Texas Instruments 2.25A Inverting Buck Boost Regulator Evaluation Module TPS5430EVM-342 TPS5430EVM-342 Datenbogen
Produktcode
TPS5430EVM-342
1
Introduction
1.1
Background
User's Guide
SLVU243 – May 2008
TPS5430EVM-342 2.25-A, Inverting Buck-Boost Regulator
Evaluation Module
Contents
1
2
Test Setup and Results
3
Board Layout
4
Schematic and Bill of Materials
List of Figures
1
Measured Efficiency, TPS5430
2
Load Regulation
3
Load Transient Response, TPS5430
4
Measured Loop Response, TPS5430, V
IN
= 12 V
5
Measured Output Voltage Ripple, TPS5430
6
Power Up, V
OUT
Relative to V
IN
7
Top-side Layout
8
Bottom-side Layout (View from Top Side)
9
Top-side Assembly
10
TPS5430EVM-342 Schematic
List of Tables
1
Input Voltage and Output Current Summary
2
TPS5430EVM-342 Performance Specification Summary
3
Output Voltages Available
4
EVM Connectors and Test Points
5
TPS5430EVM-342 Bill of Materials
This guide contains TPS5430 background information and TPS5430EVM-342 evaluation module (EVM)
support documentation. Also the performance specifications, a schematic diagram, and the bill of
materials for the TPS5430EVM-342 are included.
support documentation. Also the performance specifications, a schematic diagram, and the bill of
materials for the TPS5430EVM-342 are included.
The TPS5430 dc/dc converter is designed to provide up to a 3.0 A output from an input voltage source of
5.5 V to 36 V.
5.5 V to 36 V.
provides the rated input voltage and output current range for the evaluation module.
This EVM is designed to demonstrate using the TPS5430 regulator in an inverting buck-boost application
and does not reflect the entire design range of input and output voltages that can be used with this part.
The switching frequency is internally set at a nominal 500k Hz. The high-side MOSFET is incorporated
and does not reflect the entire design range of input and output voltages that can be used with this part.
The switching frequency is internally set at a nominal 500k Hz. The high-side MOSFET is incorporated
PowerPAD is a trademark of Texas Instruments.
SLVU243 – May 2008
TPS5430EVM-342 2.25-A, Inverting Buck-Boost Regulator Evaluation Module
1