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MCP121-450E/TO - Microchip

Description: Microchip MCP121-450E/TO, Voltage Supervisor 4.271 → 4.49 V, 3-Pin TO-92

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PCB Footprints
MCP121-450E/TO - Microchip PCB footprint - Other - Other - TO127P254X495-3
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3D Models
MCP121-450E/TO - Microchip  - 3D model - Other - TO127P254X495-3
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MCP121-450E/TO Details

  • Manufacturer Part Number:

    MCP121-450E/TO

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    TO-92

  • Pin Count:

    3

  • Manufacturer Package Code:

    TO-92-3

  • Country Of Origin:

    Philippines, Taiwan

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Factory Lead Time:

    7 Weeks

  • Manufacturer:

    Microchip Technology Inc

  • YTEOL:

    9

  • Additional Feature:

    BAT BUP SW:N;MNL RST:N;OV DET:N;PW FL IP:N;PW FL IO:N;PW FL OP:N;PRG RST DLY:N;UV DET:N;WD:N;WWD:N

  • Adjustable Threshold:

    NO

  • Analog IC - Other Type:

    VOLTAGE SUPERVISOR/RESET IC

  • JESD-30 Code:

    O-PBCY-T3

  • JESD-609 Code:

    e3

  • Number of Channels:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    3

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    TO-92

  • Package Equivalence Code:

    SIP3,.1,50

  • Package Shape:

    ROUND

  • Package Style:

    CYLINDRICAL

  • Qualification Status:

    Not Qualified

  • Screening Level:

    TS 16949

  • Supply Current-Max (Isup):

    0.02 mA

  • Supply Voltage-Max (Vsup):

    5.5 V

  • Supply Voltage-Min (Vsup):

    1 V

  • Supply Voltage-Nom (Vsup):

    3 V

  • Surface Mount:

    NO

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    THROUGH-HOLE

  • Terminal Position:

    BOTTOM

  • Threshold Voltage-Nom:

    +4.38V

MCP121-450E/TO Frequently Asked Questions (FAQs)

  • A thermal pad is recommended under the package to improve thermal performance. A minimum of 2 oz copper thickness and a thermal relief pattern are recommended for optimal heat dissipation.
  • Ensure that the input voltage rises monotonically and does not droop during start-up. A soft-start circuit can be used to limit the inrush current and ensure reliable start-up.
  • The maximum allowed voltage on the EN pin is 6V. Exceeding this voltage may damage the device.
  • Yes, the device is rated for operation up to 150°C. However, the maximum junction temperature (TJ) should not exceed 150°C to ensure reliable operation.
  • 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.

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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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