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TL2845BDR - Texas Instruments

Description: High-Performance Current-Mode PWM Controller

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TL2845BDR - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - D (-R-PDSO-G14)
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TL2845BDR - Texas Instruments  - 3D model - Small Outline Packages - D (-R-PDSO-G14)
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TL2845BDR Details

  • Manufacturer Part Number:

    TL2845BDR

  • 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

  • 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-G14

  • JESD-609 Code:

    e4

  • Length:

    8.65 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    14

  • 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:

    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:

    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 Frequently Asked Questions (FAQs)

  • It's recommended to follow a star-grounding layout, with the TL2845BDR placed close to the power source and input capacitors. Ensure that the input and output traces are separated and not routed near each other to minimize noise and EMI.
  • The compensation network should be optimized based on the specific application and output capacitor type. A good starting point is to use the recommended values in the datasheet, and then adjust the compensation components (R1, R2, C1, and C2) to achieve a stable output voltage and minimal overshoot.
  • The TL2845BDR can handle input voltages up to 18V, but it's recommended to operate within the specified input voltage range (7V to 15V) for optimal performance and reliability.
  • Ensure good thermal conduction by using a heat sink or a thermally conductive PCB material. Monitor the junction temperature (TJ) and adjust the operating conditions or add thermal management if TJ exceeds 125°C.
  • A low-ESR ceramic or tantalum capacitor with a value between 10uF to 22uF is recommended. The output capacitor should be selected based on the specific application requirements and output voltage ripple tolerance.

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TL2845BDR 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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