A digitally controlled DC-DC converter for SoC in 28nm CMOS

Battery operation in mobile applications needs power efficient DC-DC converters which are able to handle battery voltages up to 5.5V. Normally, these DC-DC converters are built in special technologies. For decreased footprint and chip count of the overall system, a system-on-chip solution on modern...

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Bibliographische Detailangaben
Hauptverfasser:	Kuttner, F, Habibovic, H, Hartig, T, Fulde, M, Babin, G, Santner, A, Bogner, P, Kropf, C, Riesslegger, H, Hodel, U
Format:	Tagungsbericht
Sprache:	eng
Schlagworte:	Batteries CMOS integrated circuits Converters Driver circuits Logic gates Pulse width modulation Transistors
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Beschreibung
Zusammenfassung:	Battery operation in mobile applications needs power efficient DC-DC converters which are able to handle battery voltages up to 5.5V. Normally, these DC-DC converters are built in special technologies. For decreased footprint and chip count of the overall system, a system-on-chip solution on modern CMOS technology with core supply voltages around 1V is preferred. The presented DC-DC buck converter generates 0.9 to 1.8V at output currents up to 500mA from a battery voltage of 2.4 to 5.5V with high efficiency in a high-k 28nm metal-gate CMOS technology.
ISSN:	0193-6530 2376-8606
DOI:	10.1109/ISSCC.2011.5746364