AS3722 datasheet(23/199 Pages) AMSOSRAM

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AS3722 数据表(PDF) 23 Page - ams-OSRAM AG

部件名	AS3722

功能描述	Multi-Phase DCDC Controller PMIC

PDF	199 Pages

Scroll/Zoom	100%

制造商	AMSOSRAM [ams-OSRAM AG]

网页	https://ams-osram.com/

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23 / 199 page

Page 22

ams Datasheet

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[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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