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SG3525AN - onsemi

Description: Switching Controllers 8-35V PWM

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SG3525AN - onsemi - PCB symbol
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PCB Footprints
SG3525AN - onsemi PCB footprint - Dual-In-Line Packages - Dual-In-Line Packages - PDIP−16 N SUFFIX CASE 648−08 ISSUE T
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SG3525AN - onsemi - 3D model - Dual-In-Line Packages - PDIP−16 N SUFFIX CASE 648−08 ISSUE T
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SG3525AN Details

  • Manufacturer Part Number:

    SG3525AN

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    DIP

  • Package Description:

    DIP-16

  • Pin Count:

    16

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    onsemi

  • YTEOL:

    0

  • 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-PDIP-T16

  • JESD-609 Code:

    e0

  • Length:

    19.175 mm

  • Number of Functions:

    1

  • Number of Terminals:

    16

  • Operating Temperature-Max:

    70 °C

  • Output Current-Max:

    0.5 A

  • Output Voltage-Max:

    5.15 V

  • Output Voltage-Min:

    5.05 V

  • Output Voltage-Nom:

    5.1 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    DIP

  • Package Equivalence Code:

    DIP16,.3

  • Package Shape:

    RECTANGULAR

  • Package Style:

    IN-LINE

  • Peak Reflow Temperature (Cel):

    NOT SPECIFIED

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    4.44 mm

  • Surface Mount:

    NO

  • Switcher Configuration:

    PUSH-PULL

  • Switching Frequency-Max:

    400 kHz

  • Technology:

    BIPOLAR

  • Temperature Grade:

    COMMERCIAL

  • Terminal Finish:

    Tin/Lead (Sn/Pb)

  • Terminal Form:

    THROUGH-HOLE

  • Terminal Pitch:

    2.54 mm

  • Terminal Position:

    DUAL

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

    NOT SPECIFIED

  • Width:

    7.62 mm

SG3525AN Frequently Asked Questions (FAQs)

  • The maximum voltage rating for the SG3525AN is 40V. However, it's recommended to operate within 35V to ensure reliable operation.
  • The values of RT and CT depend on the desired oscillator frequency. A good starting point is to use the values recommended in the datasheet (RT = 2.2kΩ, CT = 3.3nF). Then, adjust these values based on the specific application requirements.
  • The soft-start pin (SS) is used to gradually increase the output voltage during startup, reducing inrush currents and electromagnetic interference (EMI). Connect a capacitor (typically 10nF to 100nF) from the SS pin to ground, and a resistor (typically 1kΩ to 10kΩ) from the SS pin to the output voltage.
  • The SG3525AN operates within the recommended frequency range of 100Hz to 400Hz. Ensure that the oscillator frequency is set within this range by selecting the correct values for RT and CT. You can also use the frequency calculation formula provided in the datasheet to determine the oscillator frequency.
  • Key considerations for layout and PCB design include: keeping the power supply and output stages separate, using a solid ground plane, minimizing trace lengths and loops, and placing decoupling capacitors close to the IC. Follow good PCB design practices to minimize electromagnetic interference (EMI) and ensure reliable operation.

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SG3525AN Overview

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