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To stay under the VRIPPLE requirement of 30mV, an ESR value of under 7.7mΩ is needed. By using two 220μF capacitors with 15mΩ of ESR each, an ESR of 7.5mΩ will keep the VRIPPLE within requirements. The final component value to calculate is RILIM. This is done by using the equation listed and is calculated as 7.35kΩ. A 7.5kΩ value can be used to maintain a 10A current limit.
PTM Published on: 2011-09-27
