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Texas Instruments UCC28060EVM - page 1
1 Description 2 Thermal Requirements 3 Electrical Characteristics User's Guide SLUU280B – May 2007 – Revised July 2008 UCC28060EVM 300-W Interleaved PFC Pre-Regulator The UCC28060 is a dual-phase, transition-mode Power Factor Correction (PFC) pre-regulator. The UCC28060EVM is an evaluation module (EVM) with a 390-V, 300-W, dc output that o ...
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Texas Instruments UCC28060EVM - page 2
4 Schematics + + Schematics www.ti.com Figure 1 and Figure 2 show the schematics for this EVM. See the List of Materials for specific values. To evaluate inductor ripple currents, Jumpers JP8 and JP9 can be removed and replaced with current loops. Figure 1. Interleaved PFC Power Stage 2 UCC28060EVM 300-W Interleaved PFC Pre-Regulator SLUU280B – M ...
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Texas Instruments UCC28060EVM - page 3
+ www.ti.com Schematics Figure 2. Controller Circuitry SLUU280B – May 2007 – Revised July 2008 UCC28060EVM 300-W Interleaved PFC Pre-Regulator 3 Submit Documentation Feedback ...
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Texas Instruments UCC28060EVM - page 4
5 Test Setup and Power-Up/Power-Down Instructions Isolatio n Transformer 0 to 300W Load VM + 13V Bias S upply Test Setup and Power-Up/Power-Down Instructions www.ti.com WARNING There are high voltages present on the pre-regulator. It should only be handled by experienced power supply professionals. To evaluate this board as safely as possible, the ...
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Texas Instruments UCC28060EVM - page 5
6 Typical Performance Data E ff ici e ncy 90.0% 91.0% 92.0% 93.0% 94.0% 95.0% 96.0% 97.0% 98.0% 99.0% 100.0% 10% 20% 3 0% 40% 50% 6 0% 70% 80% 9 0% 100% % Outpu t Pow e r Efficiency (% ) E ff ice ncy at V in 85V R M S E ff ice ncy at V in = 265V R M S E ff ici e ncy a t V in = 11 5V RMS 91.0% 92.0% 93.0% 94.0% 95.0% 96.0% 97.0% 98.0% 10% 2 0% 30 % ...
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Texas Instruments UCC28060EVM - page 6
E ff ici e ncy a t V in = 23 0V RMS 85.0% 87.0% 89.0% 91.0% 93.0% 95.0% 97.0% 99.0% 10% 2 0% 30 % 40% 5 0% 60 % 70% 80% 90% 100 % % Output Pow e r Efficiency (%) With Phas e M anage m e n t Withou t Phas e Man age m e nt 1.40706 1.17256 0.93805 0.70354 0.46904 0.23453 0.00002 Amplitude(A) 0 6 12 18 24 30 36 42 48 HarmonicNo. V =230V IN RMS ...
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Texas Instruments UCC28060EVM - page 7
6.1 Output Ripple Voltage at Full Load 6.2 Input Ripple Current Cancellation www.ti.com Typical Performance Data Figure 8 illustrates the output ripple voltage. Figure 8. V OUT Ripple, P OUT = 300 W Figure 9 through Figure 14 show the input current (M 1 = I L1 + I L2 ), Inductor Ripple Current (I L1 , I L2 ) versus rectified line voltage. From thes ...
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Texas Instruments UCC28060EVM - page 8
Typical Performance Data www.ti.com Figure 11. Inductor and Input Ripple Current Figure 12. Inductor and Input Ripple Current at 265 V RMS Input at Peak Line Voltage at 265 V RMS Input at Half Peak Line Voltage Figure 13. Inductor and Input Ripple Current Figure 14. Inductor and Input Ripple Current at V IN = 85 V RMS , P OUT = 300 W at V IN = 265 ...
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Texas Instruments UCC28060EVM - page 9
6.3 Startup Characteristics 6.4 Brownout Protection www.ti.com Typical Performance Data Figure 15 and Figure 16 illustrate the UCC28060EVM startup characteristics. Figure 15. Start-Up at V IN = 85 V RMS , P OUT = Figure 16. Start-Up at V IN = 265 V RMS , P OUT = 0 350 W W The UCC28060 has a brownout protection that shuts down both gate drives (GDA ...
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Texas Instruments UCC28060EVM - page 10
6.5 Line Transient Typical Performance Data www.ti.com A line transient test was conducted with an ac source on the reference design. The line was varied from 230 V RMS to 115 V RMS to 230 V RMS and the transient response was evaluated in each case. From the oscilloscope image in Figure 19 , it can be observed that the output recovered from line tr ...
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Texas Instruments UCC28060EVM - page 11
7 Reference Design Assembly Drawing C3 C2 Outpu t 390V Maximum Load 0.77A 13 www.ti.com Reference Design Assembly Drawing Figure 20 and Figure 22 show the top and bottom layers (respectively) of the UCC28060EVM. Note: Board layouts are not to scale. These figures are intended to show how the board is laid out; they are not intended to be used for m ...
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Texas Instruments UCC28060EVM - page 12
13 C17 D2 Output 390V Maximum Load 0.77A JP8 JP9 8 List of Materials List of Materials www.ti.com Figure 22. Bottom Layer Assembly Table 2 lists the EVM components as configured according to the schematics (see Section 4 ). Table 2. List of Materials Qty RefDes Value Description Size Part Number MFR 4 AC_LINE, 3267 Connector, Banana Jack, Uninsulat ...
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Texas Instruments UCC28060EVM - page 13
www.ti.com List of Materials Table 2. List of Materials (continued) Qty RefDes Value Description Size Part Number MFR 1 JP1 923345-20-C Jumper, 1.600 inch length, PVC Insulation, 0.035in dia. Cut to Dimension 3M AWG 22 3 JP2, JP4, JP5 923345-20-C Jumper, 2.000 inch length, PVC Insulation, 0.035in dia. 923345-20-C 3M AWG 22 1 JP3 923345-06-C Jumper, ...
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Texas Instruments UCC28060EVM - page 14
EVALUATION BOARD/KIT IMPORTANT NOTICE Texas Instruments (TI) provides the enclosed product(s) under the following conditions: This evaluation board/kit is intended for use for ENGINEERING DEVELOPMENT, DEMONSTRATION, OR EVALUATION PURPOSES ONLY and is not considered by TI to be a finished end-product fit for general consumer use. Persons handling th ...
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Texas Instruments UCC28060EVM - page 15
IMPORTANT NOTICE Texas Instruments Incorporated and its subsidiaries (TI) reserve the right to make corrections, modifications, enhancements, improvements, and other changes to its products and services at any time and to discontinue any product or service without notice. Customers should obtain the latest relevant information before placing orders ...
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