RT8296AHZSP
Evaluation Board
Purpose
The RT8296A is a high-efficiency current mode synchronous step-down regulator that can deliver up to 3A output
current from a wide input voltage range of 4.5V to 23V. This document explains the function and use of the
RT8296A 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
UG8296AHZSP-00
July 2014
www.richtek.com
RT8296AHZSP
Evaluation Board
Introduction
General Product Information
General Description
The RT8296A is a high efficiency, monolithic synchronous step-down DC/DC converter that can deliver up to 3A
output current from a 4.5V to 23V input supply. The RT8296A's current mode architecture and external
compensation allow the transient response to be optimized over a wide range of loads and output capacitors.
Cycle-by-cycle current limit provides protection against shorted outputs and soft-start eliminates input current surge
during start-up. The RT8296A also provides output under voltage protection and thermal shutdown protection. The
low current (2.7V) to
enable operation or low (
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