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SG3524DRG4 - Texas Instruments

Description: SGx524 Regulating Pulse-Width Modulators

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SG3524DRG4 - Texas Instruments - PCB symbol
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PCB Footprints
SG3524DRG4 - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - D (R-PDSO-G16)
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SG3524DRG4 - Texas Instruments - 3D model - Small Outline Packages - D (R-PDSO-G16)
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SG3524DRG4 Details

  • Manufacturer Part Number:

    SG3524DRG4

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    SOIC

  • Package Description:

    GREEN, PLASTIC, MS-012AC, SOIC-16

  • Pin Count:

    16

  • 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

  • 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

  • Surface Mount:

    YES

  • Switcher Configuration:

    PUSH-PULL

  • Switching Frequency-Max:

    450 kHz

  • Technology:

    BIPOLAR

  • Temperature Grade:

    COMMERCIAL

  • Terminal Finish:

    NICKEL PALLADIUM GOLD

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    3.9 mm

SG3524DRG4 Frequently Asked Questions (FAQs)

  • The maximum switching frequency of the SG3524DRG4 is 500 kHz, but it's recommended to operate at a frequency below 400 kHz for optimal performance and to minimize EMI.
  • The output voltage of the SG3524DRG4 is set by the voltage divider network connected to the feedback pin (pin 5). The ratio of the resistors in the divider network determines the output voltage. A common configuration is to use a 2.2 kΩ resistor from the output to the feedback pin, and a 1 kΩ resistor from the feedback pin to ground, which sets the output voltage to approximately 15 V.
  • The soft-start pin (pin 9) is used to slowly ramp up the output voltage of the converter during startup, reducing inrush current and preventing voltage overshoots. A capacitor connected from the soft-start pin to ground determines the soft-start time constant.
  • The SG3524DRG4 has a built-in overcurrent protection feature that can be enabled by connecting a resistor from the current sense pin (pin 8) to ground. The value of the resistor determines the overcurrent threshold. Additionally, an external current sense resistor can be used to monitor the output current and shut down the converter in case of an overcurrent condition.
  • The SG3524DRG4 is a high-power device that requires careful layout and thermal management to ensure reliable operation. It's recommended to use a multi-layer PCB with a solid ground plane, and to place the device on a heat sink with a thermal interface material. The input and output capacitors should be placed close to the device, and the layout should be designed to minimize parasitic inductance and capacitance.

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SG3524DRG4 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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