The Fairchild/ON Semiconductor KA5H0165RTU is a flyback topology switching regulator integrated circuit designed and manufactured by Fairchild/ON Semiconductor.

• Breakdown voltage: 650V
• Startup voltage: 15V
• Duty cycle: 67%
• Features: The internal switches make it easier to use
• Fault protection features: current limiting, over load, over temperature, and over voltage protection
• Mounting: through-hole mountable
• Package: TO-220F-4L package
• Supply voltage range: 8.8V to 30V
• Operating temperature: ranging from -25°C to 85°C
• Usage: commonly used and has a high popularity in the market