onsemi FSDL0165RL

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FSDL0165RL - Fairchild Power Switch (FPS™) Offline Switching Regulator

The FSDL0165RL from onsemi is a high-performance isolated flyback switching regulator designed for AC-DC power conversion applications up to 23W. This integrated power switch features a 650V breakdown voltage, built-in fault protection, and operates at 50kHz switching frequency, making it ideal for industrial, telecom, and consumer power supply designs requiring long-term reliability and compliance.

Key Features & Benefits

  • Integrated 650V Power MOSFET - Reduces component count and board space
  • Comprehensive Protection - Current limiting, over-load, over-temperature, and over-voltage safeguards
  • Wide Operating Range - 8V to 20V supply voltage, -25°C to 85°C ambient temperature
  • High Efficiency Flyback Topology - 77% duty cycle, 50kHz switching frequency
  • Surface Mount 8-LSOP Package - Compact footprint for space-constrained designs
  • RoHS Compliant - Meets environmental and regulatory standards

Typical Applications

  • AC-DC adapters and chargers
  • Auxiliary power supplies
  • Industrial control systems
  • Telecom and networking equipment
  • Home appliances and consumer electronics

Authorized Distributor - We provide 100% traceable, genuine onsemi components with full manufacturer documentation and long lifecycle support for aerospace, automotive, industrial, medical, and telecom applications.

Product attributes Property Value
Manufacturer onsemi
Product Series FPS™
Packaging Tube |
Output Isolation Isolated
Internal Switch(s) Yes
Voltage - Breakdown 650V
Topology Flyback
Voltage - Start Up 12 V
Voltage - Supply (Vcc/Vdd) 8V ~ 20V
Duty Cycle 77%
Frequency - Switching 50kHz
Power (Watts) 23 W
Fault Protection Current Limiting, Over Load, Over Temperature, Over Voltage
Control Features -
Operating Temperature -25°C ~ 85°C (TA)
Grade -
Qualification -
Mounting Type Surface Mount
Package / Case 8-SMD, Gull Wing
Supplier Device Package 8-LSOP