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UCC3813D-3 - Texas Instruments

Description: Low Power Economy BiCMOS Current Mode PWM

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UCC3813D-3 Details

  • Manufacturer Part Number:

    UCC3813D-3

  • Brand Name:

    Texas Instruments

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    SOIC

  • Pin Count:

    8

  • Country Of Origin:

    Mexico

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    0

  • Analog IC - Other Type:

    SWITCHING CONTROLLER

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    11 V

  • Input Voltage-Min:

    4 V

  • Input Voltage-Nom:

    10 V

  • JESD-30 Code:

    R-PDSO-G8

  • JESD-609 Code:

    e4

  • Length:

    4.9 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    8

  • Operating Temperature-Max:

    70 °C

  • Output Current-Max:

    1 A

  • Output Voltage-Max:

    4.06 V

  • Output Voltage-Min:

    3.94 V

  • Output Voltage-Nom:

    4 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Equivalence Code:

    SOP8,.25

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.75 mm

  • Supply Current-Max (Isup):

    30 mA

  • Supply Voltage-Max (Vsup):

    12 V

  • Supply Voltage-Nom (Vsup):

    10 V

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK-BOOST

  • Switching Frequency-Max:

    1000 kHz

  • Technology:

    BICMOS

  • Temperature Grade:

    COMMERCIAL

  • Terminal Finish:

    Nickel/Palladium/Gold (Ni/Pd/Au)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    3.9 mm

UCC3813D-3 Frequently Asked Questions (FAQs)

  • The recommended layout and placement for the UCC3813D-3 involves keeping the input and output stages separate, using a star-ground configuration, and placing the device close to the power source. TI provides a layout guide in the application note SLUA121.
  • Choosing the right transformer involves considering factors such as the turns ratio, magnetizing inductance, and leakage inductance. TI provides a transformer selection guide in the application note SLUA122.
  • The maximum power rating of the UCC3813D-3 is dependent on the specific application and operating conditions. However, as a general guideline, the device can handle up to 100W of output power. It's recommended to consult the datasheet and application notes for more detailed information.
  • The UCC3813D-3 has a built-in overcurrent protection feature that can be enabled by connecting a resistor between the OC pin and the GND pin. The value of the resistor determines the overcurrent threshold. TI provides more detailed information on implementing overcurrent protection in the application note SLUA123.
  • The recommended operating temperature range for the UCC3813D-3 is -40°C to 85°C. However, the device can operate up to 125°C with derating. It's recommended to consult the datasheet for more detailed information on temperature derating.

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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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