Journal
IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS II-EXPRESS BRIEFS
Volume 59, Issue 1, Pages 50-54Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TCSII.2011.2173969
Keywords
DC-DC converter; load-independent current control; single-inductor multiple-output (SIMO); switching converter
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Funding
- National Research Foundation of Korea
- Ministry of Education, Science, and Technology [20100012551]
- Seoul RBD Program [SS100022]
- National Research Foundation of Korea [2010-0012551] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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A load-independent current control technique is applied to a single-inductor multiple-output switching dc-dc boost converter implemented in a 0.5-mu m standard CMOS technology. The total current is regulated by monitoring the instant of zero inductor current, and no additional power stage and reactive components are required. The output voltage settles within 25 mu s with a voltage dip less than 50 mV when the load of the other output changes between 0 and 50 mA.
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