SG3525 (3525) Pulse Width Modulation Controller IC SMD Package

SG3525 (3525) Pulse Width Modulation Controller IC SMD Package 

The SG3525 PWM controller IC is a versatile and widely used pulse width modulation controller designed for switch-mode power supplies (SMPS), DC-DC converters, and inverter applications. It offers precise control of frequency, duty cycle, and dead time, making it a popular choice for high-performance power electronics designs.

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Key Features

• IC Type: PWM (Pulse Width Modulation) Controller
• Model: SG3525 / 3525
• Package: SMD (Surface-Mount Device)
• Adjustable oscillator frequency using external components
• Dual push-pull outputs for driving MOSFETs or BJTs
• Built-in dead-time control
• Soft-start function
• Error amplifier for closed-loop voltage regulation
• Under-voltage lockout (UVLO)
• Shutdown and enable control pins

Typical Applications

• Switch-mode power supplies (SMPS)
• DC-DC converters
• Inverters and UPS systems
• Push-pull and half-bridge converters
• Battery-powered power electronics
• DIY, laboratory, and educational projects