Industrial

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.

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

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.

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

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.

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

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.

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.

This document is the Fairchild Semiconductor Corporation's FSD156MRBN datasheet, which introduces the features and characteristics of this product.

The FSD176MRT is a green-mode Fairchild Power Switch (FPS™) from Fairchild Semiconductor Corporation. It features various protection functions such as overload protection, over-voltage protection, abnormal over-current protection, internal thermal shutdown, output-short protection and under-voltage lockout. Its rated voltage is 650V and its operating current is 0.4mA.

FSDM311A is a green mode Fairchild power switch with features including internal avalanche-rugged SenseFET, precision fixed operating frequency, advanced burst-mode operation, internal start-up circuit, pulse-by-pulse current limiting, over-voltage protection, overload protection, internal thermal shutdown function, auto-restart mode, under-voltage lockout with hysteresis, and built-in soft-start secondary-side regulation.

This document describes the features and characteristics of the FSFM260N / FSFM261N / FSFM300N Green-Mode Fairchild Power Switch (FPS™) products, including internal avalanche-rugged SenseFET, advanced burst-mode operation, precision fixed operating frequency, internal startup circuit, over-voltage protection, overload protection, internal thermal shutdown function, abnormal over-current protection, auto-restart mode, under-voltage lockout, and built-in soft-start.