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LM5157EVM-SEPIC
Texas Instruments LM5157EVM-SEPIC Manuals
Manuals and User Guides for Texas Instruments LM5157EVM-SEPIC. We have
1
Texas Instruments LM5157EVM-SEPIC manual available for free PDF download: User Manual
Texas Instruments LM5157EVM-SEPIC User Manual (24 pages)
Brand:
Texas Instruments
| Category:
Motherboard
| Size: 1 MB
Table of Contents
Table of Contents
1
Features and Electrical Performance
2
Electrical Parameters
2
EVM Power Derating Curve
3
Figure 1-1. Power Derating Vs. Input Voltage
3
Terminals and Signal Test Points
4
Application Schematic
5
EVM Picture
5
Figure 2-1. Typical SEPIC Schematic Employing the LM5157/LM51571 and Coupled Inductor
5
Figure 3-1. LM5157EVM-SEPIC 3D-Rendered
5
Test Setup and Procedure
6
Bench Setup
6
Test Equipment
6
Precautions
6
Figure 4-1. Test Setup
6
Test Data
7
Efficiency
7
Output Regulation
7
Figure 5-1. Efficiency Vs. Load under Normal V
7
Figure 5-2. Efficiency Vs. Load under Low
7
Figure 5-3. Output Regulation Vs Input Voltage, IOUT
7
Figure 5-4. Output Regulation Vs Load, V
7
In V
7
IN , FSW = 2.1 Mhz
7
Out a
7
Thermal Performance
8
Typical Power up
8
Figure 5-5. Thermal Image: V
8
Figure 5-6. EVM Power up under I
8
Output Ripple Voltage
9
Figure 5-7. Output Ripple Voltage under V
9
IN = 6 V and IOUT = 1 a
9
Figure 5-8. Output Ripple Voltage under VIN
10
IN = 18 V and IOUT = 1 a
10
Step Load Response
11
Figure 5-9. Step Load Response under VIN = 6 V, IOUT = 0.5 to 1 a Step
11
Figure 5-10. Step Load Response under VIN = 12 V, IOUT = 0.5 to 1 a Step
12
Figure 5-11. Step Load Response under
13
Bode Plots
14
Figure 5-12. EVM Bode Plots, Vin = 12 V, Vout = 12V, Iout = 1 a
14
Schematics
15
Bill of Materials
16
Board Layout
18
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