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MAX857ESA+ - Analog Devices

Description: MAXIM INTEGRATED PRODUCTS - MAX857ESA+ - DC/DC CONV, BOOST, 500KHZ, NSOIC-8

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MAX857ESA+ - Analog Devices - PCB symbol
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MAX857ESA+ - Analog Devices PCB footprint - Small Outline Packages - Small Outline Packages - 8 SO
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3D Models
MAX857ESA+ - Analog Devices - 3D model - Small Outline Packages - 8 SO
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MAX857ESA+ Details

  • Manufacturer Part Number:

    MAX857ESA+

  • 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, SOP-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:

    1999-06-16

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    9

  • Analog IC - Other Type:

    SWITCHING REGULATOR

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE FREQUENCY MODULATION

  • Input Voltage-Max:

    6 V

  • Input Voltage-Min:

    0.8 V

  • Input Voltage-Nom:

    2.5 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:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    0.5 A

  • Output Voltage-Nom:

    1.25 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):

    0.06 mA

  • Surface Mount:

    YES

  • Switcher Configuration:

    BOOST

  • Switching Frequency-Max:

    500 kHz

  • Technology:

    CMOS

  • 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

MAX857ESA+ Frequently Asked Questions (FAQs)

  • It is recommended to follow a star-grounding configuration, keeping the device's ground pin connected to the analog ground plane. Place the device close to the power source, and use a low-ESR capacitor (e.g., 10uF) between the VIN pin and the analog ground plane. Additionally, keep the input and output traces short and away from noisy digital signals.
  • To ensure stability, it's essential to follow the recommended compensation network (R1, R2, C1, and C2) as shown in the datasheet. Additionally, use a low-ESR output capacitor (e.g., 10uF) and keep the output impedance low. If oscillations occur, try increasing the output capacitor value or adding a small series resistor (e.g., 1Ω) to the output.
  • The MAX857ESA+ can handle input voltages up to 42V, but it's recommended to limit the input voltage to 36V to ensure reliable operation and prevent damage. Exceeding the maximum input voltage can cause permanent damage to the device.
  • The output voltage ripple can be estimated using the formula: ΔVout = (Iout * Rload) / (fsw * Cout), where Iout is the output current, Rload is the load resistance, fsw is the switching frequency (typically 1.2MHz for the MAX857ESA+), and Cout is the output capacitor value. A smaller output capacitor value or higher switching frequency can reduce the output voltage ripple.
  • The MAX857ESA+ is rated for operation up to 125°C (TJ). However, the device's performance and reliability may degrade at high temperatures. It's essential to follow the recommended operating conditions and derate the device's performance accordingly. For example, the output current capability may decrease at high temperatures.

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MAX857ESA+ 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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For a full list of alternate parts for MAX857ESA+, check out Findchips.com