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TL494CDBR - Texas Instruments

Description: Buck, Boost, Flyback, Forward Converter, Full-Bridge, Half-Bridge, Push-Pull Regulator Positive Output Step-Up, Step-Down, Step-Up/Step-Down - DC-DC Controller IC 16-SSOP

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TL494CDBR - Texas Instruments - PCB symbol
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TL494CDBR - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - D (R-PDSO-G16)
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TL494CDBR - Texas Instruments - 3D model - Small Outline Packages - D (R-PDSO-G16)
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TL494CDBR Details

  • Manufacturer Part Number:

    TL494CDBR

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    SOIC

  • Package Description:

    GREEN, PLASTIC, SSOP-16

  • Pin Count:

    16

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    0

  • Analog IC - Other Type:

    SWITCHING CONTROLLER

  • Control Mode:

    VOLTAGE-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    40 V

  • Input Voltage-Min:

    7 V

  • Input Voltage-Nom:

    15 V

  • JESD-30 Code:

    R-PDSO-G16

  • Length:

    6.2 mm

  • Number of Functions:

    1

  • Number of Terminals:

    16

  • Operating Temperature-Max:

    70 °C

  • Output Current-Max:

    0.25 A

  • Output Voltage-Nom:

    5 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SSOP

  • Package Equivalence Code:

    SSOP16,.25

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, SHRINK PITCH

  • Peak Reflow Temperature (Cel):

    NOT SPECIFIED

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    2 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    PUSH-PULL

  • Switching Frequency-Max:

    300 kHz

  • Technology:

    BIPOLAR

  • Temperature Grade:

    COMMERCIAL

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.65 mm

  • Terminal Position:

    DUAL

  • Time@Peak Reflow Temperature-Max (s):

    NOT SPECIFIED

  • Width:

    5.3 mm

TL494CDBR Frequently Asked Questions (FAQs)

  • The maximum switching frequency of TL494CDBR is 100 kHz, but it can be operated up to 200 kHz with some limitations on the output power and voltage.
  • The output voltage of TL494CDBR can be calculated using the formula: Vout = (R2 / R1) * (Vref - 2.5) + 2.5, where R1 and R2 are the resistors connected to the feedback pin, and Vref is the reference voltage (typically 5V).
  • The dead-time control pin (DT) on TL494CDBR allows the user to adjust the dead-time between the turn-off of one switch and the turn-on of the other switch in a push-pull converter. This helps to prevent shoot-through currents and reduce EMI.
  • Yes, TL494CDBR can be used for isolated DC-DC converters, such as flyback or forward converters, by using a transformer and an optocoupler or other isolation components to provide electrical isolation between the input and output stages.
  • To ensure stability and prevent oscillations in TL494CDBR-based converters, it is essential to follow proper PCB layout guidelines, use adequate decoupling capacitors, and add compensation networks (e.g., RC filters) to the feedback loop as needed.

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TL494CDBR 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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TL494CDBR Alternates

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Part Image TL494CDBRG4 Texas Instruments

Switching Controller, Voltage-mode, 0.25A, 300kHz Switching Freq-Max, BIPolar, PDSO16