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L5989D - STMicroelectronics

Description: 4 A continuous (more than 5 A pulsed) step-down switching regulator with synchronous rectification , 600 mV to 18V , 1MHz , 40°C to 150°C

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L5989D - STMicroelectronics PCB footprint - Small Outline Packages - Small Outline Packages - HTSSOP16
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L5989D - STMicroelectronics  - 3D model - Small Outline Packages - HTSSOP16
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L5989D Details

  • Manufacturer Part Number:

    L5989D

  • 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

L5989D Frequently Asked Questions (FAQs)

  • STMicroelectronics provides a recommended PCB layout in the application note AN4553, which includes guidelines for component placement, thermal management, and routing to minimize noise and electromagnetic interference.
  • The inductor value depends on the input voltage, output voltage, and switching frequency. A good starting point is to use the inductor selection guide provided in the datasheet, and then fine-tune the value based on the specific requirements of your application.
  • The L5989D can operate up to a maximum ambient temperature of 150°C, but the junction temperature (TJ) should not exceed 175°C. It's essential to ensure proper thermal management to prevent overheating.
  • Yes, the L5989D is AEC-Q100 qualified, which means it meets the stringent requirements for automotive applications. Additionally, it's suitable for high-reliability applications due to its robust design and manufacturing process.
  • STMicroelectronics provides a troubleshooting guide in the application note AN4553, which covers common issues and their solutions. Additionally, it's essential to follow proper design and layout guidelines to prevent issues from occurring in the first place.

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L5989D 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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Part Image L5989DTR STMicroelectronics

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