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UCC3808AD-2 - Texas Instruments

Description: Low Power Current Mode PUSH-PULL PWM

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UCC3808AD-2 - Texas Instruments - PCB symbol
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PCB Footprints
UCC3808AD-2 - Texas Instruments PCB footprint - Other - Other - SOIC127P600X175-8N
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3D Models
UCC3808AD-2 - Texas Instruments - 3D model - Other - SOIC127P600X175-8N
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UCC3808AD-2 Details

  • Manufacturer Part Number:

    UCC3808AD-2

  • 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:

    14 V

  • Input Voltage-Min:

    4.3 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

  • 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):

    20 mA

  • Supply Voltage-Max (Vsup):

    14 V

  • Supply Voltage-Min (Vsup):

    5 V

  • Supply Voltage-Nom (Vsup):

    10 V

  • Surface Mount:

    YES

  • Switcher Configuration:

    PUSH-PULL

  • 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

UCC3808AD-2 Frequently Asked Questions (FAQs)

  • The UCC3808AD-2 is a high-frequency device, and proper layout and placement are crucial to minimize EMI and ensure reliable operation. TI recommends a 4-layer PCB with a solid ground plane, and placing the device close to the input capacitors and output inductors. Additionally, keep the high-frequency nodes (e.g., the switch node) away from sensitive analog nodes.
  • The selection of input and output capacitors depends on the specific application requirements. For the input capacitors, choose low-ESR capacitors with a high ripple current rating. For the output capacitors, choose low-ESR capacitors with a high capacitance value to minimize output voltage ripple. TI recommends using X5R or X7R ceramic capacitors or film capacitors.
  • The UCC3808AD-2 is rated for operation from -40°C to 85°C. However, the device can be operated at higher temperatures with derating. Consult the datasheet for specific derating curves.
  • To troubleshoot issues with the UCC3808AD-2, start by checking the PCB layout and component placement. Ensure that the device is properly decoupled and that the input and output capacitors are properly selected. Use an oscilloscope to measure the switch node voltage and output voltage ripple. Consult the datasheet and application notes for troubleshooting guides and tips.
  • Yes, the UCC3808AD-2 can be used in a synchronous rectification topology. However, additional external components and control logic are required to implement synchronous rectification. Consult the datasheet and application notes for specific guidance.

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UCC3808AD-2 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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