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UCC3804DTR - Texas Instruments

Description: Low-Power BiCMOS Current-Mode PWM

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UCC3804DTR - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - 8-Pin SOIC-ren5
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UCC3804DTR Details

  • Manufacturer Part Number:

    UCC3804DTR

  • 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:

    9 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

UCC3804DTR Frequently Asked Questions (FAQs)

  • A good PCB layout for the UCC3804DTR involves keeping the input and output stages separate, using a star-ground configuration, and placing the input filter components close to the IC. Additionally, using a solid ground plane and minimizing trace lengths can help reduce EMI.
  • The choice of input filter components depends on the specific application and the desired level of noise attenuation. A good starting point is to use a 1-10uF capacitor and a 1-10ohm resistor in series. The values can be adjusted based on the specific noise frequency and amplitude.
  • The UCC3804DTR can deliver up to 1A of output current, but this is dependent on the input voltage, output voltage, and the specific application. It's recommended to check the datasheet and perform thermal calculations to ensure the device can handle the required output current.
  • The UCC3804DTR can be synchronized with an external clock signal by connecting the clock signal to the SYNC pin. The SYNC pin is sensitive to the rising edge of the clock signal, and the device will synchronize its switching frequency to the external clock frequency.
  • The EN (Enable) pin on the UCC3804DTR is used to enable or disable the device. When the EN pin is high, the device is enabled and operates normally. When the EN pin is low, the device is disabled and enters a low-power standby mode.

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UCC3804DTR 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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