NCP4353ASNT1G

Power Supply Controllers, Monitors Overview

The NCP4353ASNT1G is a secondary-side controller IC for switched-mode power supplies (SMPS) manufactured by onsemi. It is designed to regulate and manage power delivery in low standby power adapters, featuring current regulation capabilities. The component operates within the NCP4353 series and is housed in a TSOP-6 package with a 1.5mm body thickness. This device functions as an off-mode controller to enhance efficiency during idle states.

Power Supply Controllers, Monitors Feature Summary

• Secondary-side control architecture for SMPS applications
• Optimized for low standby power consumption in adapters
• Integrated current regulation functionality

Power Supply Controllers, Monitors Applications

• Low standby power AC-DC adapters
• Switched-mode power supply systems
• Secondary side voltage regulation circuits

Power Supply Controllers, Monitors Procurement Notes

Verify the complete part number including the suffix 'ASNT1G' to ensure correct packaging and tape/reel specifications. Confirm that the TSOP-6-1.5mm package dimensions match your PCB footprint requirements. Check RoHS compliance status through official manufacturer documentation before integration into regulated products.

Power Supply Controllers, Monitors Selection Notes

Select this component when designing secondary-side control loops for flyback or forward converters requiring minimal quiescent current. Ensure the application supports the specific operating conditions defined in the datasheet. Evaluate thermal performance within the TSOP-6 package constraints for high-density designs.

Power Supply Controllers, Monitors Part Context

This device belongs to the NCP4353 family of power supply controllers. It serves as a specialized solution for modern energy-efficient power adapters where strict standby power regulations apply. The secondary-side implementation allows for precise output regulation without primary-side feedback complexity.

Power Supply Controllers, Monitors Replacement Considerations

Consult official cross-reference lists from onsemi for verified substitutes. Generic equivalents may not support the specific sleep mode control features required for low standby power applications.