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MCP1811AT-012/TT - Microchip

Description: LDO Voltage Regulators 1.2V 3-Lead SOT-23 150mA Ultra Low Iq LDO with Auto-Discharge

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Symbol
MCP1811AT-012/TT - Microchip - PCB symbol
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PCB Footprints
MCP1811AT-012/TT - Microchip PCB footprint - SOT23 (3-Pin) - SOT23 (3-Pin) - (TT)(SOT-23)
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3D Models
MCP1811AT-012/TT - Microchip - 3D model - SOT23 (3-Pin) - (TT)(SOT-23)
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MCP1811AT-012/TT Details

  • Manufacturer Part Number:

    MCP1811AT-012/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:

    1.8 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:

    1.248 V

  • Output Voltage1-Min:

    1.152 V

  • Output Voltage1-Nom:

    1.2 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-012/TT Frequently Asked Questions (FAQs)

  • The maximum input voltage that the MCP1811AT-012/TT can handle is 18V, but it's recommended to operate within the specified input voltage range of 6.5V to 15V for optimal performance and reliability.
  • To ensure the output voltage is stable and accurate, make sure to follow the recommended layout and component placement guidelines, use a suitable output capacitor, and ensure the input voltage is within the specified range. Additionally, consider using a soft-start circuit to reduce inrush current and prevent output voltage overshoot.
  • The minimum input capacitance required for stable operation is 1uF, but it's recommended to use a 4.7uF or 10uF capacitor to ensure stable operation and reduce input voltage ripple.
  • The MCP1811AT-012/TT is rated for operation up to 125°C, but it's recommended to derate the output current and input voltage to ensure reliable operation at high temperatures. Consult the datasheet for thermal derating guidelines.
  • The output voltage ripple can be calculated using the formula: ΔVout = (Iout * ESL) / (Cout * fsw), where ESL is the equivalent series inductance of the output capacitor, Cout is the output capacitance, and fsw is the switching frequency. Consult the datasheet for more information on output voltage ripple calculation.

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MCP1811AT-012/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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