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UCC3800DTR - Texas Instruments

Description: IC REG CTRLR MULT TOPOLOGY 8SOIC

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UCC3800DTR - Texas Instruments - PCB symbol
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UCC3800DTR - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - D0008A
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UCC3800DTR - Texas Instruments - 3D model - Small Outline Packages - D0008A
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UCC3800DTR Details

  • Manufacturer Part Number:

    UCC3800DTR

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SOIC

  • Pin Count:

    8

  • Country Of Origin:

    Mexico

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Analog IC - Other Type:

    SWITCHING CONTROLLER

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    12 V

  • Input Voltage-Min:

    7.5 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):

    25 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

UCC3800DTR Frequently Asked Questions (FAQs)

  • The UCC3800DTR is a high-frequency device, and proper layout and placement are crucial for its operation. TI recommends a 4-layer PCB with a solid ground plane, and the device should be placed close to the input capacitors. The output inductor and diode should be placed close to the device as well. A good layout will help reduce EMI and improve efficiency.
  • The input capacitor should have a low ESR and be rated for the input voltage. A ceramic capacitor with an X7R or X5R dielectric is recommended. The output capacitor should also have a low ESR and be rated for the output voltage. A ceramic or electrolytic capacitor can be used, depending on the specific application requirements.
  • The maximum ambient temperature for the UCC3800DTR is 85°C. However, the device can operate up to 125°C junction temperature. It's essential to ensure proper thermal design and heat sinking to keep the device within its operating temperature range.
  • The output voltage of the UCC3800DTR can be adjusted by changing the feedback resistors (R1 and R2) or the voltage reference (VREF) pin. The output voltage can be calculated using the formula: VOUT = VREF x (1 + R2/R1).
  • The minimum input voltage for the UCC3800DTR is 6.5V. However, the device can operate down to 5.5V with reduced performance. It's essential to ensure the input voltage is within the recommended range for optimal performance and efficiency.

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UCC3800DTR 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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