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RT8293A为高效率、单晶同步降压型DC/ DC转换器,在4.5V至23V的输入电源范围可提供最高为3A的输出电流。RT8293A采用电流模式架构和外部补偿方式,可优化瞬时响应的特性。逐周期的电流限制保护组件免受输出短路影响;软启动功能可在启动过程中防止了输入电流过冲。RT8293A同时提供输出欠压保护和过温保护。低电流消耗(<3μA)之电源关机模式会将输出关闭,有助于电池供电系统的电源管理。RT8293A提供SOP-8 (裸露焊盘)封装。
±1.5% 高精准度参考电压
4.5V至23V输入电压范围
3A输出电流
整合的 N-MOSFET 开关
电流模式控制
固定操作频率:340kHz
可调输出电压范围:0.8V至20V
效率可达95%
可采用低ESR的陶瓷电容做为输出电容
可设计的缓启动机制
逐周期的电流限制机制
输入欠电压锁定机制
输出欠电压保护
热关断保护
符合RoHS规范与无卤特性
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