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UC2854ANG4 - Texas Instruments

Description: Texas Instruments UC2854ANG4, Power Factor Pre-Regulator Circuit, 115 kHz, 20 V 16-Pin, PDIP

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UC2854ANG4 - Texas Instruments PCB footprint - Dual-In-Line Packages - Dual-In-Line Packages - N (R-PDIP-T16
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UC2854ANG4 - Texas Instruments  - 3D model - Dual-In-Line Packages - N (R-PDIP-T16
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UC2854ANG4 Details

  • Manufacturer Part Number:

    UC2854ANG4

  • 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:

    8542.39.00.60

  • Date Of Intro:

    1992-12-01

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Analog IC - Other Type:

    POWER FACTOR CONTROLLER

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    20 V

  • Input Voltage-Min:

    10 V

  • Input Voltage-Nom:

    18 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:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    1.5 A

  • Output Voltage-Max:

    7.6 V

  • Output Voltage-Min:

    7.4 V

  • Output Voltage-Nom:

    7.5 V

  • 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):

    12 mA

  • Supply Voltage-Max (Vsup):

    20 V

  • Supply Voltage-Nom (Vsup):

    18 V

  • Surface Mount:

    NO

  • Switcher Configuration:

    BOOST

  • Switching Frequency-Max:

    200 kHz

  • Technology:

    BIPOLAR

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

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

  • Terminal Form:

    THROUGH-HOLE

  • Terminal Pitch:

    2.54 mm

  • Terminal Position:

    DUAL

  • Width:

    7.62 mm

UC2854ANG4 Frequently Asked Questions (FAQs)

  • TI recommends a compact layout with the IC, capacitors, and inductors placed close together to reduce loop areas. Place the IC near the input capacitors and ensure the drain pin is routed close to the inductor. Avoid routing sensitive signals near the switch node.
  • Ensure the feedback loop is properly compensated by using a pole-zero analysis tool or following TI's application notes. Also, ensure the output voltage is within the recommended range, and the feedback resistors are selected correctly.
  • The UC2854ANG4 can operate up to 85°C junction temperature. For every 10°C increase above 25°C, derate the output power by 1.5% to ensure reliability and prevent thermal runaway.
  • No, the UC2854ANG4 is not designed for synchronous rectification. It's intended for non-synchronous rectification applications. Using it in a synchronous rectification topology may lead to inadequate performance and potential damage to the IC.
  • TI recommends using a low-ESR ceramic capacitor (e.g., X5R or X7R type) with a minimum value of 10uF and a maximum value of 22uF, depending on the input voltage and output current requirements.

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UC2854ANG4 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 UC1854AJ/883B Unitrode Corporation

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