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UCC3882-1 Datasheet(PDF) 10 Page - Texas Instruments |
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UCC3882-1 Datasheet(HTML) 10 Page - Texas Instruments |
10 / 14 page 10 UCC2882/-1 UCC3882/-1 Demonstration Kit Design and Performance A demonstration circuit was built based on the UCC3882 and utilizing an Intel VRM 8.1 form factor connector. The schematic is shown in Figure 9 and the Bill of Materials in Table 3. The circuit is configured for the following oper- ating parameters: • Switching Frequency = 225kHz • Rated Output Current = 15A • Short Circuit Current = 17A Nominal • Output Voltage: 1.8V to 2.8V Configured by VID Code • Airflow: 100 LFM • Temperature: 0 to 60°C • Regulation: Per Intel VRM 8.1 DC-DC Converter Design Guidelines Figures 12 - 14 show the performance of the circuit. APPLICATION INFORMATION (continued) REF DESCRIPTION PACKAGE U1 Unitrode UCC3882 DAC/PWM SOIC-28 WIDE C01 Sanyo 6MV1500GX, 1500 µF, 6.3V, Aluminum Electrolytic 10x20mm Radial Can C02 Sanyo 6MV1500GX, 1500 µF, 6.3V, Aluminum Electrolytic 10x20mm Radial Can C03 Sanyo 6MV1500GX, 1500 µF, 6.3V, Aluminum Electrolytic 10x20mm Radial Can C04 Sprague/Vishay 595D475X0016A2B, 4.7uF 16V Tantalum SPRAGUE Size A C05 Sanyo 6MV1500GX, 1500 µF, 6.3V, Aluminum Electrolytic 10x20mm Radial Can C06 Sanyo 6MV1500GX, 1500 µF, 6.3V, Aluminum Electrolytic 10x20mm Radial Can C07 Sanyo 6MV1500GX, 1500 µF, 6.3V, Aluminum Electrolytic 10x20mm Radial Can C08 Sanyo 6MV1500GX, 1500 µF, 6.3V, Aluminum Electrolytic 10x20mm Radial Can C09 Sanyo 6MV1500GX, 1500 µF, 6.3V, Aluminum Electrolytic 10x20mm Radial Can C10 0.10 µF Ceramic 1206 SMD C11 0.10 µF Ceramic 1206 SMD C12 0.01 µF Ceramic 0603 SMD C13 0.01 µF Ceramic 0603 SMD C14 0.01 µF Ceramic 0603 SMD C15 0.10 µF Ceramic 1206 SMD C17 68pF NPO Ceramic 0603 SMD C18 1000pF Ceramic 0603 SMD C19 220pF NPO Ceramic 0603 SMD C20 Sanyo 6MV1500GX, 1500 µF, 6.3V, Aluminum Electrolytic 10x20mm Radial Can CT 3900pF Ceramic 0603 SMD J1 AMP 532956-7 40 Pin Connector 40 Pin L1 Toroid T51-52C, 5 Turns #16AWG, 1.6 µH Toroid Q1 International Rectifier IRL3103, 30V, 56A TO-220AB, layed down Q2 International Rectifier IRL3103D1, 30V, 56A TO-220AB, layed down R01 5m Ω, PCB Resistor Copper Trace R02 10k Ω, 5%, 1/16 Watt 0603 SMD R03 5.62k Ω, 1%, 1/16 Watt 0603 SMD R05 365k Ω, 1%, 1/16 Watt 0603 SMD R06 100k Ω, 5%, 1/16 Watt 0603 SMD R07 5.6k Ω, 5%, 1/16 Watt 0603 SMD R08 10k Ω, 5%, 1/16 Watt 0603 SMD R09 3.3 Ω, 5%, 1/16 Watt 0603 SMD R10 3.3 Ω, 5%, 1/16 Watt 0603 SMD Table 3. Bill of materials. |
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