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UCC2817DW - Texas Instruments

Description: BiCMOS Power Factor Preregulator

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UCC2817DW - Texas Instruments - PCB symbol
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PCB Footprints
UCC2817DW - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - DW0016A
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3D Models
UCC2817DW - Texas Instruments - 3D model - Small Outline Packages - DW0016A
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UCC2817DW Details

  • Manufacturer Part Number:

    UCC2817DW

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SOIC

  • Pin Count:

    16

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Analog IC - Other Type:

    POWER FACTOR CONTROLLER

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    18 V

  • Input Voltage-Min:

    10.3 V

  • Input Voltage-Nom:

    12 V

  • JESD-30 Code:

    R-PDSO-G16

  • JESD-609 Code:

    e4

  • Length:

    10.3 mm

  • Moisture Sensitivity Level:

    2

  • Number of Functions:

    1

  • Number of Terminals:

    16

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    1.2 A

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Equivalence Code:

    SOP16,.4

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    2.65 mm

  • Supply Current-Max (Isup):

    4 mA

  • Supply Voltage-Max (Vsup):

    18 V

  • Supply Voltage-Nom (Vsup):

    12 V

  • Surface Mount:

    YES

  • Switcher Configuration:

    BOOST

  • Switching Frequency-Max:

    250 kHz

  • Technology:

    BICMOS

  • 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:

    7.5 mm

UCC2817DW Frequently Asked Questions (FAQs)

  • The recommended layout and placement for the UCC2817DW involves keeping the high-frequency components (such as the transformer and switching FETs) close together and away from the low-frequency components (such as the input and output capacitors). Additionally, it's recommended to use a solid ground plane and to minimize the length of the traces carrying high-frequency signals.
  • Choosing the right transformer for the UCC2817DW involves considering factors such as the input voltage, output voltage, and power rating. The transformer should be designed to handle the maximum power rating of the UCC2817DW, and its turns ratio should be chosen to achieve the desired output voltage. Additionally, the transformer's leakage inductance and magnetizing inductance should be considered to ensure proper operation of the converter.
  • The maximum junction temperature of the UCC2817DW is 150°C. However, it's recommended to keep the junction temperature below 125°C to ensure reliable operation and to prevent thermal shutdown.
  • The UCC2817DW does not have built-in overvoltage protection (OVP). However, OVP can be implemented using an external voltage monitor IC or a simple voltage divider circuit that detects when the output voltage exceeds a certain threshold. When an overvoltage condition is detected, the voltage monitor IC or the voltage divider circuit can pull the EN pin of the UCC2817DW low to shut down the converter.
  • Yes, the UCC2817DW can be used in a synchronous rectification topology. However, it requires an external synchronous rectifier controller to drive the synchronous rectifier FETs. The UCC2817DW provides a SYNC pin that can be used to synchronize the switching of the synchronous rectifier FETs with the switching of the primary-side FETs.

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UCC2817DW 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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UCC2817DW Alternates

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Image Part Number Model
Part Image UCC2817DW Rochester Electronics LLC

1.2 A POWER FACTOR CONTROLLER, 120 kHz SWITCHING FREQ-MAX, PDSO16, GREEN, PLASTIC, SOIC-16
Part Image UCC2817DWG4 Rochester Electronics LLC

1.2 A POWER FACTOR CONTROLLER, 120 kHz SWITCHING FREQ-MAX, PDSO16, GREEN, PLASTIC, SOIC-16
Part Image UCC2817DWR Texas Instruments

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Part Image UCC2817DWTRG4 Texas Instruments

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Part Image UCC2817DWTR Texas Instruments

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For a full list of alternate parts for UCC2817DW, check out Findchips.com