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The RT5133 is a highly-integrated power management IC, which includes 8 LDOs for camera sensor applications, including 2-Ch DVDD, 4-Ch AVDD, 1-Ch VIO, 1-Ch VAF and 3 GPOs for portable devices. The output voltages, soft-start time and protections of regulators can be controlled by writing the registers through I<sup>2</sup>C. The LDO1 can be used to supply power to IO (VIO). The LDO2 can be used to supply power to auto focus unit (VAF). The LDO3 to LDO6 can be used to supply power to AVDD. The LDO7 and LDO8 can be used to supply power to DVDD. 3 GPO output pins can control external device or be reused for another purpose. The RT5133 is available in a WL-CSP-25B 1.84x1.84 (BSC) package.
RT5133 Typical Circuit
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<div class="spec-list"><ul class="lv1"><li>Top <ul class="lv2"> <li></li><li>Hardware Enable Pin </li><li>I<sup>2</sup>C Controlled Interface </li><li>Programmable Channel Power On/Off </li><li>IRQB Output for Indication </li><li>Input Under-Voltage Protection </li><li>Over-Temperature Protection </li></ul> </li><li>LDO <ul class="lv2"> <li></li><li>LDO1/2♦ 2 Low Dropout Regulators for VIO18 and auto Focus Application♦ 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 </li><li>LDO3/4/5/6♦ 4 Low Dropout Regulators for AVDD application♦ Wide 2.8V to 5V Operating Input Range♦ Programmable Output Voltage by I<sup>2</sup>C♦ High PSRR : 85dB @ 1KHz♦ 300mA Low Dropout Voltage Regulators </li><li>LDO7/8♦ 2 Low Dropout Regulators for DVDD application♦ Wide 1.1V to 5V Operating Input Range♦ Programmable Output Voltage by I<sup>2</sup>C♦ High PSRR : 75dB @ 1KHz♦ 600mA/1000mA Low Dropout Voltage Regulators </li></ul> </li><li>GPO <ul class="lv2"> <li></li><li>3 GPO Pins to Control a Single Regulator </li></ul> </li></ul></div>
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RT5133 Ordering Information
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RT5133
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RT5133
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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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