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TL2842DR - Texas Instruments

Description: Economy single ended 500KHz current mode PWM controller with 16V/10V UVLO 100% duty cycle, -40-85C

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TL2842DR - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - D (R-PDSO-G14)
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TL2842DR - Texas Instruments  - 3D model - Small Outline Packages - D (R-PDSO-G14)
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TL2842DR Details

  • Manufacturer Part Number:

    TL2842DR

  • 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 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:

    2

  • 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

TL2842DR Frequently Asked Questions (FAQs)

  • Texas Instruments recommends a compact layout with the TL2842DR placed close to the power source, and the input and output capacitors placed as close as possible to the device. A star-ground configuration is also recommended to minimize noise and EMI.
  • To ensure stability, use a minimum output capacitance of 10uF, and ensure that the output capacitor's ESR is less than 1 ohm. Additionally, use a compensation capacitor (Cc) between 10pF to 100pF to prevent oscillations. The datasheet provides a detailed compensation network design guide.
  • The TL2842DR can handle a maximum input voltage of 18V, but it's recommended to operate within the specified input voltage range of 7V to 15V for optimal performance and reliability.
  • The output voltage (Vout) of the TL2842DR can be calculated using the formula: Vout = (1 + R1/R2) * Vref, where R1 and R2 are the feedback resistors, and Vref is the internal reference voltage (2.5V).
  • The EN (enable) pin is used to enable or disable the regulator. When the EN pin is pulled high (above 2.5V), the regulator is enabled, and when it's pulled low (below 0.8V), the regulator is disabled. This pin can be used to implement power sequencing or to reduce power consumption in standby mode.

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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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