Microsemi

SG3525ADW

SG3525ADW Description

The SG3525ADW from Microsemi Corporation is a high-performance push-pull PWM controller IC designed for DC-DC switching regulator applications. Housed in a 16-SOIC package, it features a transistor driver output with positive output configuration, making it ideal for precision power conversion. Operating within a wide supply voltage range (8V–35V) and switching frequencies from 100Hz to 350kHz, it supports synchronous rectification and clock synchronization for enhanced efficiency. With dual outputs, soft-start control, and enable functionality, it ensures reliable power management in demanding environments.

SG3525ADW Features

• Wide Operating Range: Supports 8V–35V input, suitable for diverse power supply designs.
• High Switching Frequency: Adjustable 100Hz–350kHz operation for optimized performance.
• Dual Output Drivers: Two transistor-driven outputs (49% max duty cycle) for push-pull topologies.
• Control & Protection: Soft-start, enable pin, and clock sync for precise regulation.
• Robust Compliance: RoHS-compliant, REACH-unaffected, and MSL 1 (unlimited) for reliability.
• Synchronous Rectification: Enhances efficiency in high-current applications.
• Surface-Mount (SOIC-16): Compact footprint for space-constrained designs.

SG3525ADW Applications

• Switch-Mode Power Supplies (SMPS): Efficient voltage conversion in industrial and telecom systems.
• DC-DC Converters: Used in battery chargers, UPS systems, and renewable energy inverters.
• Motor Drives: Provides stable PWM control for brushless DC motors.
• LED Drivers: Precision current regulation for high-power lighting.
• Automotive Electronics: Resilient performance in 12V/24V automotive power systems.

Conclusion of SG3525ADW

The SG3525ADW stands out as a versatile, high-efficiency PWM controller with advanced features like synchronous rectification, soft-start, and dual-output drive. Its wide voltage range, adjustable frequency, and robust packaging make it a top choice for power electronics engineers designing SMPS, converters, and motor control systems. Compliance with RoHS and REACH ensures environmental safety, while its surface-mount design aligns with modern PCB assembly trends. For reliable, high-performance power regulation, the SG3525ADW delivers unmatched flexibility and control.