
3
DFC10 SERIES BLOCK DIAGRAM
3
+ OUTPUT
ISOLATION TRANSFORMER
+
5
- OUTPUT
ISO AMP
LOW TC
BANDGAP
REFERENCE
SHIELDED COPPER CASE
+
–
2
– INPUT
1
+ INPUT
CURRENT
MODE
PWM
LOW
NOISE
FILTER
Typical Performance: (Tc=25°C, Vin=Nom VDC, Rated Load)
Data for 12 Volt Input Models
1.5
100% LOAD
50% LOAD
1.0
0.5
0.0
4
18
14
16
10
8
6
12
12 VOLT INPUT CURRENT Vs. LINE INPUT VOLTAGE
LINE INPUT (VOLTS)
I
Data for 24 Volt Input Models
Data for 48 Volt Input Models
85
100% FULL LOAD
50% FULL LOAD
75
80
70
75
65
70
60
45
35
55
40
50
48 VOLT EFFICIENCY Vs. LINE INPUT VOLTAGE
LINE INPUT (VOLTS)
E
88
100% FULL LOAD
50% FULL LOAD
82
84
86
80
36
32
34
30
22
18
28
20
24
26
24 VOLT EFFICIENCY Vs. LINE INPUT VOLTAGE
LINE INPUT (VOLTS)
E
90
LINE =
18VDC
LINE =
24VDC
LINE =
36VDC
20
85
80
75
70
65
60
0
40
30
10
50
60
70
80
90 100
24 VOLT EFFICIENCY Vs. LOAD
LOAD (%)
E
85
LINE =
9VDC
LINE =
12VDC
LINE =
18VDC
80
75
70
65
0
40
30
20
10
50
60
70
80
90 100
12 VOLT EFFICIENCY Vs. LOAD
LOAD (%)
E
LINE =
36VDC
LINE =
72VDC
LINE =
85
80
75
70
65
60
55
50
40
45
0
40
30
20
10
50
60
70
80
90 100
48 VOLT EFFICIENCY Vs. LOAD
LOAD (%)
E
85
100% FULL LOAD
50% FULL LOAD
82
83
84
80
81
18
16
17
10
11
12
13
9
14
15
12 VOLT EFFICIENCY Vs. LINE INPUT VOLTAGE
LINE INPUT (VOLTS)
E
100% LOAD
50% LOAD
0.4
0.3
0.2
0.1
0.0
5
75
45
55
25
15
35
65
48 VOLT INPUT CURRENT Vs. LINE INPUT VOLTAGE
LINE INPUT (VOLTS)
I
50
0
2
4
6
8
10
60
70
80
90
100
OUTPUT POWER DERATING
AMBIENT TEMPERATURE
P
DFC10 SERIES – SINGLE OUTPUT
0.8
100% LOAD
50% LOAD
0.4
0.6
0.2
0.0
4
36
24
28
32
16
8
12
20
24 VOLT INPUT CURRENT Vs. LINE INPUT VOLTAGE
LINE INPUT (VOLTS)
I
NUCLEAR AND MEDICAL APPLICATIONS Power-One products are not authorized for use as critical components in life support systems, equipment used in hazardous environments,
or nuclear control systems without the express written consent of the President of Power-One, Inc.
TECHNICAL REVISIONS The appearance of products, including safety agency certifications pictured on labels, may change depending on the date manufactured. Specifications are
subject to change without notice.