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LD39150DT18-R - STMicroelectronics

Description: Linear Voltage Regulator IC Positive Fixed 1 Output 1.5A 6V 1.8V -40°C ~ 125°C (TJ) DPAK

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LD39150DT18-R - STMicroelectronics PCB footprint - Other - Other - DPAK_2026-8
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LD39150DT18-R Details

  • Manufacturer Part Number:

    LD39150DT18-R

  • Brand Name:

    STMicroelectronics

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    TO-252

  • Package Description:

    ROHS COMPLIANT, DPAK-3

  • Pin Count:

    3

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    STMicroelectronics

  • YTEOL:

    0

  • Adjustability:

    FIXED

  • Dropout Voltage1-Max:

    0.4 V

  • Dropout Voltage1-Nom:

    0.2 V

  • Input Voltage Absolute-Max:

    6.5 V

  • Input Voltage-Max:

    6 V

  • Input Voltage-Min:

    2.5 V

  • JESD-30 Code:

    R-PSSO-G2

  • JESD-609 Code:

    e3

  • Length:

    6.5 mm

  • Line Regulation-Max:

    0.0036%

  • Load Regulation-Max:

    0.0107%

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Outputs:

    1

  • Number of Terminals:

    2

  • Operating Temperature TJ-Max:

    125 °C

  • Operating Temperature TJ-Min:

    -40 °C

  • Output Current1-Max:

    1.5 A

  • Output Voltage1-Max:

    1.854 V

  • Output Voltage1-Min:

    1.746 V

  • Output Voltage1-Nom:

    1.8 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    TO-252

  • Package Equivalence Code:

    SMSIP3H,.38,90TB

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Packing Method:

    TR

  • Peak Reflow Temperature (Cel):

    NOT SPECIFIED

  • Qualification Status:

    Not Qualified

  • Regulator Type:

    FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR

  • Seated Height-Max:

    2.63 mm

  • Surface Mount:

    YES

  • Technology:

    BICMOS

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    2.28 mm

  • Terminal Position:

    SINGLE

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

    NOT SPECIFIED

  • Voltage Tolerance-Max:

    3%

  • Width:

    6.1 mm

LD39150DT18-R Frequently Asked Questions (FAQs)

  • STMicroelectronics provides a recommended PCB layout in the application note AN4979, which includes guidelines for thermal vias, copper pours, and component placement to minimize thermal resistance and ensure reliable operation.
  • The input capacitor selection depends on the input voltage, output voltage, and output current. A general guideline is to choose a capacitor with a voltage rating of at least 1.5 times the input voltage, and a capacitance value between 1uF to 10uF. Consult the application note AN4979 for more detailed guidance.
  • The maximum allowed voltage drop across the input capacitor is typically around 1V to 2V, depending on the specific application and input voltage. Exceeding this voltage drop may lead to reduced performance, efficiency, or even damage to the device.
  • The LD39150DT18-R is rated for operation up to 150°C, but it's essential to consider the derating curves and thermal management guidelines provided in the datasheet to ensure reliable operation in high-temperature environments.
  • The LD39150DT18-R has a built-in overcurrent protection feature, which can be enabled by connecting the OCP pin to a resistor and capacitor network. The application note AN4979 provides a detailed example of how to implement overcurrent protection.

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LD39150DT18-R Overview

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About STMicroelectronics

STMicroelectronics (ST) is a global semiconductor company that designs, manufactures, and markets a broad range of integrated circuits (ICs), discrete devices, and other electronic components. STMicroelectronics offers a diverse portfolio of semiconductor products covering a wide range of applications and industries. Their product categories include microcontrollers, analog and mixed-signal ICs, MEMS (Micro-Electro-Mechanical Systems) sensors, power management ICs, RF (Radio Frequency) transceivers, aut

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