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RT5133B 是一款电源管理 IC，专为相机感测器应用设计，内含 8 组 LDO，包括 2 路 DVDD、4 路 AVDD、1 路 VIO、1 路 VAF，以及 3 个适用于可携式装置的 GPO。各稳压器的输出电压、软启动时间及保护功能皆可透过 I²C 介面写入暂存器进行控制。LDO1 可用于提供 IO（VIO）电源；LDO2 可用于提供自动对焦模组（VAF）电源；LDO3 至 LDO6 可用于提供 AVDD 电源；LDO7 与 LDO8 可用于提供 DVDD 电源。3 个 GPO 输出脚位可控制外部装置，或重新配置为其他用途。RT5133B 采用 WL-CSP1.84x1.84-25(BSC) 封装。建议接面温度范围为 -40°C 至 125°C，环境温度范围为 -40°C 至 85°C。
RT5133B 电路图
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<div class="spec-list"><ul class="lv1"><li>Top - Hardware Enable Pin - I<sup>2</sup>C Controlled Interface - Programmable Channel Power-On/Off - IRQB Output for Indication - Input Undervoltage Protection - Over-Temperature Protection </li><li>LDO - LDO1/2 - Two Low Dropout Regulators for V1018 and Auto Focus Applications - Wide 2.8V to 5V Operating Input Range - Programmable Output Voltage by I<sup>2</sup>C - High PSRR: 70dB @ 1KHz - 300mA Low Dropout Voltage Regulators - LDO3/4/5/6 - Four Low Dropout Regulators for AVDD Applications - Wide 2.8V to 5V Operating Input Range - Programmable Output Voltage by I2C - High PSRR: 85dB @ 1KHz - 300mA Low Dropout Voltage Regulators - LDO7/8 - 2 Low Dropout Regulators for AVDD Applications - Wide 1.1V to 5V Operating Input Range - Programmable Output Voltage by I2C - High PSRR: 75dB @ 1KHz - 600mA/1000mA Low Dropout Voltage Regulators </li><li>GPO - Three GPO Pins to Control a Single Regulator </li></ul></div>
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RT5133B 订购信息
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RT5133B
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<div class="spec-list"><ul class="lv1"><li>Cellular Telephones </li><li>Personal Information Appliances </li><li>Tablet PCs </li><li>Portable Instruments </li></ul></div>
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