Find the value of Rsc, L and Co for a ¬¨¬®¬¨¬µA7840 switching regulator to provide +5 v at 3A, using the following specifications: toff= 24¬¨¬®¬¨¬µs, ripple voltage = 400mA and ton=26¬¨¬®¬¨¬µs.$

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TuteeHUB · Accepted Answer

R_sc = 550 m‚âà√≠¬¨¬© , L = 25¬¨¬®¬¨¬µH & C_o = 75¬¨¬®¬¨¬µF

TuteeHUB · Answer

Rsc = 55 m‚âà√≠¬¨¬© , L = 25¬¨¬®¬¨¬µH & Co = 750¬¨¬®¬¨¬µF

TuteeHUB · Answer

Rsc = 550 m‚âà√≠¬¨¬© , L = 25¬¨¬®¬¨¬µH & Co = 75¬¨¬®¬¨¬µF

TuteeHUB · Answer

TuteeHUB · Answer

1.	Find the value of R_sc, L and C_o for a ¬¨¬®¬¨¬µA7840 switching regulator to provide +5 v at 3A, using the following specifications: t_off= 24¬¨¬®¬¨¬µs, ripple voltage = 400mA and t_on=26¬¨¬®¬¨¬µs.$
A.	R<sub>sc</sub> = 55 m‚âà√≠¬¨¬© , L = 25¬¨¬®¬¨¬µH & C<sub>o</sub> = 750¬¨¬®¬¨¬µF
B.	R<sub>sc</sub> = 550 m‚âà√≠¬¨¬© , L = 25¬¨¬®¬¨¬µH & C<sub>o</sub> = 75¬¨¬®¬¨¬µF
C.	R<sub>sc</sub> = 650 m‚âà√≠¬¨¬© , L = 25¬¨¬®¬¨¬µH & C<sub>o</sub> = 65¬¨¬®¬¨¬µF
D.	R<sub>sc</sub> = 720 m‚âà√≠¬¨¬© , L = 25¬¨¬®¬¨¬µH & C<sub>o</sub> = 250¬¨¬®¬¨¬µF
Answer» B. R<sub>sc</sub> = 550 m‚âà√≠¬¨¬© , L = 25¬¨¬®¬¨¬µH & C<sub>o</sub> = 75¬¨¬®¬¨¬µF

Find the value of R_sc, L and C_o for a ¬¨¬®¬¨¬µA7840 switching regulator to provide +5 v at 3A, using the following specifications: t_off= 24¬¨¬®¬¨¬µs, ripple voltage = 400mA and t_on=26¬¨¬®¬¨¬µs.$

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