DFC6 SERIES – SINGLE OUTPUT
DFC6 SERIES BLOCK DIAGRAM
SHIELDED ISOLATION TRANSFORMER
OUTPUT POWER DERATING
6
3
+
+ OUTPUT
5
POWER OUTPUT
4
3
+ INPUT
1
+
– INPUT
2
CURRENT
MODE
PWM
4
- OUTPUT
+
–
ISO AMP
2
1
0
40
NONCONDUCTIVE PLASTIC CASE
LOW TC
BANDGAP
REFERENCE
50
60
70
80
AMBIENT TEMPERATURE
90
Typical Performance: (Tc=25°C, Vin=Nom VDC, Rated Load)
EFFICIENCY Vs. LOAD
80
LINE = 5VDC
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
50% LOAD
0
10
20
30
40
50
60
70
80
90 100
0.0
0
2
4
6
8
10
12
14
16
100% LOAD
INPUT CURRENT Vs. INPUT VOLTAGE
OUTPUT IMPEDENCE (OHMS)
10
OUTPUT IMPEDENCE Vs. FREQUENCY
INPUT CURRENT (AMPS)
EFFICIENCY (%)
75
12/15 VOLT OUTPUT
1
70
.1
5 VOLT OUTPUT
.01
10
65
LINE = 16VDC
60
100
1000
10000
100000
1000000
LOAD (%)
LINE INPUT (VOLTS)
FREQUENCY (Hz)
EFFICIENCY Vs. LINE INPUT VOLTAGE
RMS INPUT CURRENT (AMPS)
85
1.0
0.8
RMS INPUT CURRENT Vs. LINE INPUT
100% LOAD
120
INPUT VOLTAGE DERATING
EFFICIENCY (%)
80
50% FULL LOAD
75
100% FULL LOAD
70
75% LOAD
0.6
50% LOAD
0.4
0.2
0.0
3
5
7
9
11
13
15
17
% AVAILABLE POWER
100
80
60
40
20
0
3.50
65
4
6
8
10
12
14
16
3.75
4.00
4.25
4.50
4.75
5.00
LINE INPUT (VOLTS)
LINE INPUT (VDC)
LINE INPUT (VDC)
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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.
3
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