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Product attributes Property Value
Manufacturer Power Integrations
Product Series LYTSwitch™-4
Packaging |
Output Isolation Isolated
Internal Switch(s) Yes
Voltage - Breakdown 725V
Topology Flyback, Step-Down (Buck), Step-Up (Boost)
Voltage - Start Up -
Voltage - Supply (Vcc/Vdd) -
Duty Cycle 99.9%
Frequency - Switching 140kHz
Power (Watts) 15 W
Fault Protection -
Control Features -
Operating Temperature -40°C ~ 150°C (TJ)
Grade -
Qualification -
Mounting Type Through Hole
Package / Case 7-SSIP, 6 Leads, Exposed Pad, Formed Leads
Supplier Device Package eSIP-7C
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

LYT4222E - LYTSwitch-4 AC-DC Offline Switching IC

The LYT4222E from Power Integrations is a high-performance AC-DC offline switching IC from the LYTSwitch-4 family, designed for isolated power supply applications up to 15W. This integrated controller features an internal 725V high-voltage MOSFET and supports multiple topologies including flyback, step-down (buck), and step-up (boost) configurations.

Key Features & Benefits

  • Integrated 725V High-Voltage Switch - Reduces component count and simplifies design
  • Multi-Topology Support - Flyback, buck, and boost configurations for design flexibility
  • 15W Output Power - Ideal for LED drivers, auxiliary supplies, and consumer electronics
  • 140kHz Switching Frequency - Enables compact transformer design
  • 99.9% Maximum Duty Cycle - Optimizes efficiency across load conditions
  • Wide Operating Temperature Range - -40°C to 150°C (TJ) for industrial applications
  • eSIP-7C Package - Through-hole mounting with exposed pad for thermal management
  • RoHS Compliant - Meets environmental standards

Applications

  • LED lighting drivers and ballasts
  • Auxiliary power supplies for appliances
  • Smart home and IoT device power
  • Industrial control power supplies
  • Consumer electronics adapters

Why Choose Authorized Distribution?

When you purchase the LYT4222E from our authorized distributor network, you receive:

  • ✓ Guaranteed Authenticity - Factory-sealed components with full traceability
  • ✓ Manufacturer Warranty - Complete warranty support from Power Integrations
  • ✓ Technical Documentation - Access to datasheets, application notes, and design resources
  • ✓ Long Lifecycle Support - Stable supply for production programs
  • ✓ Design-In Assistance - Technical support for your power supply designs

All specifications are subject to change without notice. Please refer to the official Power Integrations datasheet for complete design information.