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TL3844BDR-8 - Texas Instruments

Description: High-Performance Current-Mode PWM Controller

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TL3844BDR-8 - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - D0008A-23
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TL3844BDR-8 - Texas Instruments  - 3D model - Small Outline Packages - D0008A-23
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TL3844BDR-8 Details

  • Manufacturer Part Number:

    TL3844BDR-8

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SOIC

  • Pin Count:

    8

  • Country Of Origin:

    Mexico

  • 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-G8

  • JESD-609 Code:

    e4

  • Length:

    4.9 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    8

  • Operating Temperature-Max:

    70 °C

  • Output Current-Max:

    1 A

  • Output Voltage-Max:

    5.1 V

  • Output Voltage-Min:

    4.9 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:

    SINGLE

  • Switching Frequency-Max:

    500 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:

    3.9 mm

TL3844BDR-8 Frequently Asked Questions (FAQs)

  • Texas Instruments provides a recommended PCB layout in the datasheet, but it's also important to follow general guidelines for switching regulator layout, such as keeping the input and output capacitors close to the IC, using a solid ground plane, and minimizing loop areas.
  • To ensure stability, make sure to follow the recommended component values and layout, and add a compensation network (R3, C3, and R4 in the datasheet) to the feedback loop. Also, ensure that the input and output capacitors meet the recommended specifications.
  • Although the datasheet specifies a maximum input voltage of 40V, it's recommended to derate the input voltage to 30V or less to ensure reliable operation and prevent damage to the IC.
  • The TL3844BDR-8 is rated for operation up to 125°C, but it's essential to consider the thermal design and ensure that the IC is properly heat-sinked to prevent overheating. Also, be aware that the IC's performance may degrade at high temperatures.
  • Use an oscilloscope to monitor the input and output voltages, and check for proper component values and layout. Verify that the feedback loop is properly connected and that the compensation network is correct. Also, check for any signs of overheating or damage to the IC.

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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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