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RT8252A 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2A的输出电流。RT8252A采用电流模式架构和外部补偿方式,可在宽阔的负载范围和输出电容条件下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。RT8252A同时提供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。RT8252A提供SOP-8 (裸露焊盘)封装。
±1.5% 精度反馈参考电压
输入电压范围:4.5V~23V
2A 负载能力
集成 N-MOSFET 功率开关
电流模式控制架构
340kHz 固定工作频率
输出电压可调范围:0.8V~20V
效率高达 95%
可调软启动
可配合陶瓷输出电容稳定运行
逐周期过流保护
输入欠压锁定保护
输出欠压保护
过热关机保护
符合 RoHS 规范,不含卤素
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