78SR Series
HIGH-EFFICIENCY SWITCHING REGULATORS
7803SR Efficiency
90
85
80
100% LOAD
75
50% LOAD
70
25% LOAD
65
60
55
50
8
10 12 14 16 18 20 22 24 26 28 30 32 34 36
INPUT VOLTAGE
7803SR Input Current
0.25
0.20
0.15
100% LOAD
0.10
50% LOAD
0.05
0.00
8
25% LOAD
10 12 14 16 18 20 22 24 26 28 30 32 34 36
INPUT VOLTAGE
7805SR Efficiency
95
90
85
100% LOAD
80
50% LOAD
75
25% LOAD
70
65
60
8
10 12 14 16 18 20 22 24 26 28 30 32 34 36
INPUT VOLTAGE
7805SR Input Current
0.35
0.30
0.25
0.20
100% LOAD
0.15
50% LOAD
0.10
0.05
0.00
8
25% LOAD
10 12 14
16 18 20 22 24 26 28
INPUT VOLTAGE
30 32
34 36
7812SR Efficiency
100
95
100% LOAD
90
50% LOAD
85
25% LOAD
80
75
70
14 16 18 20 22 24 26 28 30 32 34 36
INPUT VOLTAGE
7812SR Input Current
0.40
0.35
0.30
100% LOAD
0.25
0.20
0.15
50% LOAD
0.10
0.05 25% LOAD
0.00
14 16 18 20 22 24 26 28 30 32 34 36
INPUT VOLTAGE
DATEL, Inc., Mansfield, MA 02048 (USA) • Tel: (508)339-3000, (800)233-2765 Fax: (508)339-6356 • E–mail: sales@datel.com • Internet: www.datel.com
4