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

General Description The RT8223L/M is a dual step-down, switch-mode power supply controller generating logic-supply voltages in battery-powered systems. It includes two Pulse Width Modulation (PWM) controllers adjustable from 2V to 5.5V, and also features fixed 5V/3.3V linear regulators. Each line

文件：397.58 Kbytes 页数：24 Pages

RichTek

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丝印：EQ**；Package：WQFN-244x4；High Efficiency, Main Power Supply Controller for Notebook Computer

General Description The RT8223L/M is a dual step-down, switch-mode power supply controller generating logic-supply voltages in battery-powered systems. It includes two Pulse Width Modulation (PWM) controllers adjustable from 2V to 5.5V, and also features fixed 5V/3.3V linear regulators. Each line

文件：397.58 Kbytes 页数：24 Pages

RichTek

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笔记本电脑主电源供应控制器

RT8223L/M 是一款双通道开关模式降压控制器，用于电池供电系统中为逻辑电路部分提供电源供应。它包含了两组输出电压可在 2V~5.5V 调节的 PWM 控制器和两组恒定电压（5V/3.3V）的线性稳压器。每个线性稳压器可以提供 100mA 输出电流，并可自动切换到 PWM 控制器的输出以提高效率。RT8223L/M 包含内置的上电时序管理能力、电源正常状态输出和内置软起动电路，还有内置输出软放电功能可以避免关机期间的负电压问题。它所使用的恒定导通时间（ COT ）模式下的 PWM 控制逻辑无需使用电流检测电阻，在负载发生瞬态变化时具有 100ns 的响应速度，同时还能维持基本恒定的开关切换 • 采用 COT 控制架构，具有 100ns 负载瞬态变化响应能力\n• 2V~5.5V 的两路可调输出\n• 2V 参考电压\n• 通过 RDS(ON) 进行的电流检测具有4700ppm/°C 的温度补偿\n• 有PWM、DEM和超声工作模式可供选择\n• 效率高达 97%\n• 过热关机保护\n• 符合 RoHS 规范，不含卤素\n;

Richtek

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High Efficiency, Main Power Supply Controller for Notebook Computer

General Description The RT8223L/M is a dual step-down, switch-mode power supply controller generating logic-supply voltages in battery-powered systems. It includes two Pulse Width Modulation (PWM) controllers adjustable from 2V to 5.5V, and also features fixed 5V/3.3V linear regulators. Each line

文件：397.58 Kbytes 页数：24 Pages

RichTek

立锜科技

High Efficiency, Main Power Supply Controller for Notebook Computer

General Description The RT8223N is a dual step-down, switch-mode power supply controller generating logic-supply voltages in battery-powered systems. It includes two Pulse Width Modulation (PWM) controllers adjustable from 2V to 5.5V, and also features fixed 5V/3.3V linear regulators. Feat

文件：370.41 Kbytes 页数：23 Pages

RichTek

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High Efficiency, Main Power Supply Controller for Notebook Computer

General Description The RT8223P is a dual step-down, switch-mode power supply controller generating logic-supply voltages in battery-powered systems. It includes two Pulse Width Modulation (PWM) controllers adjustable from 2V to 5.5V, and also features fixed 5V/3.3V linear regulators. Each line

文件：311.85 Kbytes 页数：23 Pages

RichTek

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