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Load current adaptive control of a monolithic CMOS DC/DC converter for dynamic power management

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Academic year: 2021

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Fig. 1.    Proposed analog adaptive voltage loop control scheme.
Fig. 3.    Simulation results of compared with fixed frequency tooth carrier  and nonlinear carrier when input voltage is variable
Fig. 7.    The relationship between loading condition and adaptive control  gain. I bias V ddM1 M 2 M 3 M 4 M 6M8M5 M 7in2_opin1_opRzCc C Lout_op gnd
Fig. 8 shows the schematic of voltage error amplifier.  Compared with other topologies of operational amplifier  (OPA) such as telescopic or folded-cascode, two-stage  OPA has advantages of high gain and large output swing
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