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DC-DC power supply with at least two paralleled converters and current share method for same
申请公布号：US6768658(B2)
申请号：US20020234221
申请日期：2002.09.04
申请公布日期：2004.07.27
发明人：PERRY MARTY
分类号：H02J1/10;H02M3/158;(IPC1-7):H02M3/00
主分类号：H02J1/10
摘要：A DC-DC power supply with at least two paralleled converters and a current share method for the power supply are presented. According to one embodiment, the power supply includes first and second current mode controlled power converters connected in parallel for powering a load. Each of the paralleled power converters may include a voltage error amplifier, and the output terminals of the respective voltage error amplifiers are connected together. The power supply further includes a slow loop current share control circuit that is responsive to a sensed current in each of the power converters and, based on the sensed currents, forces the power converters to equally contribute to the load current.
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