MC78XXE

6

Figure 9. Constant Current Regulator

Notes:

(1) To specify an output voltage. substitute voltage value for "XX." A common ground is required between the input and the

Output voltage. The input voltage must remain typically 2.0V above the output voltage even during the low point on the input

ripple voltage.

Figure 10. Circuit for Increasing Output Voltage

Figure 11. Adjustable Output Regulator (7 to 30V)

1

2

3

0.1uF

R1

VXX

Output

Input

0.33uF

MC78XXE

MC78XXE

Output

Input

R1

R2

1

2

3

0.33uF

Cl

Co

0.1uF

VXX

MC7805E

LM741

Output

Input

2

3

6

4

1

2

3

Cl

0.33uF

Co

0.1uF

10k



_

+