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RT6204为具有输入电压5.2V~60V及可编程输出电压0.8V~50V的60V、500mA、350kHz高效率同步降压型DC-DC转换器。电流模式的控制方式可简化外部补偿,并可搭配宽范围的电感和输出电容来优化瞬态响应。高效率可藉由集成的N-MOSFET以及轻负载时的脉冲跳跃模式来实现。由于具备EN引脚,使得上电时序可更加灵活及关机静态电流可降至小于3μA。RT6204拥有逐周期电流限制的过电流保护,防止短路输出,用户可编程软启动时间以防止启动时的浪涌电流。它还包括输入欠压锁定,欠压输出和过温保护,让IC在所有工作条件下可以安全和平稳的操作。RT6204采用SOP-8(裸露焊盘)封装。
±1.5%精准度的0.8V回馈参考电压
宽输入电压范围 : 5.2V~60V
输出电流 : 500mA
集成的N-MOSFET
电流模式控制
固定开关频率 : 350kHz
可编程输出电压 : 0.8V~50V
< 3μA低关断静态电流
效率高达92%
提升轻负载效率的脉冲跳跃模式
可编程的软启动时间
逐周期电流限制保护
输入欠压锁定、输出欠压和过温保护
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