3S1265R PDF datasheet can download.
This product has KA3S1265R functions.
This is one of the semiconductor types. This part name is 3S1265R.
Manufacturers of the product is Fairchild Semiconductor.
Image and pinout :
Some of the text files within the PDF file
www.fairchildsemi.com KA3S1265R/KA3S1265RF/ KA3S1265RD Fairchild Power Switch(FPS) Features • • • • • • • • • Wide operatimg frequency range up to (150kHz) Pulse by pulse over current limiting Over load protection Over voltage protecton (Min. 23V) Internal thermal shutdown function Under voltage lockout Internal high voltage sense FET External sync terminal Auto Restart Mode
The Fairchild Power Switch(FPS) product family is specially designed for an off line SMPS with minimal external components. The Fairchild Power Switch(FPS) consist of high voltage power SenseFET and current mode PWM IC. Included control IC features a trimmed oscillator, under voltage lock-out, leading edge blanking, optimized gate turn-on/turn-off driver, thermal shut down protection, over voltage protection, temperature compensated precision current sources for loop compensation and fault protection circuit. compared to discrete MOSFET and controller or RCC switching converter solut [ … ]
Please refer to the file for details.