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RT8287A为具有内部整合功率级MOSFET同步降压型 DC/DC 转换器,可在宽输入电压范围内达到4A的连续电流输出并具有良好的负载与输入电压调节率。采用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。对于错误情况的保护包括逐周期形式的限流机制与热关断保护功能。可调整的缓启动机制可有效降低输入电源在启动瞬间所产生的应力。RT8287A所需要的外部组件数极少,提供简便的应用方案。
4A 输出电流
可调的缓启动设计
120mΩ/40mΩ 的内部功率 MOSFET 开关组件
内建的补偿机制减少所需外加的组件数
500kHz 固定频率操作
热关断保护
逐周期的电流限制机制
4.5V 至 21V 的广输入电压操作范围
可调整输出范围0.808V 至 15V
采用14引脚WDFN的封装
符合RoHS规范与无卤特性
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