MAX5058AUI+

Power Management - Specialized Overview

The MAX5058AUI+ is a specialized power management integrated circuit functioning as a secondary side synchronous rectifier driver. It operates within a supply voltage range of 4.5V to 28V and supports an operating temperature range from -40°C to +125°C. The device features two drivers with a typical supply current of 2.5mA. It utilizes a 28-TSSOP-EP surface-mount package designed for efficient thermal dissipation in high-density power supply applications.

Power Management - Specialized Feature Summary

• Designed specifically for secondary side synchronous rectification in isolated power converters
• Supports wide input supply voltage ranges suitable for various transformer configurations
• Optimized for high efficiency and low quiescent current operation

Power Management - Specialized Applications

• Flyback power supplies
• Forward converter designs
• Isolated DC-DC conversion modules

Power Management - Specialized Procurement Notes

Verify the specific suffix 'A' against the required temperature grade, as it denotes extended industrial range capabilities. Confirm the 28-TSSOP-EP package dimensions match the target PCB footprint. Ensure compatibility with the primary controller's timing requirements before integration into the final design.

Power Management - Specialized Selection Notes

Select this component when designing isolated topologies requiring dedicated synchronous rectifier control. Compare drive strength and propagation delay specifications against alternative drivers if switching frequency exceeds standard limits. Evaluate thermal performance based on the exposed pad requirement for adequate heat sinking.

Power Management - Specialized Part Context

This part belongs to the MAX5058 family of synchronous rectifier controllers. It complements primary-side PWM controllers by managing the secondary MOSFETs to reduce conduction losses. The series is engineered for high-efficiency offline and online power conversion systems.

Power Management - Specialized Replacement Considerations

Direct substitutes include other Maxim Integrated synchronous rectifier drivers such as the MAX5059 series. Verify pinout compatibility and electrical parameters before swapping components in existing designs.