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參數(shù)資料
| 型號： | LKP5662-7ERD0B1 |
| 元件分類： | 電源模塊 |
| 英文描述： | 2-OUTPUT 250 W AC-DC PWR FACTOR CORR MODULE |
| 封裝： | METAL, CASE K02, MODULE |
| 文件頁數(shù)： | 18/23頁 |
| 文件大?。?/td> | 534K |
| 代理商： | LKP5662-7ERD0B1 |
Cassette Style
AC-DC Converters
KP Series
Edition 01/01.2001
4/23
Rs ext
Ri
RNTC
Iinr p
Ui rms
Ci
04001
Input Fuse
A fuse mounted inside the converter protects the module
against severe defects.
Table 3: Fuse Specication
Module
Fuse type
Fuse rating
LKP 5000 1
slow-blow
SP T
4 A, 250 V
1 Fuse size 5
× 20 mm
Input Under-/Overvoltage Lock-out
If the input voltage remains below approx. 110 V AC or ex-
ceeds approx. 280 V AC an internally generated inhibit sig-
nal disables the output(s). When checking this function the
absolute maximum input voltage rating
Ui abs should be
considered! Between
level the output voltage may be below the value defined in
table:
Output data (see: Technical Information: Measuring
and Testing).
Input Transient Protection
A VDR together with the input fuse and a symmetrical input
lter form an effective protection against high input tran-
sient voltages.
Fig. 2
Equivalent circuit diagram for input impedance
Electrical Input Data
General Conditions
–
TA = 25
°C, unless T
C is specied.
– Pin 18 connected to pin 14,
Uo adjusted to Uo nom (option P); R input not connected.
Table 2: Input data
Input
LKP
Characteristics
Conditions
min
typ
max
Unit
Ui
Operating input voltage
Io = 0…Io nom
187
255
V AC 3
Ui nom Nominal input voltage
TC min…TC max
230
Ii
Input current
Ui nom, Io nom 1
1.25
Arms
Pi o
No-load input power
Ui min…Ui max
710
W
Pi inh
Idle input power
unit inhibited
2
3
Ri
Input resistance
TC = 25°C
480
m
RNTC
NTC resistance 2
3200
4000
Ci
Input capacitance
52.8
66
79.2
F
Ui RFI
Conducted input RFI
EN 55022
B
Radiated input RFI
Ui nom, Io nom
B
Ui abs
Input voltage limits
–400
400
V DC
(without damage)
–400
400
VP
1 With double output modules, both outputs loaded with Io nom.
2 Initial switch-on cycle. Subsequent switch-on/off cycles increase the inrush current peak value.
3 AC frequency range 47...63 Hz.
Inrush Current Limitation
The modules of the versions -5, -6, -7 incorporate an NTC
resistor in the input circuitry which - at initial turn on - re-
duces the peak inrush current value by a factor of 5...10 to
protect connectors and switching devices from damage.
Subsequent switch-on cycles within short periods will
cause an increase of the peak inrush current value due to
the warming-up of the NTC resistor. See also:
E option.
Inrush Current Peak Value
The inrush current peak value (initial switch-on cycle) can
be determined by following calculation:
Ui rms
√2
Iinr p = ––––––––––––––––
(
Rs ext + Ri + RNTC)
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