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Many of the multiple output Switched Mode Power Supplies (MOSMPS) that are widely used in low power applications such as personal computers (PC) and medical electronic systems with stringent voltage regulation requirements, are often plugged into a standard utility power outlet (Single-phase ac 110-270 V, 50/60 Hz). It is not easy to regulate the output voltages using a single DC-DC converter especially...
A single-inductor dual-output (SIDO) step-down converter with continuous conduction mode (CCM) control is proposed for high efficiency system-on-a-chip (Soc) integration. The cross regulation in steady-state output voltage ripple, which is rarely mentioned, is effectively reduced as well as in transient response. The low-voltage energy distribution controller (LV-EDC) circuit guarantees good voltage...
Multiduty ratio (MDR) modulation, a novel modulation technique for switching dc-dc converters, is proposed and studied in this paper. MDR modulation technique achieves output voltage regulation by generating a control pulse train made up of control pulses with different duty ratios. MDR control needs only comparators, triggers, and some simple logic devices without an error amplifier and its corresponding...
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