Overview
Fairchild Semiconductor specializes in energy-efficient power solutions, including power analog, power discrete, and optoelectronic products. These solutions are designed to enhance efficiency, simplify system design, reduce board space, improve reliability, and accelerate time-to-market in applications such as power adapters, power supplies, lighting, computers, industrial controls, and home appliances.
Power Management ICs
This section details various power management integrated circuits (ICs) such as Power Factor Correction (PFC) controllers, DC-DC controllers, and power drivers. PFC controllers are available in standalone and combo versions, supporting both Boundary Conduction Mode (BCM) and Continuous Conduction Mode (CCM) to minimize system noise and synchronize with downstream converters.
Power SemiconductorsFairchild offers a range of power semiconductors including diodes, rectifiers, integrated power solutions, and
transistors, designed for high efficiency and reliability in power supply applications.
Optoelectronics
The optoelectronics section includes optocouplers for isolating different circuit sections to improve safety and performance.
Global Power Resource
Fairchild provides extensive design support through its Global Power Resource, which includes online tools, field application engineers (FAEs), and regional centers staffed by experienced power engineers.
Design Examples
The document provides design examples for various power supply configurations, such as single output buck converters, dual output SEPIC converters, and multi-phase high-current DC-DC power supplies.
Key Features and Benefits
Fairchild's products are optimized for high efficiency and low electromagnetic interference (EMI) through techniques like valley switching and advanced burst-mode operation, helping meet international energy regulation requirements and reduce standby power consumption.
Low-Side Gate Drivers
Features include industry-smallest packages, CMOS or TTL input thresholds, and dual-input channels, designed for efficiency with short time delays and rugged specifications.
Synchronous Rectifier Controller & Driver
The SG6203 controls and drives synchronous rectifiers in flyback converters, featuring automatic dead time tracking and a wide supply voltage range.
Synchronous Buck/Multi-Phase Drivers
Dual high-frequency MOSFET drivers for synchronous-rectified buck converters, featuring adaptive shoot-through protection and fast switching times.
Supervisory ICs
Provide voltage and current supervision, remote on/off functions, and fault protection for power systems, with programmable over-temperature protection.
Voltage Regulators
Include LDOs and shunt regulators with programmable output voltages, low output noise, and fast turn-on times.
Rectifiers
Designed for fast reverse recovery and soft recovery characteristics, reducing MOSFET switching losses and EMI.
Integrated Power Solutions
The FDMFxxxx series offers integrated driver plus MOSFET power stage solutions for high current synchronous buck converters.
IntelliMAX™ Load Switches
Advanced load switches that reduce board space and complexity, featuring protection, control, and fault monitoring.
FDMS96xx Series
Integrates high-side and low-side n-Channel MOSFETs with a Schottky diode, optimized for synchronous buck designs.
Synchronous Rectification Module (Power-SPM)
Designed for compact and efficient synchronous rectification applications, featuring low RDS(ON) MOSFETs and a robust gate driver.
High Voltage MOSFETs
Offer low on-resistance and gate charge for improved efficiency, suitable for applications like lighting ballasts and power supplies.
IGBTs
Optimized for switch mode power supplies, offering low saturation voltage and reduced switching losses.
Packaging Technology
Highlights various packaging solutions emphasizing low thermal resistance and compact dimensions.
Conclusion
Fairchild Semiconductor provides a comprehensive range of power solutions focused on efficiency, compact design, and ease of integration for high-performance applications.
Design Examples and Applications- 25W Single Output Flyback: Uses FSQ0365 Fairchild Power Switch, suitable for set-top boxes and home audio power supplies.
- 70W Output LLC Resonant Converter: Utilizes FSFR2100 LLC resonant regulator for industrial applications.
- 120W CCM PFC Flyback Power Supply: Employs SG6902 controller for LCD TVs and high-power adaptors.
- DDR3 Memory Power Supply: Provides power for DDR1, DDR2, or DDR3 applications with FAN5236 controller.
- Multi-Output DC-DC Power Supply: Designed for consumer devices using FAN5026 dual controllers.
- Multi-Phase High-Current DC-DC Power Supply: High-performance supply for computing and communication systems with FAN5182 controller.
- Multiple Voltage Solution for FPGAs: Supports FPGA supply needs with TinyBuckTM integrated regulators.
Application Notes & Evaluation Boards- Provide design guidelines and troubleshooting tips for power factor correction, flyback converters, and resonant converters.
- Evaluation boards highlight high-efficiency converters and regulators for LED drivers and power supplies.