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Product attributes Property Value
Manufacturer Power Integrations
Product Series TOPSwitch®-HX
Packaging |
Output Isolation Isolated
Internal Switch(s) Yes
Voltage - Breakdown 700V
Topology Flyback
Voltage - Start Up -
Voltage - Supply (Vcc/Vdd) -
Duty Cycle 78%
Frequency - Switching 66kHz, 132kHz
Power (Watts) 162 W
Fault Protection Current Limiting, Over Temperature, Over Voltage
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-7F
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

TOP259LN - TOPSwitch-HX Offline Switching IC

The TOP259LN from Power Integrations is a high-performance offline switching IC from the TOPSwitch-HX family, designed for isolated flyback topology power supplies up to 162W. This integrated solution combines a 700V power MOSFET with advanced control circuitry, delivering exceptional efficiency and reliability for AC-DC conversion applications.

Key Features & Benefits

  • High Power Capability: Supports up to 162W output power with 78% duty cycle
  • Dual Frequency Operation: 66kHz and 132kHz switching frequencies for design flexibility
  • Integrated Protection: Built-in current limiting, over-temperature, and over-voltage protection
  • 700V Breakdown Voltage: Suitable for universal AC input applications (85-265VAC)
  • Wide Operating Range: -40°C to 150°C junction temperature rating
  • Compact eSIP-7F Package: Through-hole mounting with exposed pad for enhanced thermal performance

Typical Applications

Ideal for industrial power supplies, LED lighting drivers, home appliances, consumer electronics, and any application requiring reliable, cost-effective AC-DC conversion with comprehensive fault protection.