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SG3525ADWR2G - onsemi

Description: Push-Pull Regulator Positive Output Step-Up/Step-Down DC-DC Controller IC 16-SOIC

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SG3525ADWR2G - onsemi PCB footprint - Small Outline Packages - Small Outline Packages - SOIC−16 WB CASE 751G
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SG3525ADWR2G - onsemi  - 3D model - Small Outline Packages - SOIC−16 WB CASE 751G
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SG3525ADWR2G Details

  • Manufacturer Part Number:

    SG3525ADWR2G

  • Brand Name:

    onsemi

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SO-16 WB

  • Package Description:

    SO-16

  • Pin Count:

    16

  • Manufacturer Package Code:

    751G-03

  • Country Of Origin:

    Philippines

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    onsemi

  • YTEOL:

    6

  • Analog IC - Other Type:

    SWITCHING CONTROLLER

  • Control Mode:

    VOLTAGE-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    35 V

  • Input Voltage-Min:

    8 V

  • Input Voltage-Nom:

    20 V

  • JESD-30 Code:

    R-PDSO-G16

  • JESD-609 Code:

    e3

  • Length:

    9.9 mm

  • Moisture Sensitivity Level:

    3

  • Number of Functions:

    1

  • Number of Terminals:

    16

  • Operating Temperature-Max:

    70 °C

  • Output Current-Max:

    0.5 A

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Equivalence Code:

    SOP16,.4

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.75 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    PUSH-PULL

  • Switching Frequency-Max:

    400 kHz

  • Technology:

    BIPOLAR

  • 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

SG3525ADWR2G Frequently Asked Questions (FAQs)

  • The maximum operating frequency of the SG3525ADWR2G is 400 kHz. However, it's recommended to operate it at a frequency below 350 kHz for optimal performance and to minimize electromagnetic interference (EMI).
  • To ensure stability, make sure to decouple the Vcc pin with a 10uF capacitor, use a low-ESR output capacitor, and add a 1kΩ resistor in series with the feedback pin (pin 5) to prevent oscillations.
  • The soft-start pin allows for a gradual increase in output voltage during startup, reducing inrush currents and electromagnetic interference (EMI). Connect a capacitor (typically 10nF to 100nF) between the soft-start pin and ground to set the soft-start time.
  • Choose an inductor with a high saturation current rating, low DC resistance, and a suitable inductance value based on the output voltage, current, and switching frequency. A good starting point is to use an inductor with an inductance value between 10uH to 100uH.
  • The maximum output current of the SG3525ADWR2G depends on the specific application and the transformer turns ratio. However, as a general guideline, the output current should not exceed 1.5A per channel (3A total) to ensure reliable operation.

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SG3525ADWR2G Overview

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