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参数资料
| 型号： | CG3020-9DB |
| 厂商： | POWER-ONE INC |
| 元件分类： | 电源模块 |
| 英文描述： | 3-OUTPUT 25 W DC-DC REG PWR SUPPLY MODULE |
| 文件页数： | 13/16页 |
| 文件大小： | 158K |
| 代理商： | CG3020-9DB |
Board Mountable
DC-DC Converters
G Series
Edition 1/06.2002
6/16
Fig. 5
Efficiency versus input voltage at Io nom.
Fig. 6
Efficiency versus load and input voltage with currents on
outputs equally rated.
Typical Performance Curves
(measured with a BG 3040-7)
General conditions:
–
TA = 25
°C, unless T
C is specified.
– Nominal loads (
Io1 nom, Io2 nom, Io3 nom), unless otherwise specified.
– Connector pins i (inhibit) and Vi– interconnected.
– R input not connected.
– Input voltage =
Ui nom unless otherwise specified.
Fig. 3
Cross load regulation with load variation from 0...100% on
output 1. Zero load condition on output 2 and 3.
Fig. 4
Cross load regulation with load variation from 0...100% on
output 2. Zero load condition on output 1 and 3.
0
5
10
15
25
Po1 [W]
0.92
0.96
1
1.04
1.08
20
0.94
0.98
1.02
1.06
+1%
+5%
–5%
–1%
Uo3
Uo2
Uo1
06014
Uox
Uox nom
0
5
10
15
25
Po2 [W]
0.92
0.96
1
1.04
1.08
20
0.94
0.98
1.02
1.06
+1%
+5%
–5%
–1%
Uo2
Uo1
Uo3
Uox
Uox nom
06015
14 16 18
20
22
24
26
28
30
Ui [V]
85
86
88
90
η [%]
32
34
36
87
89
06016
20
30
40
50
60
70
80
90
100
Io nom [%]
65
70
75
80
85
90
η [%]
Ui min
Ui nom
Ui max
06017
Output Voltage Regulation of Multi Output Modules
Under normal operating conditions the main ouput voltage
Uo1 is regulated to Uo1 nom. The regulation of the second and
third output voltages relies on the close magnetic coupling
of the transformer windings and the circuit symmetry. The
applied control philosophy to the power train necessitates
no minimum load at any of the outputs for correct operation
and no output voltage will drift under no-load condition. For
triple output units the output voltages of the two auxiliary
outputs (
Uo2, Uo3) will remain within
±5% (U
i > Ui nom) if the
output power difference between one auxiliary output (
Uo2,
Uo3) and the main output (Uo1) is less than 12 W.
Fig. 8
Output voltage deviation versus case temperature.
Fig. 7
Efficiency versus case temperature at I
o nom.
–60
–40
–20
0
20
40
60
80
100
TC [°C]
–3
–2
–1
0
1
2
η [%]
3
06018
–60
–40
–20
0
20
40
60
80
100
TC [°C]
–1
–0.8
–0.6
–0.4
–0.2
0
0.2
0.4
0.6
U
o [%]
Uo2
Uo1
Uo3
06019
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