丝印：DS=**；Package：WQFN-244x4；High Efficiency, Main Power Supply Controller for Notebook Computers

General Description The RT8223A/B dual step-down, switch-mode power supply controller generates logic-supply voltages in battery-powered systems. The RT8223A/B includes two pulse-width modulation (PWM) controllers fixed at 5V/3.3V or adjustable from 2V to 5.5V. This device also features 2 linea

文件：369.74 Kbytes 页数：26 Pages

RichTek

立锜科技

丝印：DS=***；Package：SOT-25；300mA, Ultra-Low Noise, Ultra-Fast CMOS LDO Regulator

General Description The RT9193 is designed for portable RF and wireless applications with demanding performance and space requirements. The RT9193 performance is optimized for battery-powered systems to deliver ultra low noise and low quiescent current. A noise bypass pin is available for fu

文件：208.34 Kbytes 页数：12 Pages

RichTek

立锜科技

丝印：DS=***；Package：SOT-25；300mA, Ultra-Low Noise, Ultra-Fast CMOS LDO Regulator

文件：191.31 Kbytes 页数：14 Pages

RichTek

立锜科技