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TL494CN - onsemi

Description: Switching Controllers 40kHz 200mA PWM

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Symbol
TL494CN - onsemi - PCB symbol
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PCB Footprints
TL494CN - onsemi PCB footprint - Dual-In-Line Packages - Dual-In-Line Packages - PDIP−16
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3D Models
TL494CN - onsemi - 3D model - Dual-In-Line Packages - PDIP−16
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TL494CN Details

  • Manufacturer Part Number:

    TL494CN

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    DIP

  • Package Description:

    DIP-16

  • Pin Count:

    16

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    onsemi

  • 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-PDIP-T16

  • JESD-609 Code:

    e0

  • Length:

    19.175 mm

  • Number of Functions:

    1

  • Number of Terminals:

    16

  • Operating Temperature-Max:

    70 °C

  • Output Current-Max:

    0.5 A

  • Output Voltage-Max:

    5.25 V

  • Output Voltage-Min:

    4.75 V

  • Output Voltage-Nom:

    5 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    DIP

  • Package Equivalence Code:

    DIP16,.3

  • Package Shape:

    RECTANGULAR

  • Package Style:

    IN-LINE

  • Peak Reflow Temperature (Cel):

    235

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    4.44 mm

  • Surface Mount:

    NO

  • Switcher Configuration:

    PUSH-PULL

  • Switching Frequency-Max:

    200 kHz

  • Technology:

    BIPOLAR

  • Temperature Grade:

    COMMERCIAL

  • Terminal Finish:

    Tin/Lead (Sn/Pb)

  • Terminal Form:

    THROUGH-HOLE

  • Terminal Pitch:

    2.54 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    7.62 mm

TL494CN Frequently Asked Questions (FAQs)

  • The maximum switching frequency of the TL494CN is typically around 100 kHz, but it can be operated up to 200 kHz with proper design and layout considerations.
  • To ensure stable operation, ensure that the input voltage is within the recommended range, the output voltage is properly regulated, and the feedback loop is properly compensated. Additionally, follow proper PCB layout guidelines to minimize noise and EMI.
  • The dead-time control (DTC) pin is used 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, the TL494CN can be used in a synchronous rectifier design. However, additional circuitry is required to control the synchronous rectifier switches, and proper design considerations must be made to ensure proper operation.
  • Use voltage monitoring circuits and overvoltage protection (OVP) and undervoltage protection (UVP) circuits to protect the TL494CN from voltage transients and faults. Additionally, consider using a voltage regulator or a voltage supervisor to ensure the TL494CN operates within its recommended voltage range.

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TL494CN Overview

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To find more CAD model downloads similar to this part, try a partial part number search, like TL494, or try a keyword search, such as Switching Regulator or Controllers

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For a full list of alternate parts for TL494CN, check out Findchips.com