Removing output capacitors saves money and boardspace. Linear Technology’s OPTI-LOOPTM architectureallows you to use the output capacitors of your choice andcompensate the control loop for optimum transientresponse and loop stability. Figure 1 shows the dramaticimprovement possible with the OPTI-LOOP architecture.With the improvement shown in Figure 1, less capacitance
is required or less expensive capacitors can be used. Loaddynamics and supply tolerances will predict the minimumoutput capacitance required. The quality of loop compensationdetermines how close you can get to this minimumcapacitance requirement in a real world system.
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