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TC1121CPA - Microchip

Description: Microchip TC1121CPA, Charge Pump Inverting, -5.5 → -2.4 V 8-Pin, PDIP

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TC1121CPA - Microchip - PCB symbol
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PCB Footprints
TC1121CPA - Microchip PCB footprint - Dual-In-Line Packages - Dual-In-Line Packages - 8-pin plastic dip
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3D Models
TC1121CPA - Microchip - 3D model - Dual-In-Line Packages - 8-pin plastic dip
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TC1121CPA Details

  • Manufacturer Part Number:

    TC1121CPA

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    DIP

  • Package Description:

    PLASTIC, DIP-8

  • Pin Count:

    8

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • 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-PDIP-T8

  • JESD-609 Code:

    e3

  • Length:

    9.5 mm

  • 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:

    DIP

  • Package Equivalence Code:

    DIP8,.3

  • Package Shape:

    RECTANGULAR

  • Package Style:

    IN-LINE

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    5.08 mm

  • Surface Mount:

    NO

  • Switcher Configuration:

    DOUBLER INVERTER

  • Switching Frequency-Max:

    200 kHz

  • Technology:

    CMOS

  • Temperature Grade:

    COMMERCIAL

  • Terminal Finish:

    MATTE TIN

  • Terminal Form:

    THROUGH-HOLE

  • Terminal Pitch:

    2.54 mm

  • Terminal Position:

    DUAL

  • Width:

    7.62 mm

TC1121CPA Frequently Asked Questions (FAQs)

  • Microchip recommends a compact layout with the TC1121CPA placed close to the power source, using short traces and minimizing loop areas to reduce noise. A solid ground plane and decoupling capacitors are also essential for optimal performance.
  • To ensure stability, make sure to follow the recommended compensation network values and layout guidelines. Additionally, ensure that the output capacitor is properly sized and placed, and that the input voltage is within the recommended range.
  • The TC1121CPA can deliver up to 1.5A of output current, but this is dependent on the input voltage, output voltage, and thermal conditions. Be sure to check the datasheet for specific current limits and thermal derating factors.
  • The TC1121CPA is rated for operation up to 125°C, but thermal derating applies above 85°C. Be sure to check the datasheet for specific thermal derating factors and ensure proper heat sinking and thermal management.
  • Start by checking the input voltage, output voltage, and current draw. Verify that the compensation network is properly configured and that the layout meets the recommended guidelines. Use an oscilloscope to check for oscillations or noise on the output. Consult the datasheet and application notes for troubleshooting guides and FAQs.

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TC1121CPA Overview

Use the download button to access the TC1121CPA schematic symbol, PCB footprint, and 3D model.
To find more CAD model downloads similar to this part, try a partial part number search, like TC112, or try a keyword search, such as Switching Regulator or Controllers

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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