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TC1121COA - Microchip

Description: Voltage Regulators - Switching Regulators w/ Shutdown

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TC1121COA - Microchip - PCB symbol
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PCB Footprints
TC1121COA - Microchip PCB footprint - Small Outline Packages - Small Outline Packages - SOIC (2002)
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3D Models
TC1121COA - Microchip - 3D model - Small Outline Packages - SOIC (2002)
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TC1121COA Details

  • Manufacturer Part Number:

    TC1121COA

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    SOIC

  • Package Description:

    SOIC-8

  • Pin Count:

    8

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Microchip Technology Inc

  • YTEOL:

    0

  • Analog IC - Other Type:

    SWITCHED CAPACITOR CONVERTER

  • Input Voltage-Max:

    5.5 V

  • Input Voltage-Min:

    2.4 V

  • Input Voltage-Nom:

    5 V

  • JESD-30 Code:

    R-PDSO-G8

  • JESD-609 Code:

    e3

  • Length:

    4.9 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    8

  • Operating Temperature-Max:

    70 °C

  • Output Current-Max:

    0.06 A

  • Output Voltage-Max:

    -5.5 V

  • Output Voltage-Min:

    -2.4 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Equivalence Code:

    SOP8,.25

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.75 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    DOUBLER INVERTER

  • Switching Frequency-Max:

    200 kHz

  • Technology:

    CMOS

  • Temperature Grade:

    COMMERCIAL

  • Terminal Finish:

    MATTE TIN

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

  • Width:

    3.9 mm

TC1121COA Frequently Asked Questions (FAQs)

  • The recommended layout and placement for the TC1121COA involves placing the device close to the power source, using a solid ground plane, and minimizing the length of the input and output traces. It's also recommended to use a 10uF capacitor between the VIN and GND pins to filter out noise.
  • To ensure stability, make sure to follow the recommended layout and placement guidelines, use a sufficient output capacitor (at least 10uF), and add a 1kΩ resistor in series with the output capacitor to prevent oscillation.
  • The TC1121COA can handle input voltages up to 15V, but it's recommended to keep the input voltage below 12V for optimal performance and to prevent overheating.
  • The TC1121COA is rated for operation up to 125°C, but it's recommended to derate the output current and voltage at high temperatures to prevent overheating and ensure reliability.
  • The output voltage of the TC1121COA can be calculated using the formula: VOUT = (R1 / R2) * (VIN - VREF), where R1 and R2 are the resistors in the feedback network, VIN is the input voltage, and VREF is the internal reference voltage (1.25V).

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TC1121COA 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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