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User's Guide
UCC28517 EVM
User's Guide

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Summary of Contents for Texas Instruments UCC28517

  • Page 1 User’s Guide UCC28517 EVM User’s Guide...
  • Page 2 TI product or service and is an unfair and deceptive business practice. TI is not responsible or liable for any such statements. Following are URLs where you can obtain information on other Texas Instruments products and application solutions:...
  • Page 3 EVM User’s Guide. When placing measurement probes near these devices during operation, please be aware that these devices may be very warm to the touch. Mailing Address: Texas Instruments Post Office Box 655303 Dallas, Texas 75265 Copyright  2003, Texas Instruments Incorporated...
  • Page 4: Table Of Contents

    ............Introduction The UCC28517 module is a 100-W offline ac-to-dc voltage converter with power factor correction (PFC). The prototype was designed to show how the UCC28517 could be configured to control two dc-regulated outputs offline with one control integrated circuit.
  • Page 5: Schematic

    SLUU117C − September 2002 − Revised July 2003 Schematic The schematic is broken up into three sections to make it more legible for the user. Figure 1. Section A Figure 2. Section B UCC28517 EVM...
  • Page 6 SLUU117C − September 2002 − Revised July 2003 Figure 3. Section C UCC28517 EVM...
  • Page 7: List Of Materials

    6 A, 250 V, 3AG 1.25”x.25” FH1, FH2 3AG, for 1.25”x.25” Cooper Electronic 1A1907−06 Technologies Heat Sink Aavid 513201B02500 Aavid 573300D00010 Aavid 579302 B 0 00 00 Inductor Coupled, 1.7 mH, 2.5 A Cooper Electronic CTX08−14730 Technologies Bare Bd UCC28517 UCC28517 EVM...
  • Page 8 X2 at Q1 #6X32 (steel) Washer X3 at Q1 Split lock, #6(steel) X4 at Q1 Flat #6 (steel) X6 at Q1 Nylon shoulder, #6 Screw X5 at Q1 Pan head #6−32X7/16 (steel) Posts AC_L,AC_H, Binding Johnson 111−0701−001 OUTA+,OUTA−, OUTB+,OUTB− UCC28517 EVM...
  • Page 9: Reference Design Layout

    SLUU117C − September 2002 − Revised July 2003 Reference Design Layout Figure 4. Silkscreen Layer 1 Figure 5. Top View UCC28517 EVM...
  • Page 10: Electrical Characteristics

    SLUU117C − September 2002 − Revised July 2003 Figure 6. Bottom View Electrical Characteristics UNITS V IN V RMS Output A Output B 11.4 12.6 Output A Efficiency Output B Efficiency P OUT A P OUT B Output Ripple A Output Ripple B UCC28517 EVM...
  • Page 11: Reference Design Performance

    V IN = 265 V 0.95 V IN = 85 V V IN = 175 V 0.90 V IN = 85 V 0.85 P OUT − Output Power − W P OUT − Output Power − W Figure 9 Figure 10 UCC28517 EVM...
  • Page 12 TI product or service and is an unfair and deceptive business practice. TI is not responsible or liable for any such statements. Following are URLs where you can obtain information on other Texas Instruments products and application solutions:...
  • Page 13 Mouser Electronics Authorized Distributor Click to View Pricing, Inventory, Delivery & Lifecycle Information: Texas Instruments UCC28517EVM...