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MAX1947ETA33+T - Analog Devices

Description: MAXIM INTEGRATED PRODUCTS - MAX1947ETA33+T. - Boost (Step Up) Switching Regulator, Fixed, 700mV-3.6V In, 3.3V And 169mA Out, TDFN-8

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MAX1947ETA33+T - Analog Devices - PCB symbol
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PCB Footprints
MAX1947ETA33+T - Analog Devices PCB footprint - Small Outline No-lead - Small Outline No-lead - T833+2
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MAX1947ETA33+T - Analog Devices - 3D model - Small Outline No-lead - T833+2
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MAX1947ETA33+T Details

  • Manufacturer Part Number:

    MAX1947ETA33+T

  • Brand Name:

    Analog Devices Inc

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    8-LFCSP-3X3X0.75

  • Package Description:

    HVSON, SOLCC8,.12,25

  • Pin Count:

    8

  • Manufacturer Package Code:

    8-LFCSP-3X3X0.75

  • Reach Compliance Code:

    Compliant

  • 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:

    2004-06-04

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    10

  • Analog IC - Other Type:

    SWITCHING REGULATOR

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    3.6 V

  • Input Voltage-Min:

    0.7 V

  • Input Voltage-Nom:

    1.5 V

  • JESD-30 Code:

    S-XDSO-N8

  • 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

  • Output Current-Max:

    1 A

  • Output Voltage-Nom:

    3.3 V

  • Package Body Material:

    UNSPECIFIED

  • Package Code:

    HVSON

  • Package Equivalence Code:

    SOLCC8,.12,25

  • Package Shape:

    SQUARE

  • Package Style:

    SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    0.8 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    BOOST

  • Switching Frequency-Max:

    2000 kHz

  • Technology:

    BICMOS

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    Matte Tin (Sn) - annealed

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.65 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    3 mm

MAX1947ETA33+T Frequently Asked Questions (FAQs)

  • A good PCB layout for the MAX1947ETA33+T involves keeping the input and output traces separate, 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 reduce noise and EMI.
  • The output capacitor selection for the MAX1947ETA33+T depends on the output voltage, output current, and desired ripple voltage. A general rule of thumb is to choose a capacitor with a capacitance value of at least 10uF and a voltage rating of at least 2x the output voltage. Additionally, consider the ESR (Equivalent Series Resistance) and ESL (Equivalent Series Inductance) of the capacitor to ensure it can handle the output current and frequency.
  • The MAX1947ETA33+T has an absolute maximum input voltage rating of 15V. However, the recommended input voltage range is 4.5V to 14V. Exceeding the absolute maximum input voltage can damage the device.
  • To ensure stability and prevent oscillation, make sure to follow the recommended PCB layout, choose the correct output capacitor, and ensure the input voltage is within the recommended range. Additionally, add a 10nF to 100nF capacitor between the VIN pin and GND pin to filter out high-frequency noise.
  • The typical efficiency of the MAX1947ETA33+T is around 90% to 95% depending on the input voltage, output voltage, and output current. The efficiency can be improved by optimizing the PCB layout, choosing the correct output capacitor, and minimizing the input voltage ripple.

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MAX1947ETA33+T 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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