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RT5133B 是一款電源管理 IC,專為相機感測器應用設計,內含 8 組 LDO,包括 2 路 DVDD、4 路 AVDD、1 路 VIO、1 路 VAF,以及 3 個適用於可攜式裝置的 GPO。各穩壓器的輸出電壓、軟啟動時間及保護功能皆可透過 I²C 介面寫入暫存器進行控制。LDO1 可用於提供 IO(VIO)電源;LDO2 可用於提供自動對焦模組(VAF)電源;LDO3 至 LDO6 可用於提供 AVDD 電源;LDO7 與 LDO8 可用於提供 DVDD 電源。3 個 GPO 輸出腳位可控制外部裝置,或重新配置為其他用途。RT5133B 採用 WL-CSP1.84x1.84-25(BSC) 封裝。建議接面溫度範圍為 -40°C 至 125°C,環境溫度範圍為 -40°C 至 85°C。
RT5133B 電路圖
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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 訂購資訊
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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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