KP3211BSGA High Performance Low Cost Off-line PWM Power Switch

2020-11-25 必易微

KP3211BSG系列是一种高性能开关电源开关,适用于低功率离线应用,在典型的降压解决方案中元件最少。这个家族有内置的高击穿电压MOSFET,以承受高浪涌输入。
与传统的PWM控制不同,KP3211BSG系列没有固定的内部时钟来触发门驱动器,开关频率根据负载情况而变化。集成了多模式PWM控制,简化了电路设计,在不产生音频噪声的情况下实现了良好的线路和负载调节。在空载低备用功率的情况下,峰值电流限制根据实际负载情况而变化。
KP3211BSG集成了欠压锁定(UVLO)、逐周期限流(OCP)、输出OVP、片上热关机、过载保护(OLP)、带自动恢复模式保护的VDD OVP等功能和保护。
特征:

●集成650V功率MOSFET和高压启动电路
●优化可听噪声,提高系统稳定性
●多模式控制,无噪音运行
●支持降压和降压升压拓扑结构
●默认12V输出,FB浮动
●低于50mW备用功率
●绿色模式运行,实现高效率
●良好的线路和负载调节
●内置软启动
●内置Pr注意事项:

■过载保护(OLP)
■逐周期限流(OCP)
■输出OVP
■VDD OVP、UVLO和夹具
●可提供SOP-8包装

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世强硬创平台www.sekorm.com
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世强硬创平台www.sekorm.com
世强硬创平台www.sekorm.com
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