【产品】连续输出电流2A的同步降压稳压器SK6627，开关频率800KHz，具有热关断功能

时间： 2022-08-19 来源：洺太

技术问答

SK6627是洺太推出的同步降压稳压器，有内部功率MOSFET的高频、同步、整流、降压、开关模式转换器。它提供了一种非常紧凑的解决方案，可在较宽的输入电源范围内提供2A连续输出电流，具有出色的负载和线路调节。ECOT控制操作提供了非常快速的瞬态响应和简单的回路设计，以及非常严格的输出调节。SK6627只需要最少数量的现成外部组件，并采用节省空间的SOT563封装。

特征

●4.5V至17V的宽工作输入范围

●2A连续输出电流

●800KHz开关频率

●具有快速瞬态响应的ECOT模式控制

●内置过电流限制

●内置过电压保护

●连续导通模式（CCM）

●内部软启动

●100mΩ/50mΩ低RDS(ON)内部功率MOSFET

●输出可从0.805V开始调节

●短路保护与打嗝模式

●集成的内部补偿

●热关断

●采用SOT563封装

●-40℃~+85℃温度范围

应用

●数字机顶盒(STB)

●平板电脑、个人电脑（Pad）

●平板电视和显示器

●Wi-Fi路由器/无线热点

●数码录像机 (DVR)

●便携式媒体播放器 (PMP)

●电缆调制解调器/ XDSL

●一般用途

典型应用电路：

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