NV9573S121

AC DC Converters, Offline Switchers Overview

The NV9573S121 is a GaNSense Control integrated circuit from Navitas Semiconductor, designed for professional power management applications. It features a 700V breakdown voltage and an on-resistance of 330mOhm. The device operates within a supply voltage range up to 77V maximum input, with a typical operating supply current of 750uA. It supports switching frequencies of 100kHz and 129kHz in an offline flyback secondary side synchronous rectification topology. The component functions across a temperature range of -40°C to +125°C and is housed in an ESOP-7 surface-mount package.

AC DC Converters, Offline Switchers Feature Summary

• Integrates GaN power device with control and protection logic
• Supports secondary side synchronous rectification
• Optimized for high-frequency offline flyback converters

AC DC Converters, Offline Switchers Applications

• AC-DC chargers and adapters
• Offline flyback power supplies
• Secondary side synchronous rectification circuits

AC DC Converters, Offline Switchers Procurement Notes

Verify the specific ordering suffix and tape/reel configuration against the manufacturer's latest datasheet before procurement. Confirm that the ESOP-7 package variant matches your PCB footprint requirements. Ensure compliance with RoHS directives and check for any regional distribution restrictions or limited availability status directly with authorized suppliers.

AC DC Converters, Offline Switchers Selection Notes

Select this component for designs requiring integrated GaN control in compact AC-DC conversion systems. The 700V rating suits standard mains voltage applications. Consider the 330mOhm resistance and 750uA supply current when calculating efficiency targets. Ensure the controller frequency options align with the transformer design specifications for optimal performance.

AC DC Converters, Offline Switchers Part Context

This part belongs to the GaNSense Control series, which combines GaN transistors with intelligent gate drivers. It represents Navitas's approach to simplifying power supply design by integrating protection features directly onto the chip. The series targets high-efficiency consumer and industrial power adapters.

AC DC Converters, Offline Switchers Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.