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MAX891LEUA+ - Analog Devices

Description: MAX891LEUA+, Power Switch, 0.75A, 8-Pin, µMAX

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MAX891LEUA+ - Analog Devices - PCB symbol
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PCB Footprints
MAX891LEUA+ - Analog Devices PCB footprint - Small Outline Packages - Small Outline Packages - 8 µMAX-1
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3D Models
MAX891LEUA+ - Analog Devices - 3D model - Small Outline Packages - 8 µMAX-1
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MAX891LEUA+ Details

  • Manufacturer Part Number:

    MAX891LEUA+

  • Brand Name:

    Analog Devices Inc

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    8-MINI_SO-N/A

  • Package Description:

    1.11 MM HEIGHT, ULTRA SMALL, UMAX-8

  • Pin Count:

    8

  • Manufacturer Package Code:

    8-MINI_SO-N/A

  • Country Of Origin:

    Japan, Mainland China, Malaysia, Philippines, Singapore, South Korea, Taiwan, Thailand, USA

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Date Of Intro:

    1997-04-07

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    9

  • Analog IC - Other Type:

    SWITCHING REGULATOR

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    5.5 V

  • Input Voltage-Min:

    3 V

  • JESD-30 Code:

    S-PDSO-G8

  • JESD-609 Code:

    e3

  • Length:

    3 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    8

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    TSSOP

  • Package Shape:

    SQUARE

  • Package Style:

    SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.1 mm

  • Supply Current-Max (Isup):

    0.05 mA

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    Matte Tin (Sn) - annealed

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.65 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    3 mm

MAX891LEUA+ Frequently Asked Questions (FAQs)

  • The recommended layout and placement for the MAX891LEUA+ involves placing the device close to the power source, using a solid ground plane, and keeping the input and output traces short and wide to minimize noise and voltage drops. Additionally, it's recommended to place a 10uF capacitor between the VIN and GND pins to filter out high-frequency noise.
  • To ensure the MAX891LEUA+ is stable and doesn't oscillate, make sure to follow the recommended layout and placement guidelines, use a sufficient output capacitor (at least 10uF), and ensure the input voltage is within the recommended range. Additionally, adding a small ceramic capacitor (around 1nF) between the FB and GND pins can help to improve stability.
  • The maximum input voltage that the MAX891LEUA+ can handle is 28V. However, it's recommended to operate the device within the recommended input voltage range of 4.5V to 24V to ensure optimal performance and reliability.
  • The MAX891LEUA+ is rated for operation up to 125°C, but it's recommended to derate the output current and input voltage as the temperature increases to ensure reliable operation. Additionally, it's essential to ensure good thermal design and heat dissipation to prevent overheating.
  • The output voltage of the MAX891LEUA+ can be adjusted by connecting a resistive divider network between the output and the FB pin. The resistive divider network should be designed to provide a voltage feedback signal to the FB pin that corresponds to the desired output voltage.

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MAX891LEUA+ Overview

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About Analog Devices

Analog Devices Inc. is a global leader in the design and manufacturing of analog, mixed-signal, and digital signal processing integrated circuits and software solutions for the industrial, automotive, healthcare, communications industries. Analog Devices serves a diverse range of markets including industrial, automotive, healthcare, energy, aerospace, defense, and consumer electronics industries. Analog Devices’ product portfolio includes a wide range of ICs, modules, and subsystems.

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