Fairchild RC5051, RC5050 specifications Appendix a, Directory of Component Suppliers

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APPLICATION NOTE

AN50

 

 

Appendix A

Directory of Component Suppliers

Dale Electronics, Inc.

E. Hwy. 50, PO Box 180

Yankton, SD 57078-0180

PH: (605) 665-9301

Fuji Electric

Collmer Semiconductor Inc.

14368 Proton Rd.

Dallas, Texas 75244

PH: (214)233-1589

General Instrument

Power Semiconductor Division

10 Melville Park Road

Melville, NY 11747

PH: (516) 847-3000

Hoskins Manufacturing Co.

(Copel Resistor Wire)

10776 Hall Road

Hamburg, MI 48139-0218

PH: (313) 231-1900

Intel Corp.

5200 NE Elam Young Pkwy. Hillsboro, OR. 97123

PH: (800) 843-4481 Tech. Support for Power Validator

International Rectifier

233 Kansas St.

El Segundo, CA 90245

PH: (310) 322-3331

IRC Inc.

PO Box 1860

Boone, NC 28607

PH: (704) 264-8861

Motorola Semiconductors

PO Box 20912

Phoenix, Arizona 85036

PH:(602) 897-5056

National Semiconductor

2900 Semiconductor Drive

Santa Clara, CA 95052-8090

PH: (800) 272-9959

Nihon Inter Electronics Corp.

Quantum Marketing Int’l, Inc.

12900 Rolling Oaks Rd.

Caliente, CA 93518

PH: (805) 867-2555

Panasonic Industrial Co.

6550 Katella Avenue

Cypress, CA 90630

PH: (714) 373-7366

Pulse Engineering

12220 World Trade Drive

San Diego, CA 92128

PH: (619) 674-8100

Sanyo Energy USA

2001 Sanyo Avenue

San Diego, CA 92173

PH: (619) 661-6620

Siliconix

Temic Semiconductors

2201 Laurelwood Road

Santa Clara, CA 95056-1595

PH: (800) 554-5565

Sumida Electric USA

5999 New Wilke Road Suite #110

Rolling Meadows, IL 60008

PH: (708) 956-0702

Xicon Capacitors

PO Box 170537

Arlington, Texas 76003

PH:(800) 628-0544

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Contents Introduction Intel Pentium Pro Processor Power RequirementsOutput Voltage Programming Codes Output Ripple and NoiseEfficiency Processor Voltage IdentificationRC5050 and RC5051 Description Internal Voltage Reference Power Good PwrgdOutput Enable Outen Upgrade Present UP#Oscillator Design Considerations and Component SelectionShort Circuit Protection RC5051 Mosfet Selection Table Mosfet Selection CosiderationsLess heat sink required Calculation of Converter Efficiency Under Heavy Loads Converter EfficiencyShort Circuit Comparator Selecting the InductorImplementing Short Circuit Protection RC5050 Short Circuit Comparator Threshold VoltageRsense for Various Load Currents Comparison of Sense ResistorsTotal Tolerance for PC Trace Resistor Summary PC Trace Resistor Tolerance16% For each Mosfet RC5050 and RC5051 Short Circuit Current CharacteristicsManufacturer Schottky Diode SelectionSchottky Diode Selection Table Output Filter CapacitorsBill of Materials for a 13A Pentium Pro Klamath Application Input FilterBill of Material ERJ-6ENF10.0KY PCB Layout Guidelines and ConsiderationsPCB Layout Guidelines ERJ-6GEY050YExample of a PC Motherboard Layout and Gerber File Performance Evaluation ProceduresGuidelines for Debugging and Performance Evaluations Debugging Your First Design Implementation486 11010 505 504 501 496 493 492 491 490989 488Device Description Case TemperatureEvaluation Summary Iload = 13.9AApplication Note RC5050 Evaluation Board SummaryDirectory of Component Suppliers Appendix aLife Support Policy