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RT5133 是内含 8 个线性稳压器的摄像传感器电源管理 IC,可为其提供 2 个 DVDD、4 个 AVDD、1 个 VIO、1 个 VAF 电源供应和 3 个 GPO 信号端子,所有输出的电压、软启动时间和保护特性均可通过 I2C 写入寄存器的数据进行控制。LDO1 可用作 IO 部分的电源(VIO);LDO2 可用作自动聚焦单元的电源(VAF);LDO3~LDO6 可用作 AVDD 的电源;LDO7/8可用作 DVDD 的电源;3 个 GPO 端子可用于控制外部设备的控制信号或作其他用途。RT5133 的封装形式为 WL-CSP-25B 1.84x1.84 (BSC)。
全局►硬件使能端►I2C 控制接口►可编程的通道开/关顺序►IRQB 输出指示►输入欠压保护►过热保护
LDO1/2►为 VIO18 和自动聚焦电路供电►输入电压范围:2.8V~5V►输出电压 I2C 可调►PSRR = 70dB@1kHz►300mA 负载能力
LDO3/4/5/6►为 AVDD 供电►输入电压范围:2.8V~5V►输出电压 I2C 可调►PSRR = 85dB@1kHz►300mA 负载能力
LDO7/8►为 DVDD 供电►输入电压范围:1.1V~5V►输出电压 I2C 可调►PSRR = 75dB@1kHz►600mA/1000mA 负载能力
GPO►3 个端子,可用于控制其他调节器
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