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RT8289为内置功率开关元件的降压型转压器,可在宽输入电压范围内达到5A的的连续电流输出,并具有良好的负载与电源电压调节率,电流模式操作提供快速的瞬时响应与简易的回路稳定架构。RT8289并提供了逐周期形式的限流机制与热关断保护功能,操作在关机模式时,转换器只有25µA的低电流消耗。RT8289只需要少数的外部元件,提供更便利轻巧的应用方案。RT8289采用SOP-8 (裸露焊盘)的封装规格。
输出电流高达5A
内部的缓启动设计
100mΩ 内部功率MOSFET开关
具内部的补偿机制可减少外部元件数量
效率高达 90%
25μA 停机电流
500kHz恒定操作频率
热关断保护
逐周期的过电流保护
5.5V 至 32V 宽输入电压操作范围
1.222V 至 26V 可调输出电压范围
采用SOP-8 (裸露焊盘)的封装规格
符合RoHS规范与无卤特性
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