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MAX1951AESA+ - Analog Devices

Description: 1MHz, 2A, 2.6V to 5.5V Input, PWM DC-DC Step-Down Regulator with Enable

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PCB Footprints
MAX1951AESA+ - Analog Devices PCB footprint - Other - Other - SOIC127P600X175-8N
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MAX1951AESA+ - Analog Devices  - 3D model - Other - SOIC127P600X175-8N
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MAX1951AESA+ Details

  • Manufacturer Part Number:

    MAX1951AESA+

  • Brand Name:

    Analog Devices Inc

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    8-SOIC_N-150_MIL

  • Package Description:

    ROHS COMPLIANT, SOIC-8

  • Pin Count:

    8

  • Manufacturer Package Code:

    8-SOIC_N-150_MIL

  • 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:

    2009-08-20

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    10

  • Additional Feature:

    ALSO OPERATES IN ADJUSTABLE MODE FROM 0.8V TO 5.5V

  • Analog IC - Other Type:

    SWITCHING REGULATOR

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    5.5 V

  • Input Voltage-Min:

    2.6 V

  • Input Voltage-Nom:

    3.3 V

  • JESD-30 Code:

    R-PDSO-G8

  • JESD-609 Code:

    e3

  • Length:

    4.9 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    8

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    4.5 A

  • Output Voltage-Max:

    5.5 V

  • Output Voltage-Min:

    0.8 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Equivalence Code:

    SOP8,.25

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.75 mm

  • Supply Current-Max (Isup):

    10 mA

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK

  • Switching Frequency-Max:

    1100 kHz

  • Technology:

    BICMOS

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    Matte Tin (Sn) - annealed

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    3.9 mm

MAX1951AESA+ Frequently Asked Questions (FAQs)

  • The recommended layout and placement for the MAX1951AESA+ involves keeping the input and output traces as short as possible, using a solid ground plane, and placing the device close to the power source. Additionally, it's recommended to use a 4-layer PCB with a dedicated power plane and a dedicated ground plane to minimize noise and EMI.
  • To optimize the performance of the MAX1951AESA+ in a high-temperature environment, it's recommended to use a heat sink, ensure good airflow, and reduce the power dissipation of the device. Additionally, the device can be derated to reduce the power dissipation and junction temperature.
  • The maximum allowed voltage on the EN pin is 6V. Exceeding this voltage can damage the device. It's recommended to use a voltage limiter or a resistor divider network to ensure the voltage on the EN pin does not exceed 6V.
  • Yes, the MAX1951AESA+ can be used in a switching power supply application. However, it's recommended to use a suitable output capacitor to filter the output voltage and reduce the ripple. Additionally, the device can be used in a synchronous rectification configuration to improve efficiency.
  • To troubleshoot issues with the MAX1951AESA+, it's recommended to check the input voltage, output voltage, and enable pin voltage using an oscilloscope or a multimeter. Additionally, check the PCB layout and ensure that it meets the recommended layout and placement guidelines. If the issue persists, consult the datasheet and application notes for further guidance.

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MAX1951AESA+ 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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