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K Series with PFC Data Sheet
150 – 280 Watt AC-DC Converters
Notes :
– The R-Function excludes option
P
(output
voltage
Vo2+
4
06004a
+
adjustment by potentiometer).
If the output voltages are increased above V o nom via R-input
Vo2+
6
control, option P setting, remote sensing, or option T, the
output currents should be reduced, so that P o nom is not
exceeded.
Vo2–
Vo2–
8
10
24 V
V o1 30 V
48 V
C o
– With double-output models the second output follows the
value of the controlled main output.
– In case of parallel connection the output voltages should be
individually set within a tolerance of 1 – 2%.
Vo1+
Vo1–
R
12
14
16
R ext
R' ext
–
06003a
N~
Vo1+
L~
N~
L~
16
14
12
16
14
R
S–
Vo1–
Vo1+
S+
R
S–
Vo1–
+
V ext
R' ext
R ext
Fig. 22
Double-output models:
Wiring of the R-input for output voltages 24 V, 30 V, or
48 V with both outputs in series. A ceramic capacitor (C o )
across the load reduces ripple and spikes.
Test Jacks
Test jacks (pin diameter 2 mm) for measuring the main
output voltage V o or V o1 are located at the front of the
converter. The positive test jack is protected by a series
resistor (see: Functional Description, block diagrams ).
The voltage measured at the test jacks is slightly lower
Fig. 21
than the value at the output terminals.
Output voltage control for single-output models
Table 10: R ext for V o < V o nom ; approximate values (V i nom , I o nom , series E 96 resistors); R' ext = not fitted
V o nom = 5.1 V
V o nom = 12 V
V o nom = 15 V
V o nom = 24 V
V o [V]
R ext [k ? ]
V o [V] 1
R ext [k ? ]
V o [V] 1
R ext [k ? ]
V o [V] 1
R ext [k ? ]
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
0.432
0.976
1.65
2.61
3.83
5.76
8.66
14.7
30.1
200
2
3
4
5
6
7
8
9
10
11
4
6
8
10
12
14
16
18
20
22
0.806
1.33
2
2.87
4.02
5.62
8.06
12.1
20
42.2
2
4
6
8
9
10
11
12
13
14
4
8
12
16
18
20
22
24
26
28
0.619
1.47
2.67
4.53
6.04
8.06
11
16.2
26.1
56.2
4
6
8
10
12
14
16
18
20
22
8
12
16
20
24
28
32
36
40
44
0.806
1.33
2
2.87
4.02
5.62
8.06
12.1
20
44.2
Table 10b: R’ ext for V o > V o nom ; approximate values (V i nom , I o nom , series E 96 resistors); R ext = not fitted
V o nom = 5.1 V
V o nom = 12 V
V o nom = 15 V
V o nom = 24 V
V o [V]
R' ext [k ? ]
V o [V] 1
R' ext [k ? ]
V o [V] 1
R' ext [k ? ]
V o [V] 1
R' ext [k ? ]
5.15
5.2
5.25
5.3
5.35
5.4
5.45
5.5
432
215
147
110
88.7
75
64.9
57.6
12.1
12.2
12.3
12.4
12.5
12.6
12.7
12.8
24.2
24.4
24.6
24.8
25.0
25.2
25.4
25.6
1820
931
619
475
383
316
274
243
15.2
15.4
15.6
15.8
16.0
16.2
16.4
16.5
30.4
30.8
31.2
31.6
32.0
32.4
32.8
33.0
1500
768
523
392
316
267
232
221
24.25
24.5
24.75
25.0
25.25
25.5
25.75
26.0
48.5
49.0
49.5
50.0
50.5
51.0
51.5
52.0
3320
1690
1130
845
698
590
511
442
13.0
13.2
26.0
26.4
196
169
26.25
26.4
52.5
52.8
402
383
1
First column: V o or V o1 ; second column: double-output models with outputs in series connection
BCD20001-G Rev AC, 16-Dec-2010
Page 14 of 29
www.power-one.com
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