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UCC2809D-1 - Texas Instruments

Description: UCC2809 primary-side PWM SMPS controller

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UCC2809D-1 - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - D (R-PDSO-G8)
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UCC2809D-1 - Texas Instruments  - 3D model - Small Outline Packages - D (R-PDSO-G8)
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UCC2809D-1 Details

  • Manufacturer Part Number:

    UCC2809D-1

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Not Recommended

  • 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/VOLTAGE-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    19 V

  • Input Voltage-Min:

    10 V

  • Input Voltage-Nom:

    12 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:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    0.8 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):

    19 V

  • Supply Voltage-Min (Vsup):

    10 V

  • Supply Voltage-Nom (Vsup):

    12 V

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK-BOOST

  • Switching Frequency-Max:

    1000 kHz

  • Technology:

    BCDMOS

  • Temperature Grade:

    INDUSTRIAL

  • 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

UCC2809D-1 Frequently Asked Questions (FAQs)

  • The maximum operating temperature range for the UCC2809D-1 is -40°C to 125°C.
  • To ensure proper biasing, connect the VCC pin to a stable 12V to 15V power supply, and decouple the VCC pin to GND with a 10uF capacitor. Additionally, connect the EN pin to a logic-level signal or a voltage divider to set the desired output voltage.
  • For optimal performance, use a multi-layer PCB with a solid ground plane, and keep the input and output capacitors close to the IC. Use short, wide traces for the high-current paths, and avoid routing sensitive signals near the switching node.
  • The output voltage and current ratings can be calculated using the formulas provided in the datasheet. The output voltage is determined by the resistive divider network connected to the FB pin, and the output current is limited by the internal current limit and the external components.
  • The UCC2809D-1 is a high-performance, high-power offline switcher with a unique combination of features, including a wide input voltage range, high output current capability, and a low standby power consumption. It is differentiated from other similar ICs by its high level of integration, high efficiency, and small package size.

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UCC2809D-1 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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Part Image UCC2809N-1 Unitrode Corporation

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For a full list of alternate parts for UCC2809D-1, check out Findchips.com