Fairchild FSL1X7 Manuals

This application note introduces Fairchild Power Switch™ (FPS™) FSL-1x7 series of high-integration current-mode PWM controller, which features high voltage 700V sense FET, can provide high performance, high reliability and low cost solutions for various small power switch power supply applications. This application note details the FSL-1x7's various functional modules, including start-up circuit, soft start circuit, over current protection circuit, over voltage protection circuit, over temperature protection circuit and harmonic suppression circuit.

This application note describes the application of Fairchild Power Switch (FPS™) FSL1x7 in low-power supplies. It includes external components minimization, green mode, peak-current-mode control, open-loop/overload protection, over-voltage protection and over-temperature protection.