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TL1451CNSR - Texas Instruments

Description: Dual Pulse-Width-Modulation Control Circuit

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TL1451CNSR Details

  • Manufacturer Part Number:

    TL1451CNSR

  • 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:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Analog IC - Other Type:

    DUAL SWITCHING CONTROLLER

  • Control Mode:

    VOLTAGE-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    50 V

  • Input Voltage-Min:

    3.6 V

  • Input Voltage-Nom:

    6 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 Outputs:

    2

  • Number of Terminals:

    16

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -20 °C

  • Output Current-Max:

    0.021 A

  • Output Voltage-Min:

    1 V

  • Output Voltage-Nom:

    2.5 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):

    2.4 mA

  • Supply Voltage-Nom (Vsup):

    6 V

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK-BOOST

  • Switching Frequency-Max:

    500 kHz

  • Technology:

    BIPOLAR

  • Temperature Grade:

    OTHER

  • 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

TL1451CNSR Frequently Asked Questions (FAQs)

  • It is recommended to place the TL1451CNSR close to the power source, use a solid ground plane, and keep the input and output traces short and separate to minimize noise. Additionally, decoupling capacitors should be placed close to the device to filter out high-frequency noise.
  • The TL1451CNSR requires a bias voltage of 2.7V to 5.5V. Ensure that the bias voltage is within this range and that the input voltage is at least 1.5V higher than the output voltage. Additionally, the bias pin should be decoupled with a 10nF to 100nF capacitor to filter out noise.
  • The TL1451CNSR can deliver up to 1A of output current. However, the output current should be derated based on the ambient temperature and the device's thermal characteristics to ensure reliable operation.
  • The TL1451CNSR has built-in overvoltage protection (OVP) and overcurrent protection (OCP). However, it is recommended to add external protection components such as TVS diodes and fuses to protect the device from voltage transients and fault conditions.
  • The TL1451CNSR is rated for operation from -40°C to 125°C. However, the device's performance and reliability may degrade at extreme temperatures. It is recommended to operate the device within the recommended temperature range to ensure optimal performance and reliability.

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TL1451CNSR 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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