78xxSR Series
3.3V/5V/12V Outputs High-Efficiency
Switching Regulators with LM78xx Pinouts
Efficience Curves
7803SR-C Efficiency
90
85
0.25
0.20
0.15
0.10
0.05
7803SR-C Input Current
100% LOAD
50% LOAD
25% LOAD
EFFICIENCY
75
70
65
60
55
50
8
10
12
14
16
18
20
22
24
INPUT CURRENT (AMPS)
80
100% LOAD
50% LOAD
25% LOAD
0.00
26
28
30
32
34
36
8
10
12
14
16
18
20
22
24
26
28
30
32
34
36
INPUT VOLTAGE
INPUT VOLTAGE
7805SR-C Efficiency
95
NPUT CURRENT (AMPS)
7805SR-C Input Current
0.35
0.30
0.25
0.20
0.15
0.10
0.05
0.00
8
10
12
14
16
18
20
22
24
26
28
30
32
34
36
INPUT VOLTAGE
90
85
EFFICIENCY
100% LOAD
50% LOAD
25% LOAD
80
75
70
65
60
8
10
12
14
16
18
20
22
24
100% LOAD
50% LOAD
25% LOAD
26
28
30
32
34
36
INPUT VOLTAGE
7812SR-C Efficiency
100
INPUT CURRENT (AMPS)
95
EFFICIENCY
90
85
80
75
70
14
16
18
20
22
24
26
28
30
32
34
36
INPUT VOLTAGE
0.40
0.35
7812SR-C Input Current
100% LOAD
50% LOAD
25% LOAD
0.30
0.25
0.20
0.15
0.10
0.05
0.00
14
16
18
100% LOAD
50% LOAD
25% LOAD
20
22
24
26
28
30
32
34
36
INPUT VOLTAGE
www.murata-ps.com
Technical enquiries
email: sales@murata-ps.com, tel:
+1 508 339 3000
MDC_78xxSR Series.B03
Page 5 of 6
MURATA-PS [ MURATA POWER SOLUTIONS INC. ]
