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Controller for DC-DC converters with by-pass compensation also for multi-phase applications
Controller for DC-DC converters with by-pass compensation also for multi-phase applications
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机译：具有旁路补偿的DC-DC转换器的控制器也适用于多相应用
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摘要
The invention relates a controller for DC-DC converters (4) with bypass compensation for applications stand alone or multi-phase mode, of the type associated with a half-bridge driving stage (7) of at least one inductive load (2) wherein a pair of power MOS transistors in Highside and Lowside configuration are driven in switching by means of a corresponding converter, the controller having an input connected to a terminal (A) of the inductive load and comprising:a read block (6) of the phase current (Ic) of the inductive load (2) connected to the terminal (A);an over current comparator (8) having an input connected to the output of the read block (6);a bypass compensation network (11) incorporating an error amplifier block (5) having an input coupled to the terminal (A) by means of a voltage divider (3) and a second input coupled to a reference potential (Rref);the compensation network having an output connected to a second input of the over current comparator (8) whose output is applied to the DC-DC converter (4).
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