Datasheet

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List of Figures

1 TPS53311EVM-561 Schematic ........................................................................................... 5

2 Tip and Barrel Measurement for Vout Ripple ........................................................................... 6

3 TPS53311EVM-561 Recommended Test Setup ....................................................................... 7

4 TPS53311EVM-561 Efficiency........................................................................................... 11

5 TPS53311EVM-561 Load Regulation .................................................................................. 11

6 TPS53311EVM-561 Line Regulation ................................................................................... 12

7 TPS53311EVM-561 Output Ripple,3.3 Vin, 1.5 V/3 A................................................................ 12

8 TPS53311EVM-561 Switching Node at Full Load, 5 Vin, 1.5 V/3 A................................................ 13

9 TPS53311EVM-561 Switching Node at No Load, 5 Vin, 1.5 V/0 A DE Mode..................................... 13

10 TPS53311EVM-561 Synchronization 3.3 Vin, 1.5 V/3 A, 1.2 V/3 A 180° Synchronization...................... 14

11 TPS53311EVM-561 Synchronization (3.3 Vin, 1.5 V/3 A, 1.2 V/3 A 180° Synchronization, Then Turn Off

Master)...................................................................................................................... 14

12 TPS53311EVM-561, 1.5-V Output Transient, 5 Vin, 1.5/0 A to 3 A ................................................ 15

13 TPS53311EVM-561 Enable Turns On Waveform, 3.3 Vin, 1.5 V/3 A.............................................. 15

14 TPS53311EVM-561 Enable Turns Off Waveform, 3.3 Vin, 1.5 V/3 A.............................................. 16

15 TPS53311EVM-561 Bode Plot, 3.3 Vin, 1.5 V/3 A.................................................................... 16

16 TPS53311EVM-561 Top Side Thermal Image, 3.3 Vin, 1.5 V/3 A, 1.2 V/3 A..................................... 17

17 TPS53311EVM-561 Top Layer Assembly Drawing, Top view ...................................................... 17

18 TPS53311EVM-561 Bottom Assembly Drawing, Bottom View...................................................... 18

19 TPS53311EVM-561 Top Copper, Top View ........................................................................... 18

20 TPS53311EVM-561 Internal Layer 2, Top View ...................................................................... 19

21 TPS53311EVM-561 Internal Layer 3, Top View ...................................................................... 19

22 TPS53311EVM-561 Bottom Copper, Top View ....................................................................... 20

List of Tables

1 TPS53311EVM-561 Electrical Performance Specifications ........................................................... 4

2 5-Vin Option ................................................................................................................. 8

3 Master Mode Selection..................................................................................................... 8

4 Slave Mode Selection ...................................................................................................... 8

5 Synchronization Selection ................................................................................................. 8

6 Master Enable Selection ................................................................................................... 9

7 Slave Enable Selection..................................................................................................... 9

8 Functions of Each Test Points........................................................................................... 10

9 Bill of Materials............................................................................................................. 21

Using the TPS53311EVM-561, a 3-A Eco-mode™ Integrated Switcher With SLUU428A–July 2010–Revised November 2010

Master-Slave

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