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Microchip SG3524D

Voltage Mode PWM Controller 100mA 450kHz 16-Pin SOIC Tube

Ovaga Certification

Brands: Microchip Technology, Inc

Mfr.Part #: SG3524D

Datasheet: SG3524D Datasheet (PDF)

Package/Case: SOIC-16

Product Type: Power Management ICs

RoHS Status:

Stock Condition: 2717 pcs, New Original

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SG3524D General Description

SG3524D is a pulse width modulator (PWM) integrated circuit that is commonly used in power electronics and switching power supply applications. It is a high-performance version of the SG3524, with improved specifications and additional features.



  • Wide input voltage range: 8V to 40V
  • Dual alternating outputs: capable of driving up to 200mA each
  • Adjustable dead-time control
  • Adjustable frequency control: up to 500kHz
  • TTL/CMOS compatible inputs


  • Switching power supplies
  • DC-DC converters
  • Inverters
  • Motor speed control
  • Battery chargers
  • LED drivers
Microchip Technology, Inc Inventory


Parameter Value Parameter Value
Manufacturer: Texas Instruments Product Category: Switching Controllers
RoHS: Y Topology: Boost, Buck, Flyback, Forward, Push-Pull
Number of Outputs: 2 Output Switching Frequency: 722 kHz
Duty Cycle - Max: 45 % Output Voltage: 4.6 V to 5.4 V
Output Current: 50 mA Minimum Operating Temperature: 0 C
Maximum Operating Temperature: + 70 C Mounting Style: SMD/SMT
Package / Case: SOP-16 Packaging: Tube
Height: 1.58 mm Length: 9.9 mm
Operating Temperature Range: 0 C to + 70 C Series: SG3524
Type: Voltage Mode PWM Controllers Brand: Texas Instruments
Fall Time: 100 ns Operating Supply Voltage: 8 V to 40 V
Product Type: Switching Controllers Rise Time: 200 ns
Factory Pack Quantity: 40 Subcategory: PMIC - Power Management ICs
Unit Weight: 0.004998 oz


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1.The electronic components you purchase include 365 Days Warranty, We guarantee product quality.

2.If some of the items you received aren't of perfect quality, we would resiponsibly arrange your refund or replacement. But the items must remain their orginal condition.


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Equivalent Parts

For the SG3524D component, you may consider these replacement and alternative parts:

Part Number




Part Number:  TL494




Part Number:  KA7500




Part Number:  UC3842




Part Number:  UC3843




Part Number:  IR2110




Part Number:  IRS2092




Part Number:  IR2153




Datasheet PDF

Preliminary Specification SG3524D PDF Download

Key points

  • The SG3524D chip is a voltage-mode control integrated circuit that is commonly used in switch mode power supplies (SMPS). It provides precise control over the output voltage by regulating the duty cycle of the pulse-width modulation (PWM) signal. This chip includes all the functions required for a typical SMPS design, such as error amplifier, voltage reference, oscillator, and output drivers. It is widely used in various power applications due to its versatility and efficiency.
  • Equivalent

    Some equivalent products of the SG3524D chip include SG3524N, SG2525A, UC3524ADW, and UC2525ADW.
  • Features

    The SG3524D is a PWM controller integrated circuit (IC) with features like adjustable frequency, adjustable dead time, soft start, and current limiting. It has an operating voltage range of 8V to 35V, built-in oscillator, temperature stability, and high precision reference voltage. It is commonly used in power supplies, inverters, and other applications requiring precise control of PWM signals.
  • Pinout

    The SG3524D is a 16-pin integrated circuit (IC). Its functions include generating and controlling pulse width modulation (PWM) signals for power converters, as well as regulating and adjusting the frequency of these signals.
  • Manufacturer

    The SG3524D is manufactured by STMicroelectronics. STMicroelectronics is a multinational semiconductor company specializing in the design, manufacturing, and supply of a wide range of semiconductor products, including microcontrollers, power management, and wireless solutions.
  • Application Field

    The SG3524D is a pulse width modulation (PWM) controller commonly used in power supply circuits and inverters. It is also used in applications such as uninterruptible power supplies (UPS), switch-mode power supplies (SMPS), battery chargers, and motor drive circuits.
  • Package

    The SG3524D chip comes in a dual in-line package (DIP) form. The package size is typically 0.300 inches wide.

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