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 页数：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 页数：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 页数：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 页数：32 Pages

Maxim

美信

高效率、四路输出、主电源控制器，用于笔记本电脑

MAX8732A/MAX8733A/MAX8734A双路、降压型、开关模式电源(SMPS)控制器能够在电池供电系统中产生逻辑供电电压。MAX8732A/MAX8733A/MAX8734A内含两个脉宽调制(PWM)控制器，提供2V至5.5V可调输出或5V和3.3V固定输出。这些器件具有两路线性稳压器，提供始终有效的5V和3.3V输出。每个线性稳压器的输出电流高达100mA，而且线性稳压器可自动地自举到主SMPS输出。MAX8732A/MAX8733A/MAX8734A具有板上上电排序、电源就绪(PGOOD)输出、数字软启动以及内部软关断输出放电功能(防止关断时产生负压)。此外，当VCC降至其UV \n• 无需电流检测电阻(MAX8734A) \n• 通过电流检测电阻实现精确的电流检测(MAX8732A/MAX8733A) \n• 1.5%输出电压精度 \n• 3.3V和5V、100mA自举线性稳压器 \n• 内部软启动和软关断输出放电功能 \n• 具有100ns负载阶跃响应的Quick-PWM \n• 3.3V和5V固定输出或可调输出(Dual Mode™) \n• 4.5V至24V输入电压范围 \n• 增强型超声波跳脉冲模式(最小25kHz) \n• 电源就绪(PGOOD)信号 \n• 过压保护使能/禁止;

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