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STMicroelectronics L6565D Flyback Offline Switching Controller

The L6565D from STMicroelectronics is a high-performance isolated flyback controller designed for AC/DC offline switching power supply applications. This advanced controller IC delivers reliable power conversion with integrated current limiting fault protection, making it ideal for industrial, telecom, and consumer electronics applications requiring robust power management.

Key Features & Benefits

  • Isolated Flyback Topology - Provides galvanic isolation between input and output for enhanced safety
  • Wide Supply Voltage Range - Operates from 10.3V to 18V with 13.5V startup voltage
  • Extended Temperature Range - Rated for -40°C to 150°C junction temperature for harsh environments
  • Current Limiting Protection - Built-in fault protection safeguards against overcurrent conditions
  • Compact Surface Mount Package - 8-SOIC (3.90mm width) for space-efficient PCB designs
  • RoHS Compliant - Meets environmental standards for lead-free manufacturing

Applications

  • AC/DC offline power supplies
  • Battery chargers and adapters
  • Industrial control systems
  • Telecom and networking equipment
  • Consumer electronics power management

All specifications are subject to change without notice. Please refer to the official datasheet for complete technical details and application guidelines.


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  • AC DC Converters, Offline Switchers - Browse our complete selection of AC/DC converter ICs and offline switching controllers for power supply applications
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Why Choose HQICKEY? We specialize in providing high-reliability semiconductor components with full traceability, RoHS/REACH compliance, and comprehensive technical support for your critical applications.

Product attributes Property Value
Manufacturer STMicroelectronics
Product Series
Packaging Tube |
Output Isolation Isolated
Internal Switch(s) No
Voltage - Breakdown -
Topology Flyback
Voltage - Start Up 13.5 V
Voltage - Supply (Vcc/Vdd) 10.3V ~ 18V
Duty Cycle -
Frequency - Switching -
Power (Watts) -
Fault Protection Current Limiting
Control Features -
Operating Temperature -40°C ~ 150°C (TJ)
Grade -
Qualification -
Mounting Type Surface Mount
Package / Case 8-SOIC (0.154", 3.90mm Width)
Supplier Device Package 8-SOIC
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