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MAX637ACSA+ - Analog Devices

Description: Maxim MAX637ACSA+, Inverting DC-DC Converter, 525mA Adjustable/Fixed, -15.75 → -14.25 V, 8-Pin SOIC

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MAX637ACSA+ - Analog Devices - PCB symbol
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MAX637ACSA+ - Analog Devices PCB footprint - Small Outline Packages - Small Outline Packages - 21-0041
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3D Models
MAX637ACSA+ - Analog Devices - 3D model - Small Outline Packages - 21-0041
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MAX637ACSA+ Details

  • Manufacturer Part Number:

    MAX637ACSA+

  • Brand Name:

    Analog Devices Inc

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    8-SOIC_N-150_MIL

  • Package Description:

    0.150 INCH, SO-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:

    1999-01-29

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    9

  • Analog IC - Other Type:

    SWITCHING REGULATOR

  • Control Mode:

    VOLTAGE-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    16.5 V

  • Input Voltage-Min:

    2.6 V

  • Input Voltage-Nom:

    5 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:

    70 °C

  • Output Current-Max:

    0.525 A

  • Output Voltage-Max:

    -15.75 V

  • Output Voltage-Min:

    -14.25 V

  • Output Voltage-Nom:

    -15 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):

    0.5 mA

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK-BOOST

  • Switching Frequency-Max:

    50 kHz

  • Technology:

    CMOS

  • Temperature Grade:

    COMMERCIAL

  • 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

MAX637ACSA+ Frequently Asked Questions (FAQs)

  • The MAX637ACSA+ is a sensitive device and requires careful layout and placement to ensure optimal performance. It is recommended to place the device close to the power source, use a solid ground plane, and keep the input and output traces short and separate to minimize noise and radiation. Additionally, it is recommended to use a bypass capacitor between the VCC and GND pins to filter out high-frequency noise.
  • The MAX637ACSA+ requires a proper power-up sequence to ensure reliable operation. It is recommended to power up the device with a slow ramp-up time (typically 1ms to 10ms) to allow the internal voltage regulators to stabilize. Additionally, the device should be initialized by applying a valid input voltage to the VIN pin and waiting for the output voltage to stabilize before applying a load.
  • The MAX637ACSA+ can tolerate a certain amount of input voltage ripple, but excessive ripple can affect the device's performance and reliability. The recommended maximum input voltage ripple is 100mV peak-to-peak, but this can vary depending on the specific application and operating conditions. It is recommended to use a high-quality input filter or regulator to minimize input voltage ripple.
  • If the MAX637ACSA+ output voltage is not within the expected range, there are several troubleshooting steps to take. First, verify that the input voltage is within the recommended range and that the device is properly powered up and initialized. Check for any signs of overheating, and ensure that the output load is within the recommended range. If the issue persists, try replacing the device or consulting the datasheet and application notes for further guidance.
  • The MAX637ACSA+ is rated for operation up to 125°C, but its performance and reliability can be affected by high temperatures. It is recommended to derate the device's output current and voltage at high temperatures, and to ensure that the device is properly heat-sinked to prevent overheating. Additionally, it is recommended to consult the datasheet and application notes for specific guidance on using the device in high-temperature applications.

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MAX637ACSA+ 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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