UC3527BNG4

DC DC Switching Controllers Overview

The UC3527BNG4 is a DC-DC switching controller IC manufactured by Unitrode, housed in a 16-pin PDIP package. It supports multiple topologies including Buck, Boost, Flyback, Forward, Full-Bridge, Half-Bridge, and Push-Pull configurations. The device operates with an input voltage range of 8V to 35V and features a maximum switching frequency of 400 kHz. It provides two positive output channels with a maximum duty cycle of 49% and includes synchronization capabilities. The component is designed for applications requiring step-up or step-down voltage conversion within a commercial temperature range.

DC DC Switching Controllers Feature Summary

• Supports versatile converter topologies such as buck, boost, flyback, forward, full-bridge, half-bridge, and push-pull.
• Features integrated clock synchronization for multi-controller systems.
• Includes control characteristics such as enable functionality, frequency control, and soft-start.
• Provides synchronous rectification capability for improved efficiency.

DC DC Switching Controllers Applications

• Buck, Boost, and Flyback converter designs
• Forward and Full-Bridge power supply architectures
• Half-Bridge and Push-Pull regulator circuits

DC DC Switching Controllers Procurement Notes

Verify the obsolete status of this component through official manufacturer channels or authorized distributors. Confirm that the specific ordering suffix aligns with required RoHS compliance and package specifications. Ensure availability of suitable replacement parts if current stock is limited. Check for any recent product change notifications regarding manufacturing location or material composition before finalizing procurement plans.

DC DC Switching Controllers Selection Notes

Select this controller for designs requiring flexible topology support and synchronized operation. Consider the 8V to 35V input range and 400 kHz frequency limit when designing magnetic components. Verify that the 16-pin PDIP package fits the target PCB layout. Evaluate the need for synchronous rectification and soft-start features against system performance requirements.

DC DC Switching Controllers Part Context

This component belongs to the UC3527 family of switching controllers, originally developed by Unitrode Corporation. It is part of a broader line of power management integrated circuits designed for various DC-DC conversion needs. The UC3527 series is known for its versatility in supporting multiple converter topologies and its robust feature set for industrial and commercial power applications.

DC DC Switching Controllers Replacement Considerations

UC3527ANG4 is listed as a recommended alternative by Texas Instruments.