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MIC4685WR-TR - Microchip

Description: Buck Switching Regulator IC Positive Adjustable 1 Output 3A SPAK-7 (7 Leads + Tab) , Surface Mount , 1.235V to 30 V , 200kHz , -40°C ~ 125°C (TJ)

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MIC4685WR-TR - Microchip - PCB symbol
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PCB Footprints
MIC4685WR-TR - Microchip PCB footprint - Other - Other - 7-Pin SPAK_2026
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MIC4685WR-TR Details

  • Manufacturer Part Number:

    MIC4685WR-TR

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    ROHS COMPLIANT, SPAK-7

  • Pin Count:

    7

  • Manufacturer Package Code:

    SPAK-7

  • Country Of Origin:

    Mainland China

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Microchip Technology Inc

  • YTEOL:

    9

  • Analog IC - Other Type:

    SWITCHING REGULATOR

  • Control Mode:

    VOLTAGE-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    30 V

  • Input Voltage-Min:

    4 V

  • Input Voltage-Nom:

    12 V

  • JESD-30 Code:

    R-PSSO-G7

  • JESD-609 Code:

    e3

  • Length:

    9.395 mm

  • Number of Functions:

    1

  • Number of Terminals:

    7

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    3 A

  • Output Voltage-Min:

    1.235 V

  • Output Voltage-Nom:

    5 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Equivalence Code:

    GWSIP7H,.4,50

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    2.03 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK

  • Switching Frequency-Max:

    225 kHz

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    MATTE TIN

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    SINGLE

  • Width:

    8 mm

MIC4685WR-TR Frequently Asked Questions (FAQs)

  • A good PCB layout for optimal thermal performance involves placing the MIC4685WR-TR near a thermal pad or a heat sink, and ensuring good airflow around the device. The PCB should also have a solid ground plane to help dissipate heat.
  • To ensure reliable start-up, make sure the input voltage rises monotonically and does not droop during start-up. Also, ensure that the input capacitor is properly sized to handle the inrush current.
  • The maximum allowable ripple voltage on the input is 10% of the nominal input voltage. Exceeding this limit may affect the regulator's performance and stability.
  • Yes, the MIC4685WR-TR is rated for operation up to 125°C. However, the device's performance and reliability may degrade at high temperatures. Ensure that the device is properly heat-sinked and that the thermal design is adequate for the application.
  • To troubleshoot oscillations or instability, check the PCB layout for proper decoupling and grounding. Ensure that the input and output capacitors are properly sized and placed. Also, verify that the feedback loop is properly compensated and that the output voltage is within the specified range.

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MIC4685WR-TR Overview

Use the download button to access the MIC4685WR-TR schematic symbol and PCB footprint.
To find more CAD model downloads similar to this part, try a partial part number search, like MIC46, or try a keyword search, such as Switching Regulator or Controllers

About Microchip

Microchip Technology Inc. is a leading manufacturer of microcontrollers and semiconductor devices for a wide range of applications in the aerospace, automotive, consumer electronics, industrial, and medical industries. Alongside a comprehensive product portfolio, Microchip Technology Inc. also provides easy-to-use development tools that enable engineers to create optimal designs quickly with minimal iterations to reduce risk while lowering total system costs to market. Headquartered in Chandler, Arizona, th

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MIC4685WR-TR Alternates

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For a full list of alternate parts for MIC4685WR-TR, check out Findchips.com