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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) 35 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

LYT4326E - LYTSwitch-4 AC-DC Offline Switcher IC

The LYT4326E from Power Integrations is a high-performance AC-DC offline switcher IC from the LYTSwitch-4 family, designed for isolated power conversion applications up to 35W. This versatile controller supports flyback, step-down (buck), and step-up (boost) topologies with 725V breakdown voltage and 140kHz switching frequency.

Key Features & Benefits

  • Multi-Topology Support: Flyback, buck, and boost configurations for design flexibility
  • High Voltage Capability: 725V breakdown voltage for robust performance
  • Integrated Switch: Internal switching element simplifies design and reduces BOM
  • Wide Operating Range: -40°C to 150°C junction temperature for industrial applications
  • Compact Package: Through-hole eSIP-7C with exposed pad for efficient thermal management
  • High Efficiency: 99.9% duty cycle capability maximizes power conversion efficiency

Typical Applications

Ideal for LED drivers, auxiliary power supplies, smart home devices, industrial controls, and consumer electronics requiring reliable isolated AC-DC conversion with minimal external components.

Authorized Distributor

We provide 100% authentic Power Integrations components with full manufacturer documentation, traceability, and long lifecycle support. All units ship from authorized stock with quality guarantees.