RT7272AGSP Evaluation Board Bill of Materials Reference Qty Part number Description Package Manufacture U1 1 RT7272AGSP DC/DC Converter PSOP-8 Richtek C1, C2 2 C3216X5R1H106K160AB 10μF/±10%/50V/X5R Ceramic Capacitor 1206 TDK C4, C5 2 GRM32ER61C226KE20# 22μF/±10%/16V/X5R Ceramic Capacitor 1210 Murata C7 1 0603B272K500 2.7nF/±10%/50V/X7R Ceramic Capacitor 0603 WALSIN C3, C6, C11 3 C1608X7R1H104K080AA 0.1μF/±10%/50V/X7R Ceramic Capacitor 0603 TDK C8,C9,C12,C13 0 Not Installed 0603 L1 1 4.7μH/19A/±20%, DCR=15mΩ, Inductor 11mmx10mmx3.8mm R1 1 75kΩ/±1%, Resistor 0603 R2 1 24kΩ/±1%, Resistor 0603 R3 1 13kΩ/±1%, Resistor 0603 R4 1 100kΩ/±1%, Resistor 0603 R5, D1, D2 0 Not Installed R6, RCAMP 2 0Ω, Resistor 0603 RLIM 1 137kΩ/±1%, Resistor 0603 TP 4 Test Pin GP 4 Golden Pin WE74437368047 WE More Information For more information, please find the related datasheet or application notes from Richtek website http://www.richtek.com. Important Notice for Richtek Evaluation Board THIS DOCUMENT IS FOR REFERENCE ONLY, NOTHING CONTAINED IN THIS DOCUMENT SHALL BE CONSTRUED AS RICHTEK’S WARRANTY, EXPRESS OR IMPLIED, UNDER CONTRACT, TORT OR STATUTORY, WITH RESPECT TO THE PRESENTATION HEREIN. IN NO EVENT SHALL RICHTEK BE LIABLE T O BUYER OR USER FOR ANY AND ALL DAMAGES INCLUDING WITHOUT LIMITATION TO DIRECT, INDIRECT, SPECIAL, PUNITIVE OR CONSEQUENTIAL DAMAGES. UG7272AGSP-00 March 2014 www.richtek.com 1