High Efficiency, Main Power Supply Controller for Notebook Computer

General Description The RT8205L/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 li

文件：405.21 Kbytes 頁(yè)數(shù)：26 Pages

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絲?。?a target="_blank" title="Marking" href="/en=/marking.html">EN=**；Package：WQFN-244x4；High Efficiency, Main Power Supply Controller for Notebook Computer

General Description The RT8205L/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 li

文件：405.21 Kbytes 頁(yè)數(shù)：26 Pages

RICHTEK

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絲?。?a target="_blank" title="Marking" href="/en/marking.html">EN**；Package：WQFN-244x4；High Efficiency, Main Power Supply Controller for Notebook Computer

General Description The RT8205L/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 li

文件：405.21 Kbytes 頁(yè)數(shù)：26 Pages

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筆記本電腦主電源供應(yīng)控制器

RT8205L/M 是一款雙通道開關(guān)模式降壓控制器，用于電池供電系統(tǒng)中為邏輯電路部分提供電源供應(yīng)。它包含了兩組輸出電壓可在 2V~5.5V 調(diào)節(jié)的 PWM 控制器和兩組恒定電壓（5V/3.3V）的線性穩(wěn)壓器。每個(gè)線性穩(wěn)壓器可以提供 100mA 輸出電流，并可自動(dòng)切換到 PWM 控制器的輸出以提高效率?？蛇x的外部電荷泵電路可通過(guò) SECFB 進(jìn)行監(jiān)控（僅限于 RT8205M ）。RT8205L/M 包含內(nèi)置的上電時(shí)序管理能力、電源正常狀態(tài)輸出和內(nèi)置軟起動(dòng)電路，還有內(nèi)置輸出軟放電功能可以避免關(guān)機(jī)期間的負(fù)電壓?jiǎn)栴}。它所使用的恒定導(dǎo)通時(shí)間（ COT ）模式下的 PWM 控制邏輯無(wú)需使用電流檢測(cè)電阻，在 ? 采用 COT 控制架構(gòu)，具有 100ns 負(fù)載瞬態(tài)變化響應(yīng)能力\n? 2V~5.5V 的兩路可調(diào)輸出\n? 恒定的 3.3V 和 5V 線性穩(wěn)壓器輸出能力為 100mA\n? 通過(guò) TONSEL 的不同接法可以進(jìn)行工作頻率選擇\n? 可程序設(shè)計(jì)的電流限制和使能控制結(jié)合在單一引腳上\n? 內(nèi)置軟起動(dòng)和軟放電功能\n? 5mW 靜態(tài)功率消耗\n? 符合 RoHS 規(guī)范，不含鹵素;

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Package：24-WFQFN 裸露焊盤；包裝：管件 類別：集成電路（IC） 特殊用途穩(wěn)壓器 描述：IC REG CTRLR NOTEBK 2OUT WQFN-24

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