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TL3845DR - Texas Instruments

Description: Texas Instruments TL3845DR, PWM Current Mode Controller, 0.2 A, 500 kHz 14-Pin SOIC

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TL3845DR - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - D (-R-PDSO-G14)
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TL3845DR - Texas Instruments  - 3D model - Small Outline Packages - D (-R-PDSO-G14)
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TL3845DR Details

  • Manufacturer Part Number:

    TL3845DR

  • 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:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    14

  • Operating Temperature-Max:

    70 °C

  • Output Current-Max:

    1 A

  • Output Voltage-Max:

    5.1 V

  • Output Voltage-Min:

    4.9 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:

    COMMERCIAL

  • 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

TL3845DR Frequently Asked Questions (FAQs)

  • The TL3845DR can handle a maximum input voltage of 40V. However, it's recommended to operate within the specified voltage range of 8V to 35V for optimal performance.
  • The TL3845DR is designed to operate within a temperature range of -40°C to 125°C. Ensure proper heat sinking and thermal management to prevent overheating, especially in high-power applications.
  • The minimum ESR required for the output capacitor is 0.05 ohms. Using a capacitor with a lower ESR can cause instability and affect the regulator's performance.
  • Yes, the TL3845DR is designed to handle high currents up to 5A. However, ensure proper heat sinking and thermal management to prevent overheating. Also, consider using a larger package or a heat sink to dissipate heat efficiently.
  • The output voltage of the TL3845DR can be adjusted by using a resistive divider network between the output and the adjust pin. The output voltage can be calculated using the formula: Vout = Vref * (1 + R1/R2), where Vref is the internal reference voltage (2.5V).

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TL3845DR 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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