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RT2856H是一款高效率、单晶同步降压型DC/ DC转换器,在4.5V至18V的输入电源范围可提供最高为6A的输出电流。RT2856H 藉由外部补偿的电流模式架构使得在很宽范围的负载及输出电容中,都可得到最佳的瞬态响应。逐周期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。故障保护包括输出欠压保护,输出过压保护,过热保护。低电流消耗之电源关闭模式会将输出关闭,有助于电池供电系统的电源管理。
低 RDS(ON) 功率MOSFET 开关26mΩ/19mΩ
输入电压范围 : 4.5V 至 18V
可调整切换频率 : 200kHz 至 1.6MHz
电流模式控制
与外部频率 :200kHz 至 1.6MHz 同步
精确的参考电压0.8V ± 1%,在 -40°C 至 85°C
单调启动进入预偏压模式
可调整的软启动
Power Good指示器
欠压和过压保护
输入欠压锁定
符合RoHS标准及不含卤素
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