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SI7661ESA+ - Analog Devices

Description: Switching Voltage Regulators CMOS, Voltage Converters

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SI7661ESA+ - Analog Devices PCB footprint - Small Outline Packages - Small Outline Packages - SO-8-1
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SI7661ESA+ - Analog Devices - 3D model - Small Outline Packages - SO-8-1
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SI7661ESA+ Details

  • Manufacturer Part Number:

    SI7661ESA+

  • Brand Name:

    Analog Devices Inc

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    8-SOIC_N-150_MIL

  • Package Description:

    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:

    1999-06-04

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    9

  • Analog IC - Other Type:

    SWITCHED CAPACITOR CONVERTER

  • Input Voltage-Max:

    20 V

  • Input Voltage-Min:

    4.5 V

  • Input Voltage-Nom:

    15 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:

    0.02 A

  • Output Voltage-Nom:

    -20 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):

    2 mA

  • Surface Mount:

    YES

  • Switcher Configuration:

    DOUBLER INVERTER

  • Switching Frequency-Max:

    10 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

SI7661ESA+ Frequently Asked Questions (FAQs)

  • A good PCB layout is crucial for the SI7661ESA+. Ensure a solid ground plane, keep the input and output capacitors close to the IC, and use a Kelvin connection for the sense pins. A 4-layer PCB with a dedicated power plane is recommended. Refer to the ADI app note AN-107 for more details.
  • Choose X5R or X7R ceramic capacitors with a voltage rating of at least 2x the input voltage. For the output capacitor, select a capacitor with a low ESR (Equivalent Series Resistance) and a capacitance value between 10uF to 22uF. The input capacitor should be at least 1uF.
  • The maximum ambient temperature for the SI7661ESA+ is 85°C. However, the device can operate up to 105°C with derating. Refer to the datasheet for the thermal derating curve.
  • Yes, the SI7661ESA+ is AEC-Q100 qualified and suitable for high-reliability and automotive applications. However, ensure that you follow the recommended PCB layout, component selection, and thermal management guidelines to meet the required reliability standards.
  • Start by checking the input voltage, output voltage, and current. Verify that the input and output capacitors are properly connected and meet the recommended specifications. Check for any signs of overheating, and ensure that the PCB layout follows the recommended guidelines. If issues persist, consult the ADI support team or a qualified engineer for further assistance.

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SI7661ESA+ 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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