High-Efficiency, Quad-Output, Main Power-Supply Controllers for Notebook Computers

General Description The MAX8732/MAX8733/MAX8734 dual step-down, switch-mode power-supply (SMPS) controllers generate logic-supply voltages in battery-powered systems. The MAX8732/MAX8733/MAX8734 include two pulse-width modulation (PWM) controllers, adjustable from 2V to 5.5V or fixed at 5

文件：1.09162 Mbytes 頁數(shù)：32 Pages

MAXIM

美信

High-Efficiency, Quad-Output, Main Power-Supply Controllers for Notebook Computers

The MAX8732A/MAX8733A/MAX8734A dual step-down, switch-mode power-supply (SMPS) controllers generate logic-supply voltages in battery-powered systems. The MAX8732A/MAX8733A/MAX8734A include two pulse width modulation (PWM) controllers, adjustable from 2V to 5.5V or fixed at 5V and 3.3V. These devic

文件：1.09883 Mbytes 頁數(shù)：33 Pages

MAXIM

美信

High-Efficiency, Quad-Output, Main Power-Supply Controllers for Notebook Computers

The MAX8732A/MAX8733A/MAX8734A dual step-down, switch-mode power-supply (SMPS) controllers generate logic-supply voltages in battery-powered systems. The MAX8732A/MAX8733A/MAX8734A include two pulse width modulation (PWM) controllers, adjustable from 2V to 5.5V or fixed at 5V and 3.3V. These devic

文件：1.09883 Mbytes 頁數(shù)：33 Pages

MAXIM

美信

High-Efficiency, Quad-Output, Main Power-Supply Controllers for Notebook Computers

General Description The MAX8732/MAX8733/MAX8734 dual step-down, switch-mode power-supply (SMPS) controllers generate logic-supply voltages in battery-powered systems. The MAX8732/MAX8733/MAX8734 include two pulse-width modulation (PWM) controllers, adjustable from 2V to 5.5V or fixed at 5

文件：1.09162 Mbytes 頁數(shù)：32 Pages

MAXIM

美信

高效率、四路輸出、主電源控制器，用于筆記本電腦

MAX8732A/MAX8733A/MAX8734A雙路、降壓型、開關(guān)模式電源(SMPS)控制器能夠在電池供電系統(tǒng)中產(chǎn)生邏輯供電電壓。MAX8732A/MAX8733A/MAX8734A內(nèi)含兩個脈寬調(diào)制(PWM)控制器，提供2V至5.5V可調(diào)輸出或5V和3.3V固定輸出。這些器件具有兩路線性穩(wěn)壓器，提供始終有效的5V和3.3V輸出。每個線性穩(wěn)壓器的輸出電流高達100mA，而且線性穩(wěn)壓器可自動地自舉到主SMPS輸出。MAX8732A/MAX8733A/MAX8734A具有板上上電排序、電源就緒(PGOOD)輸出、數(shù)字軟啟動以及內(nèi)部軟關(guān)斷輸出放電功能(防止關(guān)斷時產(chǎn)生負壓)。此外，當VCC降至其UV \n? 無需電流檢測電阻(MAX8734A) \n? 通過電流檢測電阻實現(xiàn)精確的電流檢測(MAX8732A/MAX8733A) \n? 1.5%輸出電壓精度 \n? 3.3V和5V、100mA自舉線性穩(wěn)壓器 \n? 內(nèi)部軟啟動和軟關(guān)斷輸出放電功能 \n? 具有100ns負載階躍響應(yīng)的Quick-PWM \n? 3.3V和5V固定輸出或可調(diào)輸出(Dual Mode?) \n? 4.5V至24V輸入電壓范圍 \n? 增強型超聲波跳脈沖模式(最小25kHz) \n? 電源就緒(PGOOD)信號 \n? 過壓保護使能/禁止;

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