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TL494CNSRG4 - Texas Instruments

Description: Voltage Mode PWM Controller 40V 200mA 16-Pin SOP T/R

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TL494CNSRG4 - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - NS (R-PDSO-G16)
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TL494CNSRG4 - Texas Instruments  - 3D model - Small Outline Packages - NS (R-PDSO-G16)
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TL494CNSRG4 Details

  • Manufacturer Part Number:

    TL494CNSRG4

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SOIC

  • Pin Count:

    16

  • Country Of Origin:

    Malaysia

  • 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-PDSO-G16

  • JESD-609 Code:

    e4

  • Length:

    10.2 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:

    SOP

  • Package Equivalence Code:

    SOP16,.3

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    2 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:

    YES

  • Switcher Configuration:

    PUSH-PULL

  • Switching Frequency-Max:

    300 kHz

  • Technology:

    BIPOLAR

  • Temperature Grade:

    COMMERCIAL

  • Terminal Finish:

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

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    5.3 mm

TL494CNSRG4 Frequently Asked Questions (FAQs)

  • The maximum switching frequency of the TL494CNSRG4 is 100 kHz, but it can be operated up to 200 kHz with some limitations on the output voltage and current.
  • To ensure stable operation, make sure to follow the recommended layout and grounding guidelines, use a stable voltage supply, and add decoupling capacitors as recommended in the datasheet. Additionally, ensure that the output voltage and current are within the specified limits.
  • Yes, the TL494CNSRG4 can be used as a buck converter, but it requires an external transistor and diode to implement the buck topology. The TL494CNSRG4 provides the necessary control signals, but the power stage components need to be added externally.
  • The output voltage of the TL494CNSRG4 can be calculated using the formula: Vout = (R2 / R1) * (Vref - Vbe), where R1 and R2 are the feedback resistors, Vref is the reference voltage (typically 2.5V), and Vbe is the base-emitter voltage of the output transistor (typically 0.7V).
  • The dead-time control pins (DT/CMP) on the TL494CNSRG4 allow the user to adjust the dead time between the turn-on and turn-off of the output transistors, which helps to prevent shoot-through currents and reduce EMI.

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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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