Design a $0.5$ A current source using IC 7805 , for $\mathrm{RL}=10 \mathrm{ohms}$.?

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Design a

$0.5$ A current source using IC 7805 , for

$\mathrm{RL}=10 \mathrm{ohms}$ .?

written 2.4 years ago by

prajapatijaimin • 3.3k

• modified 2.4 years ago

linear integrated circuits

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1 Answer

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written 2.4 years ago by

prajapatijaimin • 3.3k

Solution:

enter image description here

3 terminal fixed voltage regulators can be used as a current source.

The above figure shows the circuit where 7805 has been wired to supply a current of $0.5 \mathrm{~A}$ to $10 \Omega$ load, kilowatt load.

$I_0=I R_1+I_Q$

where, $I Q$ is the Quiseent current and is …

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