LYT3318D

Description：IC LED DRIVER OFFL TRIAC 16SO
Series：LYTSwitch™-3
Mfr：Power Integrations
Package：Tube

SKU:99602509fcb9 Category: LED Drivers IC Brand: Power Integrations

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Product introduction

LYT3318D is listed in the LED Driver IC range at ChipApex. The manufacturer field lists Power Integrations. Its product description is IC LED DRIVER OFFL TRIAC 16SO. Review the specifications below when checking this part for your BOM.

LED Driver IC specifications for LYT3318D

Description：IC LED DRIVER OFFL TRIAC 16SO
Series：LYTSwitch™-3
Mfr：Power Integrations
Package：Tube
Type：AC DC Offline Switcher
Topology：Flyback, SEPIC, Step-Down (Buck), Step-Up (Boost)
Internal Switch(s)：Yes
Number of Outputs：1
Voltage - Supply (Min)：85VAC
Voltage - Supply (Max)：132VAC
Voltage - Output：-
Current - Output / Channel：-
Frequency：40kHz ~ 124kHz
Dimming：Triac
Applications：Lighting
Operating Temperature：-40°C ~ 150°C (TJ)
Mounting Type：Surface Mount
Package / Case：16-SOIC (0.154", 3.90mm Width), 14 Leads
Supplier Device Package：16-SO B
Grade：-
Qualification：-

LED Driver IC datasheet and documents for LYT3318D

LYT3318D

LED Driver IC Overview

The LYT3318D-TL is a single-stage LED driver IC from the LYTSwitch-3 family by Power Integrations. It integrates a high-voltage switch and controller for non-isolated applications, supporting topologies such as flyback, SEPIC, buck, and boost. The device provides primary-side constant current regulation with power factor correction (PFC). Key electrical parameters include an input voltage range of 85VAC to 132VAC, a maximum output power of 20.4W, and a breakdown voltage rating of 650V. It operates within a junction temperature range of -40°C to 150°C and supports Triac dimming functionality.

LED Driver IC Feature Summary

Integrates a high-voltage switch and controller in a compact package
Provides primary-side constant current regulation without optocouplers
Supports multiple non-isolated topologies including flyback and SEPIC
Enables Triac dimming compatibility for lighting applications

LED Driver IC Applications

Single-stage power factor corrected constant current LED bulbs
LED downlighters
Non-isolated LED driver designs

LED Driver IC Procurement Notes

Verify the specific suffix against official datasheets, as packaging options like tape-and-reel or tube may vary. Confirm RoHS compliance status and moisture sensitivity levels prior to assembly. Ensure design alignment with the manufacturer's recommended operating conditions for optimal performance and reliability.

LED Driver IC Selection Notes

Select this component for non-isolated LED lighting applications requiring integrated PFC and constant current control. It is suitable for designs utilizing flyback, SEPIC, buck, or boost topologies. Consider the 650V rating and 20.4W power limit when defining circuit requirements.

LED Driver IC Part Context

This part belongs to the LYTSwitch-3 series, designed for high-efficiency LED drivers. The series focuses on reducing complexity in bulbs, tubes, and ballasts through highly integrated solutions that minimize external component count while maintaining robust performance standards.