Dc-dc converter for the system and method of the current limit

2011 
DC-DC voltage converter having a pair of switching transistors, which switching transistor for providing an output voltage in response to the control signal to alternately switch the boost operation mode. This inductor is connected to the switching transistor and the inductor having a current flowing therethrough. Current sensor monitors the input current in response thereto generate an electrical sense signal. A control circuit responsive to the current sense signal, the output voltage and current limit generates the control signal for the second pair of switching transistors, wherein when a signal indicative of a current limiting inductor current exceeds the current limit, the control signal is arranged a pair of switching transistors inductor current to decrease.
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