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UCC3817AN - Texas Instruments

Description: BiCMOS Power Factor Preregualtor

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UCC3817AN - Texas Instruments PCB footprint - Dual-In-Line Packages - Dual-In-Line Packages - N (R-PDIP-T16)
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UCC3817AN - Texas Instruments  - 3D model - Dual-In-Line Packages - N (R-PDIP-T16)
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UCC3817AN Details

  • Manufacturer Part Number:

    UCC3817AN

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    DIP

  • Pin Count:

    16

  • Country Of Origin:

    Mexico

  • 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-PDIP-T16

  • JESD-609 Code:

    e4

  • Length:

    19.305 mm

  • Number of Functions:

    1

  • Number of Terminals:

    16

  • Operating Temperature-Max:

    70 °C

  • Output Current-Max:

    1.2 A

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    DIP

  • Package Equivalence Code:

    DIP16,.3

  • Package Shape:

    RECTANGULAR

  • Package Style:

    IN-LINE

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    5.08 mm

  • Supply Current-Max (Isup):

    4 mA

  • Supply Voltage-Max (Vsup):

    18 V

  • Supply Voltage-Nom (Vsup):

    12 V

  • Surface Mount:

    NO

  • Switcher Configuration:

    BOOST

  • Switching Frequency-Max:

    250 kHz

  • Technology:

    BICMOS

  • Temperature Grade:

    COMMERCIAL

  • Terminal Finish:

    Nickel/Palladium/Gold (Ni/Pd/Au)

  • Terminal Form:

    THROUGH-HOLE

  • Terminal Pitch:

    2.54 mm

  • Terminal Position:

    DUAL

  • Width:

    7.62 mm

UCC3817AN Frequently Asked Questions (FAQs)

  • Texas Instruments recommends a compact layout with short traces, and placing the UCC3817AN close to the power stage. Additionally, a solid ground plane and a separate analog ground plane can help reduce noise and EMI.
  • The recommended value for the VCC bypass capacitor is 1-10uF, with a voltage rating of at least 10V. The capacitor should be placed as close as possible to the VCC pin and ground pin to minimize inductance.
  • The maximum allowed voltage on the VREF pin is 5.5V. Exceeding this voltage can damage the device.
  • While the UCC3817AN can operate at frequencies above 100kHz, it is not recommended as it may lead to increased power losses and reduced efficiency. The device is optimized for operation at frequencies up to 100kHz.
  • To ensure proper biasing during startup, the VCC pin should be ramped up slowly (typically 1-10ms) to allow the internal bias circuitry to stabilize. A soft-start circuit can be used to achieve this.

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UCC3817AN 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 UCC3817N Rochester Electronics LLC

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Part Image UCC3817N Unitrode Corporation

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Part Image UCC2817N Unitrode Corporation

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Part Image UCC3817ANG4 Texas Instruments

Power Factor Controller, Current-mode, 1.2A, 120kHz Switching Freq-Max, BICMOS, PDIP16

For a full list of alternate parts for UCC3817AN, check out Findchips.com