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LM3447MTX/NOPB - Texas Instruments

Description: Phase Dimmable, Primary Side Power Regulated, PFC Flyback Controller for LED Lighting

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LM3447MTX/NOPB - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - PW
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LM3447MTX/NOPB Details

  • Manufacturer Part Number:

    LM3447MTX/NOPB

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Data Input Mode:

    SERIAL

  • Input Characteristics:

    STANDARD

  • Interface IC Type:

    LED DISPLAY DRIVER

  • JESD-30 Code:

    R-PDSO-G14

  • JESD-609 Code:

    e4

  • Length:

    5 mm

  • Moisture Sensitivity Level:

    1

  • Multiplexed Display Capability:

    NO

  • Number of Channels:

    1

  • Number of Functions:

    1

  • Number of Segments:

    2

  • Number of Terminals:

    14

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Characteristics:

    CONSTANT-CURRENT

  • Output Polarity:

    TRUE

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    TSSOP

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Seated Height-Max:

    1.1 mm

  • Supply Current-Max:

    3.3 mA

  • Supply Voltage-Max:

    17.5 V

  • Supply Voltage-Min:

    7.5 V

  • Supply Voltage-Nom:

    14 V

  • Supply Voltage1-Max:

    17.5 V

  • Supply Voltage1-Min:

    7.5 V

  • Supply Voltage1-Nom:

    14 V

  • Surface Mount:

    YES

  • Technology:

    BICMOS

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    Nickel/Palladium/Gold (Ni/Pd/Au)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.65 mm

  • Terminal Position:

    DUAL

  • Time@Peak Reflow Temperature-Max (s):

    30

  • Width:

    4.4 mm

LM3447MTX/NOPB Frequently Asked Questions (FAQs)

  • The maximum input voltage is 42V, but it's recommended to keep it below 40V for reliable operation.
  • Make sure to provide adequate heat sinking, keep the device away from heat sources, and ensure good airflow around the device. Also, monitor the junction temperature (TJ) and keep it below 150°C.
  • A minimum of 10uF ceramic capacitor is recommended between the VIN pin and GND pin to ensure stable operation.
  • Yes, the device is rated for operation up to 125°C, but the output current may need to be derated at higher temperatures. Consult the datasheet for derating curves.
  • The output voltage is set by the resistor divider network between the FB pin and GND pin. Use the formula: VOUT = 0.8V x (R1 + R2) / R2, where R1 and R2 are the resistors in the divider network.

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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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