LK5660-7R POWER ONE, LK5660-7R Datasheet - Page 23

• Manufacturer Part Number: LK5660-7R
• Description: CONVERTER AC/DC 225VIN 48VOUT
• Manufacturer: POWER ONE
• Series: Kr

Specifications of LK5660-7R

• Voltage - Output: 24V
• Number Of Outputs: 2
• Power (watts): 150W
• Applications: Commercial
• Power Supply Type: Switching (Closed Frame)
• Voltage - Input: 85 ~ 255VAC
• Mounting Type: Chassis Mount
• 1st Output: 24 VDC @ 3A
• 2nd Output: 24 VDC @ 3A
• Size / Dimension: 6.63" L x 4.37" W x 3.15" H (168.5mm x 111mm x 80mm)
• Power (watts) - Rated: 150W
• Operating Temperature: -25°C ~ 71°C
• Efficiency: 83%
• Approvals: CE, cUL, EN, TUV
• Output Voltage (channel 1): 24 V
• Output Current (channel 1): 3 A
• Output Voltage (channel 2): 24 V
• Output Current (channel 2): 3 A
• Isolation Voltage: 2.8 KV
• Output Type: Isolated
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• 3rd Output: -
• 4th Output: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: LK 5660-7R; LK 5660-7R; Q1660869

Fig. 34
Typ. inrush current with option E
V
Table 20: Inrush current characteristics with option E
P Potentiometer
A potentiometer provides an output voltage adjustment
range of +10/–60% of V
in the front cover. Option P is not available for battery
charger models and is not recommended for converters
connected in parallel.
Option P excludes the R-function. With double-output
models, both outputs are influenced by the potentiometer
setting (doubling the voltage, if the outputs are in series).
If the output voltages are increased above V
control, option P setting, remote sensing, or option T, the
output current(s) should be reduced accordingly, so that
P
T Current Sharing
This option ensures that the
output currents are approx-
imately shared between all
parallel-connected
ers, hence increasing sys-
tem reliability. To use this
facility, simply interconnect
the T pins of all converters
and make sure that the
reference for the T signal
BCD20001-G Rev AC, 16-Dec-2010
Characteristics
V
I
t
i
o nom
Note: Subsequent switch-on cycles at start-up are limited to
max. 10 cycles during the first 20 seconds (cold converter)
and then to max. 1 cycle every 8 s.
inr p
inr
= 230 VAC, f
i
= 230 VAC
–10
20
15
10
–5
5
0
is not exceeded.
I
i
[A]
Peak inrush current
Inrush current duration
0
10
i
= 50 Hz, P
20
convert-
o nom
30
t
o
inr
= P
. It is accessible through a hole
Capacitor C
fully charged
40
Normal operation
(FET fully conducting)
o nom
Fig.35
Example of poor wiring
for connection in parallel
50
60
all models
i
typ
Vo–
Vo+
Vo–
Vo+
Vo–
35
Vo+
–
70
o nom
max
25.3
11003a
11002b
50
80 ms
via R input
Load
t
Unit
Page 23 of 29
ms
A
(pin 14: S– or Vo1–), are also connected together. The
load lines should have equal length and cross section to
ensure equal voltage drops.
Not more than 5 converters should be connected in parallel.
The R pins should be left open-circuit. If not, the output
voltages must be individually adjusted prior to paralleling
within 1 to 2% or the R pins should be connected together.
Parallel connection of converters with option P is not recom-
mended.
Fig. 36
Paralleling of single-output models using option T with
the sense lines connected at the load
Fig. 37
Paralleling of double-output models with the outputs
connected in series, and using option T with power bus.
The signal at the T pins is referenced to Vo1–.
150 – 280 Watt AC-DC Converters
Max. 5 converters in parallel connection
1
2
Max. 5 converters in parallel connection
Lead lines should have equal length and cross
Diodes recommended in redundant operation only
section, and should run in the same cable loom.
Converter
Converter
Converter
K Series with PFC Data Sheet
Converter
11036b
11037b
Vo+
S+
T
S–
Vo–
Vo+
S+
T
S–
Vo–
Vo2+
Vo2–
T
Vo1+
Vo1–
Vo2+
Vo2–
T
Vo1+
Vo1–
2
2
www.power-one.com
Power bus
+
1
1
1
1
–
Load
Load