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RRM12120-B40 - Renesas Electronics

Description: The RRM12120 is a fully PMBus-enabled DC/DC step-down power supply capable of delivering up to 20A of current from a compact 10mm × 13mm × 5.9mm thermally enhanced BGA package.Operating across an input voltage range of 4.75V to 15V, the RRM12120 offers adjustable output voltages down to 0.45V and achieves up to 94% efficiency. The RRM12120 implements the proprietary Renesas digital synthetic current modulation scheme to achieve an industry-leading combination of transient response, ease of tuning, and effic

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RRM12120-B40 - Renesas Electronics - PCB symbol
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RRM12120-B40 - Renesas Electronics PCB footprint - BGA - BGA - 130 Ball BGA+POP
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RRM12120-B40 - Renesas Electronics - 3D model - BGA - 130 Ball BGA+POP
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RRM12120-B40 Details

  • Manufacturer Part Number:

    RRM12120-B40

  • Part Life Cycle Code:

    Active

  • Package Description:

    BGA-130

  • 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

  • Analog IC - Other Type:

    SWITCHING REGULATOR

  • Control Mode:

    CURRENT/VOLTAGE-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    15 V

  • Input Voltage-Min:

    4.75 V

  • Input Voltage-Nom:

    12 V

  • JESD-30 Code:

    R-PBGA-B130

  • Length:

    13 mm

  • Number of Functions:

    1

  • Number of Terminals:

    130

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    20 A

  • Output Voltage-Max:

    3.3 V

  • Output Voltage-Min:

    0.45 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    BGA

  • Package Equivalence Code:

    BGA130,10X13,39

  • Package Shape:

    RECTANGULAR

  • Package Style:

    GRID ARRAY

  • Seated Height-Max:

    5.9 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK

  • Switching Frequency-Max:

    2000 kHz

  • Technology:

    HYBRID

  • Terminal Form:

    BALL

  • Terminal Pitch:

    1 mm

  • Terminal Position:

    BOTTOM

  • Width:

    10 mm

RRM12120-B40 Frequently Asked Questions (FAQs)

  • Renesas provides a recommended PCB layout guide in their application note (AN1844) for the RRM12120-B40, which includes thermal vias, copper pours, and component placement guidelines to ensure optimal thermal performance.
  • The input capacitor selection depends on the input voltage, output voltage, and output current. Renesas recommends using a low-ESR capacitor with a value between 10uF to 22uF, and a voltage rating of at least 1.5 times the input voltage. The application note (AN1844) provides more detailed guidance on capacitor selection.
  • The enable pin (EN) has a maximum allowed voltage of 6V, which is not explicitly stated in the datasheet. Exceeding this voltage may damage the device.
  • To ensure a stable operating condition during startup, Renesas recommends a soft-start circuit or a ramp-up circuit to control the input voltage rise time. This helps prevent inrush currents and ensures the device operates within its specified limits.
  • While the datasheet specifies an operating temperature range of -40°C to 105°C, Renesas recommends operating the device within a range of -20°C to 85°C for optimal performance and reliability.

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RRM12120-B40 Overview

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