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RT5112H是一款智能型电源管理IC,由1路低耗电的HCOT架构Buck转换器、1路ACOT架构Boost转换器和4路高PSRR、低压差线性稳压器构成,各通道启停时序、输出电压和电压动态调整变化速率可经I2C接口对内部寄存器的设定而进行控制,内建有输出电压过压/欠压保护、过流保护和过热保护功能,以WL-CSP-25B 2.2x2.3 (BSC) 封装形式供货。
系统控制部分►硬件使能控制引脚►I2C控制接口►可程控通道启停时序►IRQ中断请求输出►过压保护►欠压保护►过流保护►过热保护►WL-CSP-25B 2.2x2.3 (BSC) 封装
Buck转换器►输入电压范围:2.5V~5.5V►可程控输出电压范围:0.6V~3.3V,12.5mV/级►最大持续负载能力:1.2A►HCOT控制架构►低静态耗电
Boost转换器►输入电压范围:2.5V~4.4V►可程控输出电压范围:4.5V~5.5V,25mV/级►最大持续负载能力:1A►ACOT控制架构►低静态耗电
4路低压差线性稳压器►输入电压范围:1.9V~5.5V►可程控输出电压范围:0.6V~3.775V,25mV/级►LDO1/2 PSRR指标:70dB@1kHz,40dB@100kHz►LDO3/4 PSRR指标:50dB@1kHz,40dB@10kHz►负载能力:300mA►低静态耗电
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