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RT8032为具有输入电流限制功能的同步Buck转换器,可通过外接电阻设定输入电流限制平均值。其输入电压范围为3V~5.5V,输出电压可调范围为0.8V~5V,负载能力为1.2A。它使用低导通阻抗的内建整流功率开关,效率高,还无需使用外加的肖特基二极管。它使用电流模式控制架构,补偿电路外置,可在宽阔的负载和输出电容条件下优化其瞬态响应特性。RT8032工作于强制连续的PWM模式,输出电压纹波低,噪声和射频干扰小,在低压差条件下工作于100%占空比模式,可有效延长电池使用时间。
平均输入电流限制阈值可调
输入电压范围:3V~5.5V
负载能力:1.2A
效率最高达95%
1.2MHz工作频率
无需使用肖特基二极管
强制连续导通工作模式
230mΩ导通电阻的内建开关
12引脚WDFN封装
外部补偿,可优化瞬态响应特性
外部可调软启动
输入过压保护
符合RoHS规范,不含卤素
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