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RT5112A是一款智慧型電源管理IC,由2路低耗電的HCOT模式Buck轉換器和4路高PSRR、低壓差線性穩壓器構成,各通道啟停時序、輸出電壓和動態電壓調整速率可經I2C介面對內部寄存器的設定而進行控制,內建有輸出電壓過壓/欠壓保護、過流保護和過熱保護功能,以WL-CSP-25B 2.2x2.3 (BSC) 封裝形式供貨。
系統控制部分
硬體使能控制引腳
I2C控制介面
通道啟停時序控制
IRQ插斷要求輸出
過壓保護
欠壓保護
過流保護
過熱保護
WL-CSP-25B 2.2x2.3 (BSC) 封裝Buck轉換器
輸入電壓範圍:2.5V至5.5V
可程式控制輸出電壓範圍:0.6V至3.3V,12.5mV/級
最大持續負載能力:1.2A
HCOT控制架構
低靜態耗電4路低壓差線性穩壓器
輸入電壓範圍:1.9V至5.5V
可程式控制輸出電壓範圍:0.6V至3.775V,25mV/級
LDO1/2 PSRR指標:70dB@1kHz,40dB@100kHz
LDO3/4 PSRR指標:50dB@1kHz,40dB@10kHz
負載能力:300mA
低靜態耗電
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