LYT4314L

AC DC Converters, Offline Switchers Overview

The LYT4314L is an integrated offline switch from the LYTSwitch-4 family, designed for high-power LED lighting applications. It operates as a single-stage controller with primary-side regulation, supporting flyback, buck, and boost topologies. The device integrates a 725V breakdown voltage MOSFET and functions at a switching frequency of 140kHz. It provides accurate constant current regulation suitable for dimmable LED drivers.

AC DC Converters, Offline Switchers Feature Summary

• Integrates primary-side control to eliminate optoisolators
• Supports TRIAC dimming functionality
• Includes internal power MOSFET with high voltage rating

AC DC Converters, Offline Switchers Applications

• High-power LED lighting drivers
• Dimmable LED applications
• Offline AC-DC conversion

AC DC Converters, Offline Switchers Procurement Notes

Verify component status carefully as this part may be discontinued or subject to replacement by newer series such as LYTSwitch-6. Confirm package integrity and lead times through authorized distributors. Ensure design-in compatibility with existing thermal and electrical requirements before procurement.

AC DC Converters, Offline Switchers Selection Notes

Select this component for applications requiring high power factor correction and tight constant current regulation without secondary feedback loops. Consider the eSIP-7C package constraints and thermal management needs for high-power density designs. Evaluate compatibility with specific TRIAC dimmer types for optimal performance.

AC DC Converters, Offline Switchers Part Context

Part of the LYTSwitch-4 family, which combines driver, controller, and switch functions into a single IC. This integration reduces component count and enables cost-effective single-sided PCB designs. The family targets efficiency and reliability in LED lighting solutions.

AC DC Converters, Offline Switchers Replacement Considerations

Official suggestions indicate LYTSwitch-6 series as potential alternatives. Verify pinout compatibility and electrical parameter alignment when substituting.