參數(shù)資料
型號： LK4301-7ER
廠商： POWER-ONE INC
元件分類： 電源模塊
英文描述： 1-OUTPUT 150 W AC-DC PWR FACTOR CORR MODULE
封裝： HEAT SINK, METAL, CASE K02
文件頁數(shù)： 15/28頁
文件大?。?/td> 627K
代理商： LK4301-7ER
BCD20001-G Rev AB
Page 22 of 28
www.power-one.com
K Series with PFC Data Sheet
150 – 280 Watt AC-DC Converters
Fig. 35
Paralleling of single-output models using option T with
the sense lines connected at the load
1
Lead lines should have equal length and cross section,
and should run in the same cable loom.
2
Diodes recommended in redundant operation only
Fig. 36
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–.
Fig. 33
Typ. inrush current with option E
Vi = 230 VAC, f i = 50 Hz, Po = Po nom
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
con-
verters with option P is not
recommended.
Load
1
2
S+
Vo+
Vo–
S–
N~
L~
T
N~
L~
S+
Vo+
Vo–
S–
T
1
Max. 5 converters in parallel connection
11036a
Converter
Table 20: Inrush current characteristics with option E
Characteristics
all models
Unit
Vi = 230 VAC
typ
max
Iinr p
Peak inrush current
–
25.3
A
t inr
Inrush current duration
35
50
ms
P Potentiometer
A potentiometer provides an output voltage adjustment
range of +10/–60 % of Vo nom. It is accessible through a hole
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 units
both outputs are influenced by the potentiometer setting
(doubling the voltage, if the outputs are in series).
If the output voltages are increased above Vo nom via R
input control, option P setting, remote sensing or option T,
the output current(s) should be reduced accordingly, so
that Po nom is not exceeded.
Fig. 32
Option E block diagram
Input
Filter
Control
Converter
FET
Ci
RI
RS
Rectifier
PFC
-
correct.
1
001a
+
T Current Sharing
This
option
ensures
that
the
output
currents
are
approximately shared between all parallel-connected
converters, hence increasing system reliability. To use this
facility, simply interconnect the T pins of all converters and
make sure that the reference for the T signal, pin 14 (S– or
the Vo1–), are also connected together. The load lines
should have equal length and cross section to ensure
equal voltage drops.
Fig.34
Example of poor wiring
for connection in parallel
Vo+
Vo–
Vo+
Vo–
Load
Vo+
Vo–
11003_102005
Load
Max. 5 converters in parallel connection
+–
Power bus
Converter
Vo2–
Vo2+
Vo1–
Vo1+
T
Converter
Vo2–
Vo2+
Vo1–
Vo1+
T
11037a
N~
L~
N~
15
Ii [A]
10
5
0
–5
–10
0
20
40
60
80 ms
t
tinr
Capacitor Ci
fully charged
Normal operation
(FET fully conducting)
20
10
50
70
30
11002a
相關(guān)PDF資料
PDF描述
LK4301-9PD5TB1 1-OUTPUT 150 W AC-DC PWR FACTOR CORR MODULE
LK5660-7ERD5TB1 2-OUTPUT 150 W AC-DC PWR FACTOR CORR MODULE
LK4501-9RD1TB1 1-OUTPUT 150 W AC-DC PWR FACTOR CORR MODULE
LK4601-7ERD3TB1 1-OUTPUT 150 W AC-DC PWR FACTOR CORR MODULE
LK5660-7ERD2TB1 2-OUTPUT 150 W AC-DC PWR FACTOR CORR MODULE
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