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TL3844BDR - Texas Instruments

Description: High-Performance Current-Mode PWM Controller

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TL3844BDR - Texas Instruments - PCB symbol
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PCB Footprints
TL3844BDR - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - SOIC – D (14 pin)
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TL3844BDR - Texas Instruments - 3D model - Small Outline Packages - SOIC – D (14 pin)
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TL3844BDR Details

  • Manufacturer Part Number:

    TL3844BDR

  • 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, Mexico

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Analog IC - Other Type:

    SWITCHING REGULATOR

  • 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:

    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:

    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:

    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 Frequently Asked Questions (FAQs)

  • A good PCB layout for TL3844BDR involves keeping the input and output capacitors close to the IC, using a solid ground plane, and minimizing the length of the feedback loop. TI provides a recommended layout in their application notes and evaluation modules.
  • To ensure stability, make sure to follow the recommended component values and PCB layout. Also, ensure that the output capacitor has a low ESR, and the feedback loop is properly compensated. TI provides a stability analysis tool to help with this.
  • The TL3844BDR is rated for operation from -40°C to 125°C. However, the maximum ambient temperature range for reliable operation depends on the specific application and thermal design. It's recommended to follow TI's thermal design guidelines and perform thermal simulations to ensure reliable operation.
  • Yes, the TL3844BDR is qualified for automotive and high-reliability applications. It meets the requirements of AEC-Q100 and is manufactured using automotive-grade processes. However, it's essential to follow TI's guidelines for high-reliability design and testing.
  • TI provides a troubleshooting guide in their application notes, which covers common issues and their solutions. Additionally, using an oscilloscope to monitor the output voltage and feedback loop can help identify the root cause of the issue.

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TL3844BDR 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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