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MCP1811AT-033/TT - Microchip

Description: LDO Voltage Regulators Ultra Low Iq LDO

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MCP1811AT-033/TT - Microchip - PCB symbol
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PCB Footprints
MCP1811AT-033/TT - Microchip PCB footprint - SOT23 (3-Pin) - SOT23 (3-Pin) - MCP1811AT-033/TT
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MCP1811AT-033/TT - Microchip - 3D model - SOT23 (3-Pin) - MCP1811AT-033/TT
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MCP1811AT-033/TT Details

  • Manufacturer Part Number:

    MCP1811AT-033/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

  • Date Of Intro:

    2018-09-27

  • 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:

    3.9 V

  • JESD-30 Code:

    R-PDSO-G3

  • JESD-609 Code:

    e3

  • Length:

    2.9 mm

  • Load Regulation-Max:

    0.025%

  • 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:

    0.15 A

  • Output Voltage1-Max:

    3.432 V

  • Output Voltage1-Min:

    3.168 V

  • Output Voltage1-Nom:

    3.3 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

  • Peak Reflow Temperature (Cel):

    260

  • 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

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

    30

  • Voltage Tolerance-Max:

    4%

  • Width:

    1.3 mm

MCP1811AT-033/TT Frequently Asked Questions (FAQs)

  • A good PCB layout for the MCP1811AT-033/TT should include a solid ground plane, a small thermal pad, and a minimal number of thermal vias to reduce thermal resistance. A 2-layer or 4-layer board with a thermal relief pattern is recommended.
  • To ensure stable output voltage, use a high-quality input capacitor with low ESR, and consider adding a feed-forward capacitor to improve transient response. Additionally, ensure the input voltage is within the recommended range and the output capacitor is properly sized.
  • The maximum ambient temperature for reliable operation of the MCP1811AT-033/TT is 85°C. However, it's recommended to derate the output current and consider additional thermal management for ambient temperatures above 70°C.
  • While the MCP1811AT-033/TT is a high-quality device, it's not specifically designed for high-reliability or automotive applications. For such applications, consider using devices with specific automotive or high-reliability qualifications, such as AEC-Q100 or MIL-PRF-38535.
  • Use a voltage supervisor or a power-on reset circuit to monitor the input voltage and ensure the device is only enabled when the input voltage is within the recommended range. Additionally, consider adding overvoltage protection (OVP) and undervoltage protection (UVP) circuits to prevent damage from voltage transients.

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MCP1811AT-033/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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Part Image MCP1811ATT-033/TT Microchip Technology Inc

Fixed Positive LDO Regulator, 3.3V, 0.6V Dropout, CMOS, PDSO3