Fairchild RC5040 PC Motherboard Layout and Gerber File, Example of Proper MOSFETs Placements

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Figure 16. Example of Proper MOSFETs Placements

PC Motherboard Layout and Gerber File

A reference design for motherboard implementation of the RC5040 and RC5042 along with the Layout Gerber File and Silk Screen are presented below. The actual PCAD Gerber

File can be obtained from Raytheon Electronics Semicon- ductor Division’s Marketing Department at (415) 966-7819.

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Contents Introduction Pentium Pro DC Power RequirementsInput Voltages DC Voltage RegulationEfficiency Output Ripple and NoiseProcessor Voltage Identification ControlsRC5040 and RC5042 Controllers RC5040 and RC5042 DescriptionSimple Step-Down Converter Output Enable Outen Power Good PwrgdUpgrade Present UP# Main Control LoopOver-Voltage Protection Design Considerations and Component SelectionShort Circuit Protection OscillatorRC5042 Two MOSFETs in Parallel Mosfet SelectionThermal Conditions1 Manufacturer & Model # Typ MaxMosfet Gate Bias Charge Pump or BootstrapConverter Efficiency Short Circuit Comparator Selecting the InductorImplementing Short Circuit Protection Description Discrete MetalResistor IRC Resistor= 2000mi Resistor mΩ⋅ .2 = 0.74W RC5040 and RC5042 Short Circuit Current CharacteristicsFor each Mosfet Schottky Diode Selection Output Filter Capacitors Schottky Diode Selection TableInput filter Bill of MaterialsPCB Layout Guidelines PCB Layout Guidelines and ConsiderationsMotorola Shottky Diode 320-6110PC Motherboard Layout and Gerber File Example of Proper MOSFETs PlacementsApplication Note Debugging Your First Design Implementation TroubleshootingGuidelines for Debugging and Performance Evaluations Vout Performance Evaluation+ 80.0mV Iload =13.9A Device DescriptionRC5040/RC5042 Evaluation Board SummaryLife Support Policy Appendix a Directory of Component Suppliers

RC5040, RC5042 specifications

The Fairchild RC5042 and RC5040 are versatile integrated circuits that stand out in the realm of high-performance analog applications. Designed to meet the demands of modern electronic systems, these devices integrate various features and technologies that contribute to their effectiveness in a multitude of applications.

The RC5040 is a precision voltage reference that offers a stable, low-noise output, making it ideal for applications such as instrumentation, data acquisition systems, and RF circuits. It boasts an operating temperature range of -40°C to +85°C, ensuring reliability in diverse environments. One of its most significant characteristics is its low-temperature drift, which minimizes variations in output voltage over temperature fluctuations, thereby enhancing the accuracy of devices that utilize it.

On the other hand, the RC5042 is designed as a high-speed comparator with an integrated voltage reference. This dual functionality allows for a more compact design in applications where space is a premium. The RC5042 features an ultra-fast response time and high input impedance, which contribute to its capability to handle rapidly changing signals without distortion. This makes it particularly useful in applications like analog signal processing and threshold detection.

Both devices utilize Fairchild's advanced BiCMOS technology, which combines the benefits of bipolar and CMOS processes. This technology allows the devices to operate with low power consumption while maintaining high speed and operational efficiency. The RC5042 and RC5040 also incorporate noise-reduction techniques, which help in minimizing unwanted disturbances that could impact circuit performance.

Another noteworthy characteristic of both the RC5040 and RC5042 is their ease of integration. They come in compact package sizes, making them easier to incorporate into various designs without compromising on performance. Furthermore, the availability of multiple output options allows engineers the flexibility to choose configurations that best suit their specific applications.

In conclusion, the Fairchild RC5042 and RC5040 are robust devices that offer essential functionality for various high-performance analog applications. With their precision, fast response time, and exceptional reliability, these integrated circuits are a valuable asset in the design of modern electronic systems, catering to the growing demands of the technology landscape.