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RT6203B是适应性导通时间模式的同步Buck转换器。RT6203B的主要控制回路使用适应性导通时间模式控制,无需外部组件即可提供极快速瞬态响应。RT6203B的VIN 输入范围为4.5V至18V。在初始供电后,输出电压可以通过I2C兼容的VID控制总线发送的编码到IC进行更改。此外,提供特殊的代码可用于编程电流限制阀值和过热关断阀值,关机和启动也可以透过特殊代码进行编程。本产品还具有可调节的软启动时间。输出电压可通过FB引脚的分压电阻在0.8V至8V之间调整。
VID控制范围通过I2C兼容接口:0.72V 至 1.48V in 10mV Steps
可调整的电流限制
可调整的过热关机机制
快速瞬态响应
0.8V至8V可调整的输出电压
固定700kHz切换频率
针对所有陶瓷电容进行优化
外部可调整、预偏置兼容的软启动
输入欠压锁定
输出过压和欠压保护
电源良好指示
过热关机保护
符合RoHS规范,不含卤素
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