Classic power circuit (7805 current expansion)

Classic power circuit (7805 current expansion)

The picture above is a circuit diagram with slight modifications to a very popular classic circuit.

Circuit purpose:

1)+24V converted to +5V +/-5%

2) Can provide current above +2A.

Main components: TIP32C (ST)
L7805CV (ST)

R62 in the picture has been changed to 22 OHM in actual applications.

The power component TIP32C has been added with a heat sink

Please friends in the forum express your opinions and analyze this circuit.

include:

1. The specific working principle of this circuit.
2. Whether this circuit can achieve the expected results.
3. What kind of problems exist.
4. What kind of problems will there be if R62 in the picture is reduced to 1 OHM or 3.3 OHM? .
5. Others.