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UA78M08CDCY - Texas Instruments

Description: 500-mA, 25-V linear voltage regulator

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Symbol
UA78M08CDCY - Texas Instruments - PCB symbol
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PCB Footprints
UA78M08CDCY - Texas Instruments PCB footprint - SOT223 (3-Pin) - SOT223 (3-Pin) - DCY (R-PDSO-G4
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3D Models
UA78M08CDCY - Texas Instruments - 3D model - SOT223 (3-Pin) - DCY (R-PDSO-G4
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UA78M08CDCY Details

  • Manufacturer Part Number:

    UA78M08CDCY

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SOT-223

  • Pin Count:

    4

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Adjustability:

    FIXED

  • Dropout Voltage1-Nom:

    2 V

  • Input Voltage Absolute-Max:

    35 V

  • Input Voltage-Max:

    30 V

  • Input Voltage-Min:

    10.5 V

  • JESD-30 Code:

    R-PDSO-G4

  • JESD-609 Code:

    e3

  • Length:

    6.5 mm

  • Line Regulation-Max:

    0.1%

  • Load Regulation-Max:

    0.16%

  • Moisture Sensitivity Level:

    2

  • Number of Functions:

    1

  • Number of Outputs:

    1

  • Number of Terminals:

    4

  • Operating Temperature-Max:

    125 °C

  • Output Current1-Max:

    0.5 A

  • Output Voltage1-Max:

    8.4 V

  • Output Voltage1-Min:

    7.6 V

  • Output Voltage1-Nom:

    8 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Equivalence Code:

    SOT-223

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Packing Method:

    TUBE

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Regulator Type:

    FIXED POSITIVE SINGLE OUTPUT STANDARD REGULATOR

  • Seated Height-Max:

    1.8 mm

  • Surface Mount:

    YES

  • Technology:

    BIPOLAR

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    2.3 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    3.5 mm

UA78M08CDCY Frequently Asked Questions (FAQs)

  • The recommended input capacitor value is 1uF to 10uF, depending on the input voltage and output current requirements. A larger capacitor value can help to reduce input ripple and improve output stability.
  • To ensure stability, make sure to follow the recommended PCB layout guidelines, use a sufficient input capacitor, and add a 10nF to 100nF capacitor between the output and ground pins. Additionally, avoid using long wires or traces between the input and output pins.
  • The maximum output current of the UA78M08CDCY is 1A, but it can be limited by the input voltage, output voltage, and thermal considerations. Be sure to check the datasheet for the recommended operating conditions and thermal derating.
  • The UA78M08CDCY is rated for operation up to 125°C, but its performance and reliability may be affected at high temperatures. Be sure to check the datasheet for thermal derating and consider using a heat sink or thermal management techniques if operating in high-temperature environments.
  • To protect the UA78M08CDCY from input voltage surges or spikes, consider adding a transient voltage suppressor (TVS) diode or a voltage clamp circuit at the input. Additionally, use a sufficient input capacitor to filter out high-frequency noise and transients.

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UA78M08CDCY Overview

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About Texas Instruments

Texas Instruments (TI) designs and manufactures semiconductors and integrated circuits for a wide range of applications. The company's product portfolio includes analog chips, which are essential for managing power and signal functions in electronic devices, and embedded processors, which serve as the brains in various systems, enabling functionality in everything from industrial equipment to consumer electronics. TI's innovations in semiconductor technology have made it a leader in the industry.

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