Texas Instruments TPS53125EVM-599 specifications Line and Load Regulation

Page 9

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TPS53125EVM-599 Test Data

 

100

 

 

 

 

 

 

 

 

 

 

 

VI =￿8￿V

 

 

 

 

 

 

 

 

 

90

 

 

 

 

 

 

 

 

 

 

80

 

 

 

 

 

 

 

 

 

-%￿

70

 

 

VI =￿12￿V

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

η -EFFICIENCY￿￿

60

 

VI =￿22￿V

 

 

 

 

 

 

50

 

 

 

 

 

 

 

 

 

40

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

30

 

 

 

 

 

 

 

 

 

 

20

 

 

 

 

 

 

 

 

 

 

10

 

 

 

 

 

 

 

 

 

 

0

 

 

 

 

 

 

 

 

 

 

0

0.5

1

1.5

2

2.5

3

3.5

4

4.5

 

 

 

 

ILOAD -￿LOAD￿CURRENT￿- A

 

 

 

 

VIN = 8 V – 22 V, VOUT2 = 1.80 V, IOUT2 = 0 A – 4 A

 

 

 

 

 

 

Figure 4. TPS53125EVM-599 Efficiency vs Load Current

6.2Line and Load Regulation

 

1.07

 

 

 

 

 

 

 

 

 

 

1.065

 

 

 

 

 

 

 

 

 

-V￿

 

 

 

 

 

 

VI =￿22￿V

 

 

 

VOLTAGE￿￿

 

 

 

 

 

VI =￿12￿V

 

 

 

 

1.06

 

 

 

 

 

 

 

 

 

-OUTPUT￿

 

 

 

 

 

 

 

 

 

 

 

 

VI =￿8￿V

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

O

 

 

 

 

 

 

 

 

 

 

V

 

 

 

 

 

 

 

 

 

 

 

1.055

 

 

 

 

 

 

 

 

 

 

1.05

 

 

 

 

 

 

 

 

 

 

0

0.5

1

1.5

2

2.5

3

3.5

4

4.5

 

 

 

 

ILOAD -￿LOAD￿CURRENT￿- A

 

 

 

VIN = 8 V – 22 V, VOUT1 = 1.05 V, IOUT = 0 A – 4 A

 

 

 

 

 

 

Figure 5. TPS53125EVM-599 Output Voltage vs Load Current

SLVU392 –July 2010

TPS53125EVM-599

9

Copyright © 2010, Texas Instruments Incorporated

Image 9
Contents TPS53125EVM-599 TPS53125EVM-599 Electrical Performance Specifications FeaturesTPS53125EVM-599 Electrical and Performance Specifications DescriptionTPS53125EVM-599 Schematic TPS53125EVM-599 SchematicConnector and Test Point Descriptions Enable Jumpers/Switches -SW1 and SW2Test Point Descriptions Equipment Test Setup Equipment Setup Test Procedure Other Test Equipment Test Setup Diagram Start-Up/Shutdown ProceduresEquipment Shutdown Output Ripple Voltage Measurement ProcedureTPS53125EVM-599 Test Data EfficiencyTPS53125EVM-599 Output Voltage vs Load Current Line and Load RegulationTPS53125EVM-599 Output Voltage Ripple and Switching Waveform Output Voltage Ripple and Switching Node WaveformsTPS53125EVM-599 Output Voltage Ripple Switch NodeTPS53125EVM-599 Component Placement, Viewed From Top TPS53125EVM-599 Assembly Drawings and LayoutTPS53125EVM-599 Top Copper, Viewed From Top TPS53125EVM-599 Internal 1, X-Ray View From Top TPS53125EVM-599 Bill of Materials TPS53125EVM-599 Bill of MaterialsEvaluation Board/Kit Important Notice FCC WarningEVM Warnings and Restrictions Important Notice