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MCP1812AT-018/TT - Microchip

Description: LDO Voltage Regulators 1.8V 3-Lead SOT-23 300mA Ultra Low Iq LDO with Auto-Discharge

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MCP1812AT-018/TT - Microchip - PCB symbol
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PCB Footprints
MCP1812AT-018/TT - Microchip PCB footprint - SOT23 (3-Pin) - SOT23 (3-Pin) - (TT)(SOT-23)
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3D Models
MCP1812AT-018/TT - Microchip - 3D model - SOT23 (3-Pin) - (TT)(SOT-23)
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MCP1812AT-018/TT Details

  • Manufacturer Part Number:

    MCP1812AT-018/TT

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Package Description:

    SOT-23, 3 PIN

  • Pin Count:

    3

  • Manufacturer Package Code:

    SOT-23-3

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Microchip Technology Inc

  • YTEOL:

    0

  • Adjustability:

    FIXED

  • Dropout Voltage1-Max:

    0.6 V

  • Dropout Voltage1-Nom:

    0.4 V

  • Input Voltage Absolute-Max:

    6 V

  • Input Voltage-Max:

    5.5 V

  • Input Voltage-Min:

    2.4 V

  • JESD-30 Code:

    R-PDSO-G3

  • Length:

    2.9 mm

  • Load Regulation-Max:

    0.05%

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Outputs:

    1

  • Number of Terminals:

    3

  • Operating Temperature TJ-Max:

    85 °C

  • Operating Temperature TJ-Min:

    -40 °C

  • Output Current1-Max:

    0.3 A

  • Output Voltage1-Max:

    1.872 V

  • Output Voltage1-Min:

    1.728 V

  • Output Voltage1-Nom:

    1.8 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    TSOP

  • Package Equivalence Code:

    SOT-23

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, THIN PROFILE

  • Packing Method:

    TR

  • Regulator Type:

    FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR

  • Seated Height-Max:

    1.12 mm

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.95 mm

  • Terminal Position:

    DUAL

  • Voltage Tolerance-Max:

    4%

  • Width:

    1.3 mm

MCP1812AT-018/TT Frequently Asked Questions (FAQs)

  • A good PCB layout for the MCP1812AT-018/TT should include a solid ground plane, wide power traces, and a thermal relief pattern under the device to facilitate heat dissipation. A 4-layer PCB with a dedicated power plane and a solid ground plane is recommended.
  • To ensure a stable output voltage, use a high-quality input capacitor with low ESR, and consider adding a feed-forward capacitor to improve the regulator's transient response. Additionally, ensure that the input voltage is within the recommended range and that the device is operated within its specified temperature range.
  • The maximum output current of the MCP1812AT-018/TT is 1.8A. However, the device can deliver higher currents for short durations. It's essential to consider the device's thermal limitations and ensure that the output current is within the safe operating area to prevent overheating.
  • To protect the regulator from input voltage surges and spikes, consider adding a transient voltage suppressor (TVS) diode or a voltage clamp at the input. Additionally, use a high-quality input capacitor with a low ESR to filter out noise and ripple.
  • A 10uF to 22uF ceramic or tantalum capacitor with a low ESR (less than 1 ohm) is recommended for the input capacitor. The capacitor should be placed as close to the regulator as possible to minimize noise and ripple.

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MCP1812AT-018/TT 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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