Apparatus and method for balancing channel currents in a multi-phase DC-to-DC converter

摘要: An apparatus and method for current balance in a multi-phase DC-to-DC converter with output voltage plurality of channel currents employs each multi-input pulse width modulator or an ordinary conjunction comparator to produce respective PWM signal regulate the corresponding current. In addition comparison reference error signal, compares ramp other modulator. Alternatively, is compared by derived from which subtracts sums signal.