3x4 20 LEAD QUAD FLAT NO-LEAD PLASTIC PACKAGE
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ISL95870BHRZ - Renesas Electronics - 3D model - Quad Flat No-Lead - L20.3x4 20 LEAD QUAD FLAT NO-LEAD PLASTIC PACKAGE
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ISL95870BHRZ Details

  • Manufacturer Part Number:

    ISL95870BHRZ

  • Brand Name:

    Renesas

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    QFN

  • Package Description:

    QFN-20

  • Pin Count:

    20

  • Manufacturer Package Code:

    L20.3X4

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    Renesas Electronics Corporation

  • YTEOL:

    0

  • Additional Feature:

    OUTPUT VOLTAGE RANGE: 0.5V TO 5V

  • Analog IC - Other Type:

    SWITCHING CONTROLLER

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    5.5 V

  • Input Voltage-Min:

    4.5 V

  • Input Voltage-Nom:

    5 V

  • JESD-30 Code:

    R-PQCC-N20

  • JESD-609 Code:

    e3

  • Length:

    4 mm

  • Moisture Sensitivity Level:

    3

  • Number of Functions:

    1

  • Number of Terminals:

    20

  • Operating Temperature-Max:

    100 °C

  • Operating Temperature-Min:

    -10 °C

  • Output Voltage-Max:

    5 V

  • Output Voltage-Min:

    0.5 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HVQCCN

  • Package Shape:

    RECTANGULAR

  • Package Style:

    CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

  • Peak Reflow Temperature (Cel):

    260

  • Seated Height-Max:

    1 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK

  • Switching Frequency-Max:

    1000 kHz

  • Temperature Grade:

    OTHER

  • Terminal Finish:

    MATTE TIN

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    QUAD

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

    30

  • Width:

    3 mm

ISL95870BHRZ Frequently Asked Questions (FAQs)

  • A 4-layer PCB with a solid ground plane and a separate power plane is recommended. Keep the switching components close to the IC, and use short, wide traces for the power paths. Avoid routing sensitive analog signals near the switching components.
  • The compensation network can be optimized by using the datasheet's recommended values as a starting point and then adjusting the values based on the specific application's requirements. A network analyzer or a Bode plot can be used to measure the loop gain and adjust the compensation network for optimal stability and transient response.
  • The ISL95870BHRZ can handle input voltages up to 25V, but the recommended maximum input voltage is 20V to ensure reliable operation and to prevent damage to the IC.
  • Ensure good thermal contact between the IC and the PCB by using a thermal pad or thermal tape. Use a heat sink if necessary, and ensure good airflow around the IC. Monitor the IC's temperature and adjust the thermal management accordingly.
  • A low-ESR ceramic capacitor with a value of 10uF to 22uF is recommended for the input capacitor. The capacitor should be placed close to the IC and have a low inductance path to the input pins.

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ISL95870BHRZ Overview

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