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MIC2238-AAYML-TR - Microchip

Description: Conv DC-DC 2.5V to 5.5V Synchronous Step Down Dual-Out 0.8A 12-Pin DFN EP T/R

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PCB Footprints
MIC2238-AAYML-TR - Microchip PCB footprint - Small Outline No-lead - Small Outline No-lead - 12-Pin 3mmx3mm MLF (ML)
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MIC2238-AAYML-TR - Microchip  - 3D model - Small Outline No-lead - 12-Pin 3mmx3mm MLF (ML)
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MIC2238-AAYML-TR Details

  • Manufacturer Part Number:

    MIC2238-AAYML-TR

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Pin Count:

    12

  • Manufacturer Package Code:

    VDFN-12

  • Country Of Origin:

    Mainland China, Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Factory Lead Time:

    4 Weeks

  • Manufacturer:

    Microchip Technology Inc

  • YTEOL:

    8

  • Additional Feature:

    PULSE FREQUENCY MODULATION TECHNIQUE ALSO AVAILABLE

  • Analog IC - Other Type:

    DUAL SWITCHING CONTROLLER

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    5.5 V

  • Input Voltage-Min:

    2.5 V

  • Input Voltage-Nom:

    3.6 V

  • JESD-30 Code:

    S-PDSO-N12

  • JESD-609 Code:

    e4

  • Length:

    3 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    12

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    0.8 A

  • Output Voltage-Min:

    0.8 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HVSON

  • Package Equivalence Code:

    SOLCC12,.12,20

  • Package Shape:

    SQUARE

  • Package Style:

    SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    0.9 mm

  • Supply Current-Max (Isup):

    0.95 mA

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK

  • Switching Frequency-Max:

    2875 kHz

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    Nickel/Palladium/Gold (Ni/Pd/Au)

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    DUAL

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

    40

  • Width:

    3 mm

MIC2238-AAYML-TR Frequently Asked Questions (FAQs)

  • A good thermal design should include a solid ground plane, thermal vias under the IC, and a heat sink if possible. Refer to Microchip's application note AN1123 for more information.
  • Use a soft-start circuit to limit the inrush current during start-up, and ensure the input voltage rises slowly (e.g., using a ramp-up circuit). For shutdown, use a soft-shutdown circuit to gradually reduce the output voltage.
  • Use a pi-filter (L-C-L) or a common-mode choke to reduce EMI. Add a ferrite bead or a small inductor in series with the input to reduce high-frequency noise. Ensure good PCB layout and decoupling to minimize radiated emissions.
  • Select the optimal switching frequency based on the application. Use a high-quality output capacitor with low ESR. Optimize the inductor value and core material for minimal losses. Consider using a synchronous rectifier for higher efficiency.
  • Derate the output current by 1.5% per degree Celsius above 25°C. Ensure good airflow and a low thermal resistance (RθJA) to minimize junction temperature. Use a heat sink if necessary.

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MIC2238-AAYML-TR Overview

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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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