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TL2842BDR - Texas Instruments

Description: High-Performance Current-Mode PWM Controller

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TL2842BDR Details

  • Manufacturer Part Number:

    TL2842BDR

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SOIC

  • Pin Count:

    14

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Analog IC - Other Type:

    SWITCHING CONTROLLER

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    30 V

  • Input Voltage-Min:

    12 V

  • Input Voltage-Nom:

    15 V

  • JESD-30 Code:

    R-PDSO-G14

  • JESD-609 Code:

    e4

  • Length:

    8.65 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    14

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    1 A

  • Output Voltage-Max:

    5.05 V

  • Output Voltage-Min:

    4.95 V

  • Output Voltage-Nom:

    5 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Equivalence Code:

    SOP14,.25

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.75 mm

  • Supply Current-Max (Isup):

    30 mA

  • Supply Voltage-Max (Vsup):

    30 V

  • Supply Voltage-Nom (Vsup):

    15 V

  • Surface Mount:

    YES

  • Switcher Configuration:

    SINGLE

  • Switching Frequency-Max:

    500 kHz

  • Technology:

    BIPOLAR

  • Temperature Grade:

    INDUSTRIAL

  • 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:

    3.9 mm

TL2842BDR Frequently Asked Questions (FAQs)

  • Texas Instruments recommends a compact layout with the TL2842BDR placed close to the power source and load, with short traces and minimal inductance to reduce noise and EMI. A 4-layer PCB with a solid ground plane is recommended.
  • To ensure stability, use a compensation capacitor (Cc) between pins 5 and 4, and a feedback resistor (Rf) between pins 5 and 6. The values of Cc and Rf depend on the output voltage and load. Consult the application notes and TI's WEBENCH tool for guidance.
  • The TL2842BDR can handle input voltages up to 18V, but it's recommended to operate within the specified range of 7V to 15V for optimal performance and reliability.
  • The TL2842BDR is rated for operation up to 125°C, but its performance and reliability may degrade at high temperatures. Ensure proper thermal design and heat sinking to maintain a safe operating temperature.
  • Use an external current-sensing resistor (Rs) and a voltage supervisor (e.g., TLV703) to detect overcurrent and short-circuit conditions. The TLV703 can be used to generate a reset signal to shut down the TL2842BDR in case of a fault.

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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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