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Large supply bouncing due to the fast switching current and parasitic inductance of the supply rail may cause reliability and electromagnetic interference (EMI) problems, especially for ICs with the pulse-width modulation (PWM) technique, such as switching DC-DC converters. In this paper, a new slew-rate controlled (SRC) output stage is proposed to appropriately increase the rise and fall times of...
Maintaining high-efficiency through wide load ranges is important for switching DC-DC converter designs. By appropriately varying the switching frequencies with various load currents, the power-efficiency can be improved. The optimal relationship of switching frequencies versus load currents can be obtained by evaluating the power-loss models of switching converters. In this paper, a variable-frequency...
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