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L5989DTR - STMicroelectronics

Description: Buck Switching Regulator IC Positive Adjustable 0.6V 1 Output 4A 16-PowerTSSOP (0.173", 4.40mm Width) n

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L5989DTR - STMicroelectronics - PCB symbol
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L5989DTR - STMicroelectronics PCB footprint - Small Outline Packages - Small Outline Packages - HTSSOP16 _2025-1.1
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L5989DTR - STMicroelectronics - 3D model - Small Outline Packages - HTSSOP16 _2025-1.1
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L5989DTR Details

  • Manufacturer Part Number:

    L5989DTR

  • Brand Name:

    STMicroelectronics

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    TSSOP

  • Package Description:

    HTSSOP-16

  • Pin Count:

    16

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    STMicroelectronics

  • YTEOL:

    0

  • Additional Feature:

    ALSO OPERATES IN ADJUSTABLE MODE FROM 0.6 TO 18V

  • Analog IC - Other Type:

    SWITCHING REGULATOR

  • Control Mode:

    VOLTAGE-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    18 V

  • Input Voltage-Min:

    2.9 V

  • Input Voltage-Nom:

    12 V

  • JESD-30 Code:

    R-PDSO-G16

  • JESD-609 Code:

    e4

  • Length:

    5 mm

  • Moisture Sensitivity Level:

    3

  • Number of Functions:

    1

  • Number of Terminals:

    16

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    5.06 A

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HTSSOP

  • Package Equivalence Code:

    TSSOP16,.25

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.2 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK

  • Switching Frequency-Max:

    1000 kHz

  • Technology:

    BCDMOS

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    NICKEL PALLADIUM GOLD

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.65 mm

  • Terminal Position:

    DUAL

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

    40

  • Width:

    4.4 mm

L5989DTR Frequently Asked Questions (FAQs)

  • STMicroelectronics provides a recommended PCB layout in the application note AN4553, 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 maximum input voltage, and a capacitance value between 10uF to 100uF. Consult the application note AN4553 for more detailed guidance.
  • While the datasheet specifies an operating temperature range of -40°C to 150°C, the maximum ambient temperature for reliable operation depends on the specific application and cooling conditions. As a general rule, it's recommended to keep the ambient temperature below 125°C to ensure reliable operation and minimize thermal stress.
  • Yes, the L5989DTR is qualified for automotive and high-reliability applications. It meets the AEC-Q100 standard for automotive-grade components and is suitable for use in harsh environments. However, it's essential to consult the specific requirements of your application and ensure that the device meets all necessary standards and regulations.
  • STMicroelectronics provides a troubleshooting guide in the application note AN4553, which covers common issues and their possible causes. Additionally, the datasheet provides information on fault detection and protection features, such as overvoltage protection, undervoltage lockout, and thermal shutdown.

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L5989DTR 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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L5989DTR Alternates

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Part Image L5989D STMicroelectronics

Switching Regulator, Voltage-mode, 5.06A, 1000kHz Switching Freq-Max, BCDMOS, PDSO16