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TL2845BDR-8 - Texas Instruments

Description: High-Performance Current-Mode PWM Controller

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TL2845BDR-8 Details

  • Manufacturer Part Number:

    TL2845BDR-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

TL2845BDR-8 Frequently Asked Questions (FAQs)

  • The recommended operating voltage range for the TL2845BDR-8 is 2.7V to 5.5V, although it can operate down to 2.5V with reduced performance.
  • To ensure stability, use a 10nF to 100nF capacitor between the VCC and GND pins, and a 1kΩ to 10kΩ resistor between the VCC and VIN pins. Additionally, ensure the PCB layout is well-designed and follows good practices for noise reduction.
  • The maximum output current of the TL2845BDR-8 is 150mA per channel, but it's recommended to limit the output current to 100mA per channel for reliable operation.
  • While the TL2845BDR-8 can be used as a voltage regulator, it's not recommended due to its limited output current and voltage regulation capabilities. Instead, use a dedicated voltage regulator IC for more reliable and efficient voltage regulation.
  • The output capacitor value depends on the desired output voltage ripple and stability. A general rule of thumb is to use a capacitor with a value between 1uF to 10uF, with a voltage rating of at least 1.5 times the output voltage.

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TL2845BDR-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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