Fairchild Manuals

The FSD146MRBN is an integrated Pulse Width Modulation (PWM) controller and SenseFET designed for offline Switch-Mode Power Supplies (SMPS) with minimal external components. It features low standby power, low audible noise, low EMI, various protection functions, low operating current, internal startup circuit, internal high-voltage SenseFET, built-in soft-start, and auto-restart mode.

The FSCQ-Series is a green mode Fairchild power switch optimized for quasi-resonant converters (QRC) and pulse width modulation control. It features low standby power consumption, over load protection, over voltage protection, abnormal over current protection, internal thermal shutdown, etc.

This document is the Green Mode Fairchild Power Switch (FPS™) product manual released by Fairchild Semiconductor Corporation.

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.

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 document introduces the design guidelines for off-line forward converter using FPS

This application note explains the major sources of audible noise and offers useful tips to engineers to solve the audible noise problem in their Fairchild Power Switch (FPS) applications.

Provide solution guidance to help engineers quickly locate problems and provide useful application tips

AN4140 introduces the design considerations of flyback switch power supply transformers, including choosing the right core, determining the current ratio and inductance, calculating switching losses and leakage inductance, determining the gap, designing the primary winding, and designing the secondary winding.

This document describes the method of applying Fairchild Power Switch (FPSTM) FSBH series to standby auxiliary power supply. The FSBH series consists of an integrated pulse width modulator and a 700V SenseFET, designed for high-performance offline switch-mode power supplies. The product features a green-mode function and low power consumption to meet stringent standby power regulations.

This is an application note released by Fairchild Semiconductor Corporation about the use of Fairchild Power Switch (FPS™) products.

This paper presents practical design guidelines for off-line flyback converters using Fairchild Power Switch (FPS). The step-by-step design procedure described in this paper helps engineers to design switched mode power supply (SMPS) easily. In order to make the design process more efficient, a software design tool called FPS design assistant that contains all the equations described in this paper is also provided. The design procedure is verified through experimental prototype converter.

This document is a technical manual on Fairchild Power Switch (FPS). FPS is an AC-DC conversion design assistant that helps users design and optimize SMPS. FPS can automatically generate high-quality SMPS designs based on input voltage and current, load voltage and current, switching frequency, power factor, efficiency, and other parameters.