© 2001 Fairchild Semiconductor Corporation

www.fairchildsemi.com

KA78M05 / LM78M05 / MC78M05 Rev. 2.5

4

Typical Applications(6), (7)

Figure 2. Fixed-Output Regulator

Figure 3. Constant-Current Regulator

Notes:

6. CI is required if the regulator is located an appreciable distance from the power supply filter.

7. Although no output capacitor is needed for stability, it does improve transient response.

0.1

μF

CO

CI

0.3

μF

VO

VI

1

3

2

KA78M05

LM78M05

MC78M05

0.1

μF

CO

CI

0.33

μF

IO

VI

1

3

2

VXX

IO

R1

IO = R

1

+IO

Vxx

KA78M05

LM78M05

MC78M05