• Home
  • Product Technology

Product Technology

The widest range in the semiconductor industry

AccuPower™ Load Switches

Need your design to handle higher input voltages while meeting higher efficiency requirements utilizing less board space? Need it done fast? AccuPower™ will handle a voltage range up to 36V while maintaining efficiency, and delivering a drop-in integrated solution, requiring less space and less time to design in.

AccuPower™ Load Switches Overview

Analog Switches

Fairchild is the premier supplier for switch products for use in portable and consumer applications. Our Analog, Audio, Video and USB switches are used to minimize redundant circuitry, eliminate connectors, allow for design flexibility in feature offerings and to save space in your design.

Analog Switches Overview

Audio Switches

Fairchild's audio switches offer various levels of On Resistance (as low as 0.35ohms), small scale packaging (as small as 1.45mm sqd) and are available in the most common switch configurations. All are designed to minimize THD, leakage current and crosstalk while maximizing ESD and Off Isolation.

Audio Switches Overview

Bus Switches

Fairchild Switch is a family of low-impedance bus switch, bus exchange, multiplexer/de-multiplexer and analog switches that provide high-speed switching. The low "ON" resistance of these FET switches allow inputs to be connected to outputs without adding propagation delay or generating additional ground bounce noise. Fairchild switches are ideal for high-speed, bidirectional interfaces between mixed-supply buses, and in applications requiring isolation and protection.

Bus Switches Overview

Camera Switches

A camera switch portfolio that solves compelling design challenges for designers of 3G smart phones, cell phones, set-top boxes, security cameras and notebooks.

Camera Switches Overview


Fairchild Semiconductor's DrMOS, the FDMFxxxx Series, is a complete family of fully optimized, integrated FET plus Driver multi-chip power stage modules designed for multiple synchronous Buck converter applications.

DrMOS Overview

Dual Cool™ Packaging

The Dual Cool package is a top-side cooling PQFN device that incorporates new packaging technology which enables additional power dissipation through the top of the package resulting in more than 60 percent higher power dissipation capability than standard PQFN packaging when a heat sink is mounted.

Dual Cool™ Packaging Overview

Extended Temperature Family of Mid-Voltage MOSFETs

Fairchild's family of mid-voltage MOSFETs provides extended temperatures up to 175°C Tj and wide voltage ranges from 30 V to 150 V, plus best-in-class RDS(ON) for greater flexibility and higher reliability for your design.

Extended Temperature Mid-Voltage MOSFETs Overview

FHR1200 - Improved Shunt Regulator

The FHR1200 offers greatly expanded specifications versus that of the LM431. This includes: much wider operating temperature and voltage range, and the ability to directly drive a power supply controller unlike the LM431. Finally, the FHR1200 has much lower operating current for those applications where low Standby Power is important.

FHR1200 - Improved Shunt Regulator Overview

Flyback Converter

Find the controller that offers the optimum combination of standby power and operating efficiency for popular power levels with this reference chart.

Flyback Converter Overview

GreenBridge Quad-MOSFET Solutions

GreenBridge active bridge quad-MOSFETs lower conduction losses and improve power conversion efficiency in a smaller form factor for high-power PoE applications.

GreenBridge Overview

High-Efficiency Point-of-Load Regulators

Fairchild's High-Efficiency Point-of-Load Regulators family provides higher system efficiency, which helps system designers meet tough energy standards and improve battery life while reducing total cost of ownership.

High-Efficiency Point-of-Load Regulators Overview

Highly Integrated Digital Transistors

Fairchild’s family of highly integrated digital transistors offer industry's smallest form factor packaging for performance and space saving benefits in portable applications.

Highly Integrated Digital Transistors Overview

High-Voltage Solutions

Fairchild’s broad high-voltage power portfolio leads the industry in high-power motor control, energy, and power supplies in consumer and industrial applications. Our high-voltage products are optimized for highest efficiency, performance, and reliability.

High-Voltage Overview

IntelliMAX™ Load Switches

Fairchild's IntelliMAX™, a family of advanced load management switches, offers the unique combination of protections, control, and fault monitoring features. Utilizing Fairchild's advanced packaging technology, smallest package solutions in the market are available in WL-CSP, MLP, SOT-23 and SC-70. They are also lead free (Pb-free) and are RoHS/green compliant products.

IntelliMAX™ Load Switches Overview

Interleaved PFC Controllers

Intelligent Interleaved Control that enables Unparalleled Performance, Converter Protection and Design Benefits

Interleaved PFC Controllers Overview

LED Direct AC Drive Solutions

Although lighting system developers have been moving to solid-state lighting solutions, they have needed to use expensive light engines combining LEDs with switch mode power supply (SMPS) technology. Customers want smaller and low-cost solutions that are easier to implement.

LED Direct AC Drive Solutions Overview

Low-Side Gate Drivers

The FAN31xx and FAN32xx series of high-speed, low-side gate drivers offers flexibility for power supply designs, providing a wide selection of performance and packaging combinations to create compact, highly efficient and reliable power supplies.

Low-Side Gate Drivers Overview

MDBxS Bridge Rectifiers

To address today's ever-present need to improve power supply efficiency and reliability, Fairchild designed the MDBxS family of rectifiers to deliver best-in-class efficiency and performance in an impressively small form factor. The MDBxS family of rectifiers offers designers an industry-leading balance of efficiency, size and cost—achieving VF of 0.935V Typ. at 1A 25 °C, and a VF of 1.165 V Typ. at 5A 25 °C. These lower VF values offer roughly a 5% efficiency improvement over measured competitive equivalent form factor devices, resulting in cooler and more efficient power supply operation.

MDBxS Bridge Rectifiers Overview


MOSFETs - Fairchild invented trench MOSFETs in the 1990’s. Since then we have been perfecting MOSFET technology and manufacturing to develop a large portfolio of thousands of products for any application. Fairchild’s MOSFETs deliver best-in-class performance, high FOM (figure of merit), and pin-to-pin compatibility for ease of use. Designers continue to choose our MOSFETs for high quality and reliability, design support and consistent availability.


Motion SPM® Smart Power Modules

Motion SPM® modules integrate drive and protection circuitry into a single package. Simplify and accelerate your design as you optimize efficiency. These devices are sometimes referred to as Intelligent Power Modules (IPM) by the market.

Motion SPM® Smart Power Modules Overview

Multimedia Switch ICs

Fairchild's multimedia switches are ideal in applications sharing a USB port with audio and video applications. Fairchild's latest multimedia switch, the FSA9280A, enables a single, multimedia port for all Audio, USB data, UART and charger connectivity.

Multimedia Switch ICs Overview

mWSaver® Technology

mWSaver Technology combines our most energy efficient process and circuit technologies for power adapter design into a unique group of components.

mWSaver® Technology Overview

Power Stage MOSFETs

As requirements expand to provide more functionally in end systems, power engineers are being challenged with providing higher current output in less board area. The FDMS36xx family of Power Stage Dual Asymmetric MOSFETs provide higher current output and reduce your power supply area.

Power Stage MOSFETs Overview

PowerTrench® MOSFETs

100V, 150V PowerTrench® MOSFETs, Fairchild's the latest medium voltage power MOSFETs, is optimized power switches combining small gate charge(QG), small reverse recovery charge(Qrr) and soft reverse recovery body diode, which contributes fast switching for synchronous rectification in AC/DC power supplies. The latest 100V, 150V PowerTrench® MOSFETs, employ shielded-gate structure that provides charge balance.

PowerTrench® MOSFETs Overview

S1x Rectifiers

Among standard rectifiers, Fairchild Semiconductor's S1 family of 1A, P-I-N, SMA rectifiers stands out for its optimized low leakage, low capacitance, and fast response time. This performance was achieved while maintaining the industry-standard VF max of 1.1 V at 1A and a 30A surge rating. In today's world, where system power efficiency is a critical differentiating feature, the advantages of the S1x family of rectifiers can be leveraged to support those higher efficiency goals.

S1x Rectifiers Overview

Smart Power Stage

The smart power stage (SPS) module family is a next-generation, ultra-compact, integrated MOSFET plus driver power stage solution. This family leverages Fairchild’s DrMOS expertise to deliver high efficiency, high power density and high switching frequency in applications such as synchronous buck DC-DC converters in high-performance computing and telecom.

Smart Power Stage Overview


Fairchild's SuperFET MOSFET family uses Super Junction Technology for its high-voltage power MOSFET portfolio. With this technology, Fairchild provides best-in-class robust body diode performance in high-end, AC-DC SMPS applications.

SuperFET® MOSEFTs Overview


Fairchild brings designers of power supplies, lighting, display and industrial applications a new generation of 600V Super-Junction MOSFETs — SupreMOS®. The combination of their low RDS(ON) and total gate charge brings a 40 percent lower Figure of Merit (FOM) compared to Fairchild's 600V SuperFET™ MOSFETs. In addition, the SupreMOS family offers a low gate charge for the same RDS(ON), providing excellent switching performance and delivering 20 percent less switching and conduction losses, resulting in higher efficiency.

SupreMOS® MOSFETs Overview

TinyLogic® Devices

Fairchild's TinyLogic® family consists of a broad spectrum of high speed, low power, CMOS single and dual gate logic functions in a choice of seven space saving packages.

TinyLogic® Devices Overview

Ultra FRFET™

Ultra FRFET™ family - optimizes designs by providing best-in-class reverse recovery time (trr) of 35 ns ~ 65 ns and the industry's smallest reverse recovery current (1.8 A ~ 3.1 A). Some inverter applications use MOSFETs with two fast recovery diodes (FRDs) and two blocking diodes in a half-bridge circuit to initiate the non-zero voltage switching.

Ultra FRFET™ Overview


UniFET™ MOSFET is Fairchild Semiconductor's high voltage MOSFET family based on advanced planar stripe and DMOS technology. This advanced MOSFET family has the smallest on-state resistance among the planar MOSFETs, and also provides superior switching performance and higher avalanche energy strength. In addition, internal gate-source ESD diode allows UniFET II MOSFET to withstand over 2 kV HBM surge stress.

UniFET™ MOSFETs Overview

USB Solutions

Fairchild offers a wide portfolio of small, low-power USB products to help to maximize the functionality of a USB port from switching to detection and protection. Our product solutions support the latest standards for data exchange and charging, as well as other accessory functions such as audio, high-definition video, and other custom USB accessories. Offered as stand-alone functions or as fully integrated solutions, these products provide flexibility for any application.

USB Solutions Overview

Video Switches

Fairchild switches are often used in Set-top Box, DVD and DVR applications to multiplex between source inputs or to isolate circuitry for hot insertion. These switches feature wide bandwidth (up to 1GHz), high off-isolation, low crosstalk, and low power consumption. Our video switches are designed to switch either RGB or YPbPr signals without interference.

Video Switches Overview