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SG3524D - Texas Instruments

Description: SG3524D, PWM Controller 450kHz 8 to 40V 16-Pin SOIC

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SG3524D - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - D (R-PDSO-G16)
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SG3524D - Texas Instruments  - 3D model - Small Outline Packages - D (R-PDSO-G16)
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SG3524D Details

  • Manufacturer Part Number:

    SG3524D

  • Brand Name:

    Texas Instruments

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    SOIC

  • Pin Count:

    16

  • Country Of Origin:

    Mexico

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    0

  • Analog IC - Other Type:

    SWITCHING CONTROLLER

  • Control Mode:

    VOLTAGE-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    40 V

  • Input Voltage-Min:

    8 V

  • Input Voltage-Nom:

    20 V

  • JESD-30 Code:

    R-PDSO-G16

  • JESD-609 Code:

    e4

  • Length:

    9.9 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    16

  • Operating Temperature-Max:

    70 °C

  • Output Current-Max:

    0.1 A

  • Output Voltage-Max:

    5.4 V

  • Output Voltage-Min:

    4.6 V

  • Output Voltage-Nom:

    5 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Equivalence Code:

    SOP16,.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):

    10 mA

  • Supply Voltage-Max (Vsup):

    40 V

  • Surface Mount:

    YES

  • Switcher Configuration:

    PUSH-PULL

  • Switching Frequency-Max:

    722 kHz

  • Technology:

    BIPOLAR

  • Temperature Grade:

    COMMERCIAL

  • Terminal Finish:

    Nickel/Palladium/Gold (Ni/Pd/Au)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    3.9 mm

SG3524D Frequently Asked Questions (FAQs)

  • The maximum input voltage that can be applied to the SG3524D is 40V. Exceeding this voltage can cause damage to the device.
  • To ensure a stable and reliable oscillator, make sure to use a high-quality capacitor (e.g., ceramic or film capacitor) for the timing capacitor (CT) and a resistor (RT) with a low temperature coefficient. Also, keep the oscillator circuitry away from noise sources and ensure good power supply decoupling.
  • The soft-start pin (SS) is used to slowly ramp up the output voltage when the converter is first turned on, reducing inrush currents and electromagnetic interference (EMI). It can also be used to implement a delayed turn-on or turn-off sequence for the converter.
  • Choose R1 and R2 such that the voltage at the feedback pin (FB) is around 2.5V (the internal reference voltage) when the output voltage is at the desired level. A good starting point is to use R1 = 1 kΩ and R2 = 2.2 kΩ, and then adjust as needed to achieve the desired output voltage.
  • The maximum switching frequency that can be achieved with the SG3524D is around 400 kHz. However, the actual switching frequency may be limited by the specific application, component values, and layout.

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SG3524D Overview

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About Texas Instruments

Texas Instruments (TI) designs and manufactures semiconductors and integrated circuits for a wide range of applications. The company's product portfolio includes analog chips, which are essential for managing power and signal functions in electronic devices, and embedded processors, which serve as the brains in various systems, enabling functionality in everything from industrial equipment to consumer electronics. TI's innovations in semiconductor technology have made it a leader in the industry.

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