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PKS604PN - PeakSwitch® Offline Flyback Switcher IC

The PKS604PN from Power Integrations is a high-performance offline flyback switcher IC designed for reliable, efficient AC-DC power conversion in industrial, telecommunications, and consumer applications. Part of the proven PeakSwitch® family, this integrated controller delivers up to 56W output power with built-in 700V MOSFET and comprehensive fault protection.

Key Features & Benefits

  • Integrated 700V Power MOSFET - Reduces component count and board space
  • 56W Maximum Output Power - Ideal for mid-range power supplies
  • 277kHz Switching Frequency - Enables compact transformer design
  • Comprehensive Protection - Current limiting, overload, and over-temperature safeguards
  • Wide Operating Range - -40°C to 150°C junction temperature
  • Isolated Topology - Safe, reliable output isolation
  • Through-Hole Package - Easy assembly and prototyping

Typical Applications

  • Industrial control power supplies
  • Telecommunications equipment
  • Smart home devices and IoT modules
  • LED lighting drivers
  • Auxiliary power for motor drives
  • Battery chargers

Why Choose PKS604PN?

Power Integrations' PeakSwitch® technology combines precision control with robust protection in a single package, reducing design complexity and improving reliability. With decades of proven field performance and comprehensive technical support, the PKS604PN is the trusted choice for engineers worldwide.

Authorized Distributor - Genuine Power Integrations components with full traceability and manufacturer warranty. Technical support and design resources available.

Product attributes Property Value
Manufacturer Power Integrations
Product Series PeakSwitch®
Packaging |
Output Isolation Isolated
Internal Switch(s) Yes
Voltage - Breakdown 700V
Topology Flyback
Voltage - Start Up -
Voltage - Supply (Vcc/Vdd) -
Duty Cycle 65%
Frequency - Switching 277kHz
Power (Watts) 56 W
Fault Protection Current Limiting, Over Load, Over Temperature
Control Features EN
Operating Temperature -40°C ~ 150°C (TJ)
Grade -
Qualification -
Mounting Type Through Hole
Package / Case 8-DIP (0.300", 7.62mm), 7 Leads
Supplier Device Package 8-PDIP-C