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AS3722 Datasheet(PDF) 42 Page - ams-OSRAM AG |
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AS3722 Datasheet(HTML) 42 Page - ams-OSRAM AG |
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42 / 199 page  ams Datasheet Page 41 [v1-01] 2015-Sep-07 Document Feedback AS3722 − Detailed Descriptions- Power Management Functions LDO Regulators Description 11 universal IO range LDOs offer a wide input (1.7V to 5.5V) as well as a wide output (0.8 to 3.3V) voltage range to be used for general purpose peripheral supply. LDO3 is intended to be used for tracking the output voltage of SD1 or SD6, step-size and range are matching those of SD1 and SD6. The extended input range LDO (LDO0) can work down to 1.15V on the input side, to be used as a post regulator after a DCDC with low output voltage (e.g. 1.2V). Up to 300mA possible output currents are offered with good noise and regulation performance and very low quiescent current even suitable for stand-by power supply. Figure 38: Universal IO LDO Block Diagram Universal IO LDO Block Diagram: Shows the internal structure of the PMOS linear regulators. PMOS Power Device 0.6 VIN_LDOx Error Amplifier LDOx VSS Vref 1.6V or 0.8V low noise CLOAD_LDOx |
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