LYT4212L

AC DC Converters, Offline Switchers Overview

The LYT4212L is an offline LED driver IC from the LYTSwitch-4 family by Power Integrations. It integrates a 725V power switch and controller for flyback, buck, or boost topologies. The device delivers a constant current of 2.08A with a maximum output power of 15W. It operates from an AC input range of 160 to 308 VAC. The component is housed in an ESIP-7F package and supports through-hole mounting.

AC DC Converters, Offline Switchers Feature Summary

• Integrates high-voltage power switch and control circuitry for compact design
• Provides constant current regulation for LED loads
• Supports multiple converter topologies including flyback, buck, and boost

AC DC Converters, Offline Switchers Applications

• High-line LED lighting systems
• Offline LED drivers
• General illumination applications requiring isolated power conversion

AC DC Converters, Offline Switchers Procurement Notes

Verify part status as obsolete before procurement planning. Confirm RoHS compliance and lead-free specifications against current regulatory requirements. Check for tariff implications if shipping to the United States. Ensure compatibility with existing board layouts due to the specific ESIP-7F package dimensions.

AC DC Converters, Offline Switchers Selection Notes

Select this component for designs requiring integrated high-voltage switching and constant current drive up to 15W. Consider the 725V breakdown voltage for high-line applications. Evaluate the ESIP-7F package for thermal management and mounting constraints. Verify that the 2.08A output current meets the specific LED string requirements.

AC DC Converters, Offline Switchers Part Context

This IC belongs to the LYTSwitch-4 series, designed for high-performance single-channel LED driving. It combines the power switch and controller into a single package to reduce component count. The series targets cost-sensitive, high-volume LED lighting markets with simplified design processes.

AC DC Converters, Offline Switchers Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. As the part status is obsolete, consult manufacturer resources for direct replacements within the LYTSwitch-4 family.