供应G5728BTO1U 1.4MHz 1A同步降压调节器

G5728BTO1U 1.4MHz 1A同步降压调节器

一般的描述

G5728B是一种高效的单片同步电路稳压器采用恒频、恒电流降压模式架构。运行期间供电电流只有50μA，停机时降至<1μA。的2.5V到6V输入电压范围使G5728B非常适合单锂离子电池供电的应用。100%占空比提供低dropout操作，延长便携式系统的电池运行时间。开关频率在内部设置为1.4MHz，允许使用小型表面贴装电感和电容器。内部同步开关增加效率和消除外部的需要肖特基二极管。内置软启动功能消除可能破坏系统的涌流。

应用程序

Cellular Telephones
Personal Information Appliances
Microprocessors and DSP Core Supplies
Wireless and DSL Modems
Digital Still and Video Cameras
MP3 Players
Portable Instruments

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