EVB_RT7250BZSP

RT7250BZSP Evaluation Board your power partner. RT7250BZSP Evaluation Board Purpose The RT7250B 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 4V to 17V. This document explains the function and use of the RT7250B 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 Key Performance Summary Table ................................................................................................................................2 Bench Test Setup Conditions........................................................................................................................................3 Schematic, Bill of Materials & Board Layout.................................................................................................................5 More Information .........................................................................................................................................................10 Important Notice for Richtek Evaluation Board...........................................................................................................10 UG7250BZSP-00 January 2015 1 http://www.richtek.com RT7250BZSP Evaluation Board your power partner. Introduction General Product Information The RT7250B is a high efficiency, monolithic synchronous step-down DC/DC converter that operates at 800kHz and delivers up to 2A output current from a 4V to 17V input supply. The RT7250B’s current mode architecture allows the transient response to be optimized. Cycle-by-cycle current limit provides protection against shorted outputs and soft-start eliminates input current surge during start-up. Fault conditions also include output under voltage protection, output over voltage protection, and thermal shutdown. The low current (2.5V) to enable operation or low (