A
30 Watt XW Dual Series DC/DC Converters
Manufacturing Company, Inc. Concord, California 94520 Ph: 925/687-4411 or 800/542-3355 Fax: 925/687-3333 www.calex.com Email: sales@calex.com
4
Typical Performance (Tc=25°C, Full Rated Load).
9
10111213
1415161718
LINE INPUT (VOLTS)
70
75
80
85
90
EFFICIENCY
(%)
12D EFFICIENCY Vs. LINE INPUT
50% RATED LOAD
100% RATED LOAD
36
40
44
48
52
56
60
64
68
72
LINE INPUT (VDC)
70
75
80
85
90
EFFICIENCY
(%)
48D EFFICIENCY Vs. LINE INPUT
50% RATED LOAD
100% RATED LOAD
18
20
22
24
26
28
30
32
34
36
LINE INPUT (VOLTS)
70
75
80
85
90
EFFICIENCY
(%)
24D EFFICIENCY Vs. LINE INPUT
50% RATED LOAD
100% RATED LOAD
7
8
9
1011
1213
141516
1718
LINE INPUT VOLTAGE
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
INPUT
CURRENT
(AMPS)
12D INPUT CURRENT Vs. LINE INPUT
50% RATED LOAD
100% RATED LOAD
32
36
40
44
48
52
56
60
64
68
72
LINE INPUT (VOLTS)
0.00
0.25
0.50
0.75
1.00
1.25
INPUT
CURRENT
(AMPS)
48D INPUT CURRENT Vs. LINE INPUT
50% RATED LOAD
100% RATED LOAD
12
14
16
18
20
22
24
26
28
30
32
34
36
LINE INPUT (VOLTS)
0.0
0.5
1.0
1.5
2.0
2.5
INPUT
CURRENT
(AMPS)
24D INPUT CURRENT Vs. LINE INPUT
50% RATED LOAD
100% RATED LOAD
0
10
2030
405060
7080
90
100
LOAD (%)
-1.0
-0.5
0.0
0.5
1.0
NORMALIZED
OUTPUT
(%)
CROSS REGULATION Vs. LOAD
OUTPUT WITH LOAD VARIED
OUTPUT HELD AT 100% FULL LOAD
-30
-20
-10
0
10
20
30
40
50
60
70
80
CASE TEMPERATURE (DEG C)
-0.5
-0.4
-0.3
-0.2
-0.1
-0.0
0.1
0.2
0.3
NORMALIZED
OUTPUT
(%)
OUTPUT VOLTAGE Vs. CASE TEMPERATURE
0
25
50
75
100
125
150
175
200
225
250
LOAD (%)
0
10
20
30
40
50
60
70
80
90
100
110
NOMINAL
OUTPUT
(%)
OUTPUT VOLTAGE Vs. LOAD
CONSTANT CURRENT MODE
→
"HICK-UP" MODE
→
FREQUENCY (Hz)
ATTENUATION
(dB)
LINE TO OUTPUT TRANSFER FUNCTION
-40
-45
-50
-55
-50
10
100
1K
10K
100K
FREQUENCY (Hz)
OUTPUT
IMPEDANCE
(Ohms)
OUTPUT IMPEDANCE Vs. FREQUENCY
NEGATIVE OUTPUT
POSITIVE OUTPUT
1.0
0.1
10
100
1K
10K
100K
1M