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UCC28740EVM-525
Texas Instruments UCC28740EVM-525 Manuals
Manuals and User Guides for Texas Instruments UCC28740EVM-525. We have
1
Texas Instruments UCC28740EVM-525 manual available for free PDF download: User Manual
Texas Instruments UCC28740EVM-525 User Manual (32 pages)
Evaluation module
Brand:
Texas Instruments
| Category:
Control Unit
| Size: 1.47 MB
Table of Contents
Table of Contents
2
1 Introduction
4
2 Description
4
Typical Applications
4
Features
5
3 Electrical Performance Specifications
6
Table 1. UCC28740EVM-525 EVM-001 Electrical Performance Specifications
6
4 Schematic
7
Figure 1. UCC28740EVM-525 Schematic
7
5 Test Setup
8
Test Equipment
8
Recommended Test Setup
9
Figure 2. UCC28740EVM-525 Recommended Test Set up for No-Load Operation
9
List of Test Points
10
Figure 3. UCC28740EVM-525 Recommended Test Set up with Load
10
Table 2. Test Point Functional Description
10
Applying Power to the EVM
11
No-Load Power Consumption
11
Line/Load Regulation and Efficiency Measurement Procedure
11
Output Voltage Ripple
12
Equipment Shutdown
12
6 Performance Data and Typical Characteristic Curves
13
Efficiency
13
Figure 4. UCC28740EVM-525 Average Efficiency
13
Load Regulation
14
Figure 5. UCC28740EVM-525 Load Regulation
14
Line Regulation
15
No-Load Power Consumption
15
Figure 6. UCC28740EVM-525 Line Regulation
15
Figure 7. UCC28740EVM-525 No-Load Power Consumption
15
Output Voltage Vs Output Current
16
Figure 8. UCC28740EVM-525 Output Voltage as a Function of Load Current
16
Control Law
17
Figure 9. UCC28740EVM-525 Control Law Showing Switching Frequency as a Function of Load Current
17
Bode Plot
18
Figure 10. UCC28740EVM-525 Loop Response Gain and Phase
18
Transient Response
19
Figure 11. UCC28740EVM-525 Load Transient
19
Output Ripple
20
Figure 12. Output Ripple
20
Turn on Waveform
21
Figure 13. Output Voltage Turn on Waveform
21
Switching Waveform
22
Figure 14. Switching Waveform
22
EMI Dithering Waveform
23
7 EVM Assembly Drawing and PCB Layout
23
Figure 15. EMI Dithering Waveform
23
Figure 16. UCC28740EVM-525 Top Layer Assembly Drawing (Top View)
24
Figure 17. UCC28740EVM-525 Bottom Layer Assembly Drawing (Bottom View)
25
Figure 18. UCC28740EVM-525 Top Copper (Top View)
26
Figure 19. UCC28740EVM-525 Bottom Copper (Bottom View)
27
8 Bill of Materials
28
Table 3. the EVM Components List According to the Schematic Shown in Figure 1
28
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