RT7247AHGSP
Evaluation Board
UG7247AHGSP-00 July 2014
www.richtek.com
Purpose
The RT7247A is a high-efficiency current mode synchronous step-down regulator that can deliver up to 2A output
current from a wide input voltage range of 4.5V to 18V. This document explains the function and use of the
RT7247A evaluation board (EVB) and provides information to enable operation and modification of the evaluation
board and circuit to suit individual requirements.
Table of Contents
Purpose .......................................................................................................................................................... 1
Introduction ..................................................................................................................................................... 2
General Product Information ...................................................................................................................... 2
Key Performance Summary Table ............................................................................................................. 3
Bench Test Setup Conditions ......................................................................................................................... 4
Headers Description and Placement ......................................................................................................... 4
Test Points ................................................................................................................................................. 4
Power-up & Measurement Procedure ........................................................................................................ 5
Output Voltage Setting ............................................................................................................................... 5
Schematic, Bill of Materials and Board Layout .............................................................................................. 6
EVB Schematic Diagram ............................................................................................................................ 6
Bill of Materials ........................................................................................................................................... 7
EVB Layout ................................................................................................................................................ 8
More Information .......................................................................................................................................... 11
Important Notice for Richtek Evaluation Board ............................................................................................ 11
