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AS3722 Arkusz danych(PDF) 22 Page - ams AG |
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AS3722 Arkusz danych(HTML) 22 Page - ams AG |
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22 / 198 page ![]() Page 22 ams Datasheet Document Feedback [v1-01] 2015-Sep-07 AS3722 − Detailed Descriptions- Power Management Functions Figure 11: DC/DC Buck Dis-Continuous Mode DC/DC Buck Dis-Continuous Mode: Shows the DC/DC switching waveforms of for SD5 at about 60mA. Only in the case the load current gets so small that less than the minimum on-time of the PMOS would be needed to keep the loop in regulation the regulator will enter power save operation and skip pulses during this time. The crossover point is about ~1% of the DCDC current limit. Figure 12: DC/DC Buck Dis-Continuous & Low Power Mode DC/DC Buck Dis-Continuous & Low Power Mode: Shows the DC/DC switching waveforms of for SD5 at about 10mA.High efficiency operation (default setting): |
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