Designing with the L296 Monolithic Power Switching Regulator
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چکیده
Before the introduction of L296, which realizes the step down configuration, this function was implemented with discrete power components driven be integrated PWM regulator circuits (giving a maximum outputcurrent of 300 to 400mA)or with hybrid circuits.Bothof thesesolutionsarecharacterizedby a low efficiency of the power transistor. For this reason it is generallynecessary to operateat frequencies in the 20kHz to 40kHz range. Of the two alternativesdiscretesolutionsareusuallylessexpensive because they do not include as many functions as the L296.
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تاریخ انتشار 1996