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TL2844D - Texas Instruments

Description: Switching Controllers Current-Mode PWM Controller

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TL2844D - Texas Instruments - PCB symbol
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PCB Footprints
TL2844D - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - D (R-PDSO-G14)
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TL2844D - Texas Instruments - 3D model - Small Outline Packages - D (R-PDSO-G14)
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TL2844D Details

  • Manufacturer Part Number:

    TL2844D

  • Brand Name:

    Texas Instruments

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    SOIC

  • Pin Count:

    14

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    0

  • 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:

    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:

    BUCK-BOOST

  • 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

TL2844D Frequently Asked Questions (FAQs)

  • Texas Instruments recommends a compact layout with the TL2844D placed close to the power source, and using a ground plane to reduce noise and EMI. Additionally, it's recommended to use a 10uF ceramic capacitor between the VIN pin and GND pin to filter out high-frequency noise.
  • To ensure stability, make sure to follow the recommended component values and layout guidelines in the datasheet. Additionally, use a compensation capacitor (CC) between the COMP pin and GND pin, and adjust its value based on the output voltage and load current. A general rule of thumb is to start with a 10pF capacitor and adjust as needed.
  • Although the datasheet specifies a maximum input voltage of 15V, it's recommended to limit the input voltage to 12V to ensure reliable operation and prevent damage to the device.
  • The TL2844D is rated for operation up to 125°C, but its performance may degrade at high temperatures. It's recommended to derate the output current and voltage according to the temperature derating curve in the datasheet to ensure reliable operation.
  • Start by checking the input voltage, output voltage, and current draw using an oscilloscope and multimeter. Verify that the component values and layout meet the recommended guidelines in the datasheet. Check for any signs of overheating, and ensure that the device is properly soldered and connected.

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TL2844D 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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TL2844D Alternates

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Part Image TL2844DR Texas Instruments

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For a full list of alternate parts for TL2844D, check out Findchips.com