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LM51551QDSSTQ1 - Texas Instruments

Description: 2.2MHz wide VIN non-synchronous boost/SEPIC/flyback controller with Hiccup Mode OCP

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LM51551QDSSTQ1 - Texas Instruments PCB footprint - Small Outline No-lead - Small Outline No-lead - DSS0012c
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LM51551QDSSTQ1 - Texas Instruments  - 3D model - Small Outline No-lead - DSS0012c
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LM51551QDSSTQ1 Details

  • Manufacturer Part Number:

    LM51551QDSSTQ1

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Date Of Intro:

    2019-06-29

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Analog IC - Other Type:

    SWITCHING CONTROLLER

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    45 V

  • Input Voltage-Min:

    1.5 V

  • Input Voltage-Nom:

    12 V

  • JESD-30 Code:

    R-PDSO-N12

  • JESD-609 Code:

    e3

  • Length:

    3 mm

  • Moisture Sensitivity Level:

    2

  • Number of Functions:

    1

  • Number of Outputs:

    1

  • Number of Terminals:

    12

  • Operating Temperature-Max:

    150 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    15 A

  • Output Voltage-Max:

    300 V

  • Output Voltage-Min:

    1.5 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HVSON

  • Package Equivalence Code:

    SOLCC12,.08,20

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE

  • Peak Reflow Temperature (Cel):

    260

  • Screening Level:

    AEC-Q100

  • Seated Height-Max:

    0.8 mm

  • Supply Current-Max (Isup):

    0.54 mA

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK-BOOST

  • Switching Frequency-Max:

    2200 kHz

  • Technology:

    BICMOS

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    2 mm

LM51551QDSSTQ1 Frequently Asked Questions (FAQs)

  • The maximum operating temperature range for the LM51551QDSSTQ1 is -40°C to 125°C.
  • To ensure the stability of the output voltage, it is recommended to use a minimum output capacitance of 10uF and a maximum ESR of 1 ohm, and to follow the layout guidelines provided in the datasheet.
  • The maximum input voltage that the LM51551QDSSTQ1 can handle is 42V.
  • The output voltage of the LM51551QDSSTQ1 can be calculated using the formula: Vout = (R1/R2) * (1 + R3/R4) * Vref, where R1, R2, R3, and R4 are the resistors used in the feedback network, and Vref is the internal reference voltage.
  • The typical quiescent current of the LM51551QDSSTQ1 is 2.5mA.

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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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