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参数资料
| 型号： | LS4601-7RB2 |
| 厂商： | POWER-ONE INC |
| 元件分类： | 电源模块 |
| 英文描述： | 1-OUTPUT 100 W AC-DC PWR FACTOR CORR MODULE |
| 封装： | METAL, CASE S02, MODULE |
| 文件页数： | 22/27页 |
| 文件大小： | 599K |
| 代理商： | LS4601-7RB2 |
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Cassette Style
100 Watt AC-DC Converters
S Series PFC
Edition 01/01.2001
4/27
Rs ext
Ri
RNTC
Iinr p
Ui rms
Ci
04001
Input Under-/Overvoltage Lock-out
If the input voltage remains below approx. 65 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
Ui min and the undervoltage lock-out
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.
Input Fuse
A fuse mounted inside the converter protects the module
against severe defects. (If operated from a DC-source this
fuse may not fully protect the module when the input volt-
age exceeds 200 V DC! In applications where the convert-
ers operate at source voltages above 200 V DC an external
fuse or a circuit breaker at system level should be installed!)
Table 3: Fuse Specication
Module
Fuse type
Fuse rating
LS 1
slow-blow
SP T
4 A, 250 V
1 Fuse size 5
× 20 mm
Fig. 3
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.
– Sense line pins S+ and S– connected to Vo+ and Vo– respectively.
Table 2: Input data
Input
LS
Characteristics
Conditions
min
typ
max
Unit
Ui
Operating Input voltage
Io = 0...Io nom
85
255
V AC 3,4
Ui nom Nominal Input voltage
TC min...TC max
230
Ii
Input current
Ui nom, Io nom 1
0.55
Arms
Pi0
No-load input power
Ui min…Ui max
9.0
10
W
Pi inh
Idle input power
unit inhibited
3.5
5
Ri
Input resistance
TC = 25°C
480
m
RNTC
NTC resistance 2
3200
4000
Ci
Input capacitance
80
100
120
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 Valid for -7 versions with NTC, (-9 versions exclude the NTC). Initial switch-on cycle. Subsequent switch-on/off cycles increase the in-
rush current peak value.
3 AC frequency range 47...63 Hz.
4 For DC-input please ask your local Power-One partner.
Reverse Polarity Protection
Should the input voltage to the unit be supplied from a DC
source the built-in bridge rectier provides reverse polarity
protection. (For DC-input operation, please consult your lo-
cal Power-One partner.)
Inrush Current Limitation
The modules of the versions -7, incorporate an NTC resis-
tor in the input circuitry which – at initial turn on – reduces
the peak inrush current value by a factor of 5...10 to protect
connectors and switching devices from damage. Subse-
quent switch-on cycles within short periods will cause an
increase of the peak inrush current value due to the warm-
ing-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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