... analysis and optimization for VLSI: timing and power,” New York, Springer, pp 79–132, 2005 Chapter Adaptive Supply Voltage Delivery for U-DVS Systems 121 [11] B Zhai, S Hanson, D Blaauw, and D ... References [1] V Gutnik and A Chandrakasan, “Embedded power supply for low-power DSP,” IEEE Trans VLSI Syst., vol 5, no 4, pp 425–435, Dec 1997 [2] A Sinha and A Chandrakasan, Dynamic power management ... capacitor DC–DC converter is a good solution for low-power on-chip applications VO ÷ Φ 1by3 Φ 2by3 enW2 enW4 SWITCH MATRIX Cload IO VO Vref Φ 1by3 Φ2 Φ 2by3 clk4X AUTOMATIC FREQUENCY SCALER clk Figure...