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RT6224A/B为高效率的DC-DC单片式同步整流转换器,输入电压范围从4.3V至18V,输出峰流高达3.5A。RT6224A/B的采用的ACOT拓扑可增进瞬时响应的表现并固定操作频率。逐周期形式的限流机制可在输出短路时提供电路保护作用,缓启动机制则可消除启动瞬间的输入电流涌浪的问题。此外RT6224A/B提供输出欠压保护、输出过电流与过热关机保护功能。
轻载时以小输出电压操作
高端过流限制
内部整合90mΩ/45mΩ MOSFETs
4.3V至18V输入电压范围
500kHz切换频率
ACOT Control
0.6V±1.5%参考电压
单调性的启动至预偏压输出值
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