• SG3525ADW SOIC-16
SG3525ADW SOIC-16

SG3525ADW

Voltage mode PWM controller designed for applications requiring a maximum current of 400mA

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Overview of SG3525ADW

The SG3525ADW is a pulse width modulation (PWM) controller IC manufactured by multiple semiconductor companies. It's commonly used in power supply and inverter circuits. The IC features a voltage reference, error amplifier, oscillator, pulse-width modulator, and dual output drivers. Operating from a single supply voltage ranging from 8V to 35V, it can generate PWM signals with a frequency adjustable up to 300 kHz. The device offers a ±1% duty cycle accuracy, making it suitable for precise control applications. It provides both complementary and symmetrical PWM outputs, facilitating efficient drive of power MOSFETs or IGBTs. Its internal circuitry includes protection features such as pulse-by-pulse current limiting, overcurrent shutdown, and undervoltage lockout. With its versatile features and robust performance, the SG3525ADW is widely utilized in various power electronics applications to regulate voltage and control power delivery efficiently

SG3525ADW

Key Features

  • The SG3525ADW is a pulse width modulation (PWM) controller
  • It features a ±1% reference voltage accuracy, 100kHz to 500kHz adjustable oscillator frequency, and a current limiting with reference tracking
  • It also includes a soft-start circuitry, shutdown control, and error amplifier with low output impedance

    • Application

  • The SG3525ADW is commonly used in DC-DC converters, inverters, and power supplies due to its ability to control PWM signals
  • It can also be found in battery chargers, UPS systems, and lighting applications

    • Specifications

    The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

    Product Category Switching Controllers RoHS Details
    Topology Buck, Flyback, Forward Number of Outputs 2 Output
    Switching Frequency 350 kHz Duty Cycle - Max 49 %
    Input Voltage 8 V to 35 V Output Voltage 5.1 V
    Output Current 500 mA Minimum Operating Temperature 0 C
    Maximum Operating Temperature + 70 C Mounting Style SMD/SMT
    Package / Case SOIC-16 Brand Microchip Technology
    Description/Function Regulating Pulse Width Modulator Fall Time 50 ns
    Operating Supply Current 14 mA Operating Supply Voltage 8 V to 35 V
    Product Regulating Pulse Width Modulators Product Type Switching Controllers
    Rise Time 100 ns Shutdown Shutdown
    Factory Pack Quantity 46 Subcategory PMIC - Power Management ICs
    Type Modulator Unit Weight 0.023492 oz

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