Datasheet

Introduction

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3 TPS650061 DCDC Converter Load Transient Response ............................................................. 7

4 TPS650061 LDOx Load Transient Response........................................................................... 8

5 TPS650061 DCDC Converter Line Transient Response .............................................................. 8

6 TPS650061 LDOx Line Transient Response............................................................................ 9

7 TPS650061 Output Voltage Ripple (MODE = low) ..................................................................... 9

8 TPS650061 Output Voltage Ripple (MODE = high) .................................................................. 10

9 TPS650061 DCDC Converter Startup Timing ......................................................................... 10

10 TPS650061EVM Component Placement (Viewed from Top) ....................................................... 11

11 TPS650061EVM Top Copper (Viewed from Top)..................................................................... 12

12 TPS650061EVM Bottom Copper (View from Bottom)................................................................ 13

List of Tables

1 TPS650061EVM Electrical and Performance Specifications.......................................................... 3

2 TPS650061EVM Bill of Materials........................................................................................ 14

1 Introduction

1.1 Applications

• Point of Load

• Embedded Processor Power

• Cell Phones, Smart-phones

• PDAs, Pocket PCs

• Portable Media Players

1.2 Features

• Input Voltage Rating : 2.3-V up to 6.0-V

• Output voltages of DCDC converter externally adjustable, output voltages of LDOs internally fixed

• Output Current Rating 1.0 A (DCDC converter) / 300-mA (LDOs)

• Spread Spectrum Clock (SSC) for best EMI performance

• Supply Voltage Supervisor : Adjustable Reset Voltage / Time , Manual Reset

• 2.25-MHz Switching Frequency

• 20 pin 3mm × 3mm QFN package

Using the TPS650061EVM 2.25 MHz Step-Down Converter with Dual LDO SLVU354–March 2010

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