KA5M0365R ,Fairchild Power Switch (FPS) ,TO-220F-4L, 650V Drain-Source Voltage

he KA5M0365R series from Fairchild Semiconductor is a power switch family optimized for off-line SMPS (Switched Mode Power Supply) applications. It integrates a high-voltage SenseFET and a current-mode PWM controller into one chip, reducing the total component count.

With features such as pulse-by-pulse current limiting, over-current protection, and internal thermal shutdown, this series ensures maximum efficiency and protection. The TO-220F-4L package type offers ease of mounting and effective heat dissipation, making it ideal for compact power designs.

Key Features :

• Precision Fixed Operating Frequency: 100kHz/67kHz.
• Low Start-up Current: Typically 100µA.
• Pulse by Pulse Current Limiting: For enhanced safety and performance.
• Over Voltage Protection: 25V maximum for safety.
• Internal Thermal Shutdown: Prevents overheating and damage.
• Internal High Voltage Sense FET: Combines a high-voltage power FET and a current-mode PWM controller.