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TL2843BDR-8 - Texas Instruments

Description: High-Performance Current-Mode PWM Controller

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TL2843BDR-8 Details

  • Manufacturer Part Number:

    TL2843BDR-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:

    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:

    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

TL2843BDR-8 Frequently Asked Questions (FAQs)

  • It's essential to follow a good layout and placement strategy to minimize noise and ensure proper operation. TI recommends placing the TL2843BDR-8 close to the power source, using a solid ground plane, and keeping the input and output traces short and separate.
  • The choice of input and output capacitors depends on the specific application and operating conditions. TI recommends using low-ESR capacitors with a minimum capacitance of 10uF for the input and 22uF for the output. The capacitor selection should also consider the voltage rating, ripple current, and temperature range.
  • The TL2843BDR-8 is rated for operation up to 85°C ambient temperature. However, it's essential to consider the thermal derating and ensure proper heat sinking to maintain a safe operating temperature.
  • Yes, the TL2843BDR-8 is suitable for high-reliability and automotive applications. It meets the requirements for AEC-Q100 Grade 1 and is designed to operate in harsh environments. However, it's essential to follow the recommended design and testing guidelines to ensure compliance with the specific application requirements.
  • To troubleshoot common issues, start by verifying the PCB layout and component selection. Check for proper decoupling, input and output filtering, and ensure the device is operated within the recommended specifications. Use oscilloscopes and other diagnostic tools to identify the root cause of the issue. Consult the datasheet and application notes for guidance on troubleshooting and debugging.

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TL2843BDR-8 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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