RT9595GQW,RICHTEK,STMICROELECTRONICS BTB24-600CWRGTRIAC 600 V 35 MA 1 W 1.3 V TO-220AB 250 A
RT9595GQW BY RICHTEK IS A HIGH-EFFICIENCY SYNCHRONOUS STEP-DOWN CONVERTER WITH 4.5V TO 5.5V INPUT 3A OUTPUT CURRENT 1.5MHZ SWITCHING FREQUENCY INTEGRATED MOSFETS AND QFN-16 PACKAGE.