【应用】数明SLM343CK-DG隔离栅极驱动器用于UPS，源极电流可达4A，有共模瞬态抗扰度高、延迟低、失真低等优势

时间： 2022-09-25 来源：世强

技术问答

UPS电源中市电接入后会有一个整流模块，其中会用到隔离驱动，UPS产品中对用料有一定的要求，而数明的SLM343CK-DG性能高，各项参数指标都符合工业级产品对芯片的要求，接下来会详细介绍该物料的应用和参数。

SLM343CK-DG是一颗光兼容、单通道、隔离栅极驱动器，可用于驱动MOS和IGBT，驱动电流强，源极电流可达4A，漏极输出可达6A，隔离电压高达5KV，结温范围为-40-150℃，相对同系列其他芯片，该物料的优势在于高共模瞬态抗扰度、低传播延迟和小脉宽失真。

以下为该模块在UPS项目中的应用框图。

图1：UPS框图

SLM343CK-DG在水泵项目中的应用优势如下：

1.共模瞬态抗扰度（CMTI）低，最小150kV/μs，脉冲宽度失真低，最大35ns，传输延迟低，最高140ns；

2.结温高，最高150℃，最低40℃，满足工业应用的要求；

3.隔离电压高，达到5kVRMS，满足多种应用场景的要求。

有关SLM343CK-DG的介绍如上，若需更多资料，可在世强平台进行咨询。

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