Applications information

L78MxxAB, L78MxxAC

18/31

Doc ID 2147 Rev 13

Note:

The circuit of Figure 19 can be modified to provide supply protection against short-circuits

sensing PNP must be able to handle the short-circuit current of the three-terminal regulator.

Therefore, a four ampere plastic power transistor is specified.

Figure 19.

Current boost regulator

Figure 20.

Short-circuit protection