Texas Instruments TPS53125EVM-599 Output Voltage Ripple and Switching Node Waveforms

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TPS53125EVM-599 Test Data

 

 

 

 

 

 

 

 

www.ti.com

 

1.86

 

 

 

 

 

 

 

 

 

 

1.855

 

 

 

 

 

 

 

 

 

 

1.85

 

 

 

 

 

 

 

 

 

-V￿

 

 

 

 

 

 

 

 

 

 

VOLTAGE￿￿

1.845

 

 

 

VI

=￿12￿V

VI

=￿22￿V

 

 

1.84

 

 

 

 

 

OUTPUT￿-

1.835

 

 

VI =￿8￿V

 

 

 

 

 

 

O

 

 

 

 

 

 

 

 

 

 

V

 

 

 

 

 

 

 

 

 

 

 

1.83

 

 

 

 

 

 

 

 

 

 

1.825

 

 

 

 

 

 

 

 

 

 

1.82

 

 

 

 

 

 

 

 

 

 

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 = 1.80 V, IOUT = 0 A – 4 A

Figure 6. TPS53125EVM-599 Output Voltage vs Load Current

6.3Output Voltage Ripple and Switching Node Waveforms

VIN = 12, VOUT1 = 1.05, IOUT1 = 4 A

Figure 7. TPS53125EVM-599 Output Voltage Ripple and Switching Waveform

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TPS53125EVM-599

SLVU392 –July 2010

Copyright © 2010, Texas Instruments Incorporated

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Contents TPS53125EVM-599 TPS53125EVM-599 Electrical and Performance Specifications FeaturesTPS53125EVM-599 Electrical Performance Specifications DescriptionTPS53125EVM-599 Schematic TPS53125EVM-599 SchematicEnable Jumpers/Switches -SW1 and SW2 Connector and Test Point DescriptionsTest Point Descriptions Test Setup EquipmentTest Procedure Equipment SetupOther Test Equipment Start-Up/Shutdown Procedures Test Setup DiagramTPS53125EVM-599 Test Data Output Ripple Voltage Measurement ProcedureEquipment Shutdown EfficiencyLine and Load Regulation TPS53125EVM-599 Output Voltage vs Load CurrentOutput Voltage Ripple and Switching Node Waveforms TPS53125EVM-599 Output Voltage Ripple and Switching WaveformSwitch Node TPS53125EVM-599 Output Voltage RippleTPS53125EVM-599 Assembly Drawings and Layout TPS53125EVM-599 Component Placement, Viewed From TopTPS53125EVM-599 Top Copper, Viewed From Top TPS53125EVM-599 Internal 1, X-Ray View From Top TPS53125EVM-599 Bill of Materials TPS53125EVM-599 Bill of MaterialsFCC Warning Evaluation Board/Kit Important NoticeEVM Warnings and Restrictions Important Notice