Rugged Environment
DC-DC Converters >100 W
K-Family
Edition 2/96 - Melcher AG
8 - 13
MELCHER
The Power Partners.
8.1
Table 8b: Output data double output modules CK...LK
Output
CK...LK 2320
CK...LK 2540
CK...LK 2660
(Outputs connected in Series)
24 V (2
× 12 V)
30 V (2
× 15 V)
48 V (2
× 24 V)
Characteristics
Conditions
min
typ
max
min
typ
max
min
typ
max
Unit
Uo
Output voltage
Ui nom, Io nom
24.0 2
30.0 2
48.0 2
V
UoL
Overvoltage protection
Failure in
39
48
74
control circuit
Io nom
Output current 1
6.0
5.0
3.0
A
IoL
Output current limit 4
Ui min...Ui max
6.2
5.2
3.2
TC min...TC max
uo
Output voltage noise 3
Ui nom, Io nom
15
20
mVrms
BW = 20 MHz
200
250
mVpp
U
o
Static line regulation
Ui min...Ui nom
±40
±30
±50
mV
Ui nom...Ui max
Io nom
Static load regulation
Ui nom, Io =40
30
40
(0.1...1)
Io nom
uo d 5
Dynamic load regulation
Ui nom,
±180
±160
±90
t d 5
Recovery time of
Io =
0.3
0.2
ms
dynamic load regulation
(1...
1/2...1)Io nom
α Uo
Temperature coefficient
TC min...TC max
–2.2
–2.6
mV/K
of output voltage 6
Table 8a: Output data single output modules CK...LK
Output
CK...LK 1001
CK...LK 1301
CK...LK 1501
CK...LK 1601
5.1 V
12.0 V
15.0 V
24.0 V
Characteristics
Conditions
min
typ
max
min
typ
max
min
typ
max
min
typ
max
Unit
U
Output voltage
Ui nom, Io nom
5.07
5.13
11.93
12.07 14.91
15.09 23.86
24.14
V
UoL
Overvoltage protection
Failure in
7.6
20
26.5
39
control circuit
Io nom
Output current 1
25.0
12.0
10.0
6.0
A
IoL
Output current limit 4
Ui min...Ui max
26
12.2
10.2
6.2
TC min...TC max
uo
Output voltage noise
Ui nom, Io nom
10
555
mVrms
BW = 20 MHz
100
75
60
90
mVpp
U
o
Static line regulation
Ui min...Ui nom,
±15
±25
±30
±30 mV
Ui nom...Ui max,
Io nom
Static load regulation
Ui nom, Io =
202530
40
(0.1...1)
Io nom
u o d 5
Dynamic load regulation
Ui nom,
±100
±80
t d 5
Recovery time of
Io =
0.3
0.5
0.4
0.3
ms
dynamic load regulation
(1...
1/2...1) Io nom
α Uo
Temperature coefficient
TC min...TC max
–1
mV/K
of output voltage 6
3 Shortest possible wiring for series connection at the connector.
4 See fig. Output voltage regulation of single output units.
5 See fig. Dynamic load regulation of Uo1 and Uo2.
6 Negative temperature coefficient (0...3 mV/cell and K) available
on request.
1 If the output voltages are increased above Uo nom through R-in-
put control, option P setting, remote sensing or option T, the
output currents should be reduced accordingly so that
Po nom is
not exceeded.
2 Series connection for Uo nom = 24 V, 30 V or 48 V, see fig. 17a.