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TL494CNE4 - Texas Instruments

Description: Voltage Mode PWM Controller 40V 200mA 300kHz 16-Pin PDIP Tube

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TL494CNE4 - Texas Instruments PCB footprint - Dual-In-Line Packages - Dual-In-Line Packages - N (R-PDIP-T16)
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TL494CNE4 - Texas Instruments  - 3D model - Dual-In-Line Packages - N (R-PDIP-T16)
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TL494CNE4 Details

  • Manufacturer Part Number:

    TL494CNE4

  • 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:

    Malaysia, Mexico

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • 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:

    e4

  • Length:

    19.305 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    16

  • Operating Temperature-Max:

    70 °C

  • Output Current-Max:

    0.25 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

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    5.08 mm

  • Supply Current-Max (Isup):

    15 mA

  • Supply Voltage-Max (Vsup):

    40 V

  • Supply Voltage-Min (Vsup):

    7 V

  • Supply Voltage-Nom (Vsup):

    15 V

  • Surface Mount:

    NO

  • Switcher Configuration:

    PUSH-PULL

  • Switching Frequency-Max:

    300 kHz

  • Technology:

    BIPOLAR

  • 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

TL494CNE4 Frequently Asked Questions (FAQs)

  • The maximum operating frequency of the TL494CNE4 is 100 kHz. However, it can be operated at higher frequencies with reduced performance and increased power consumption.
  • To ensure stability, it's essential to follow the recommended layout and component selection guidelines, use a suitable output filter, and add a compensation network to the feedback loop.
  • The dead-time control (DTC) pin is used to adjust the minimum 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 TL494CNE4 can be used in a synchronous rectifier configuration. However, it requires additional external circuitry to control the synchronous rectifier switch.
  • The TL494CNE4 has built-in overcurrent protection, but it's recommended to add external overcurrent and overvoltage protection circuits to ensure the IC's reliability and prevent damage.

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TL494CNE4 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 TL494CN Rochester Electronics LLC

Switching Controller, Voltage-mode, 0.5A, 200kHz Switching Freq-Max, PDIP16

Part Image UPC494C-A NEC Electronics Group

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Part Image TL494CN3 Texas Instruments

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Part Image TL494MJ Texas Instruments

Switching Controller, Voltage-mode, 0.25A, 300kHz Switching Freq-Max, BIPolar, CDIP16

Part Image UC494AJ Texas Instruments

Switching Controller, Voltage-mode, 0.2A, 300kHz Switching Freq-Max, BIPolar, CDIP16

For a full list of alternate parts for TL494CNE4, check out Findchips.com