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TL2844BD-8 - Texas Instruments

Description: High-Performance Current-Mode PWM Controller

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TL2844BD-8 - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - D0008A
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TL2844BD-8 Details

  • Manufacturer Part Number:

    TL2844BD-8

  • Brand Name:

    Texas Instruments

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    SOIC

  • Pin Count:

    8

  • Country Of Origin:

    Mexico

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    0

  • 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-G8

  • JESD-609 Code:

    e4

  • Length:

    4.9 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    8

  • 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:

    SOP8,.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:

    BUCK-BOOST

  • 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

TL2844BD-8 Frequently Asked Questions (FAQs)

  • The recommended input capacitor value is 10uF to 22uF, with a voltage rating of at least 10V. This ensures stable operation and reduces noise.
  • The output capacitor value depends on the output voltage, output current, and desired ripple voltage. A general guideline is to use a capacitor with a value of 10uF to 47uF, with a voltage rating of at least 2x the output voltage.
  • The TL2844BD-8 can handle input voltages up to 18V, but it's recommended to operate within the 7V to 15V range for optimal performance and reliability.
  • The TL2844BD-8 is rated for operation up to 125°C, but it's recommended to derate the output current and voltage as temperature increases to ensure reliability and prevent thermal shutdown.
  • To prevent oscillations, ensure that the input and output capacitors are properly sized, and the layout is designed to minimize parasitic inductance and capacitance. Additionally, adding a small resistor (e.g., 10Ω) in series with the output capacitor can help dampen oscillations.

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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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