Texas Instruments Evaluation Module for TPS54821 TPS54821EVM-049 TPS54821EVM-049 데이터 시트

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This user

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s guide contains information for the TPS54821EVM-049 evaluation module (PWR049) as well as

for the TPS54821 dc/dc converter. Also included are the performance specifications, the schematic, and
the bill of materials for the TPS54821EVM-049.

1

Introduction

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2

Test Setup and Results

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3

Board Layout

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4

Schematic and Bill of Materials

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1

TPS54821EVM-049 Efficiency

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2

TPS54821EVM-049 Low Current Efficiency

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3

TPS54821EVM-049 Load Regulation

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4

TPS54821EVM-049 Line Regulation

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5

TPS54821EVM-049 Transient Response

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6

TPS54821EVM-049 Loop Response

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7

TPS54821EVM-049 Output Ripple

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8

TPS54821EVM-049 Input Ripple

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9

TPS54821EVM-049 Start-Up Relative to V

IN

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10

TPS54821EVM-049 Start-Up Relative to Enable

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11

TPS54821EVM-049 Start-Up Into Pre-Bias

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12

TPS54821EVM-049 Hiccup-Mode Current Limit

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13

TPS54821EVM-049 Top-Side Assembly

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14

TPS54821EVM-049 Top-Side Layout

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15

TPS54821EVM-049 Internal Layer-1 Layout

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16

TPS54821EVM-049 Internal Layer-2 Layout

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17

TPS54821EVM-049 Bottom-Side Layout

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18

TPS54821EVM-049 Schematic

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1

Input Voltage and Output Current Summary

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2

TPS54821EVM-049 Performance Specification Summary

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3

Output Voltages Available

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4

EVM Connectors and Test Points

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5

TPS54821EVM-049 Bill of Materials

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SLVU479

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October 2011

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Copyright

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2011, Texas Instruments Incorporated