參數(shù)資料
型號(hào)： LKP5740-6R
廠商： POWER-ONE INC
元件分類(lèi)： 電源模塊
英文描述： 2-OUTPUT 250 W AC-DC PWR FACTOR CORR MODULE
封裝： HEAT SINK, METAL, CASE K02, MODULE
文件頁(yè)數(shù)： 24/28頁(yè)
文件大?。?/td> 674K
代理商： LKP5740-6R
BCD20001-G Rev AB
Page 5 of 28
www.power-one.com
K Series with PFC Data Sheet
150 – 280 Watt AC-DC Converters
Electrical Input Data
General Conditions:
– TA = 25 °C, unless TC is specified.
– Pin 18 connected to pin 14, R input not connected, Vo adjusted to Vo nom (option P)
– Sense line pins S+ and S– connected to Vo+ and Vo–, respectively.
Table 3: Electrical input data
Input
LK
LKP
Characteristics
Conditions
min
typ
max
min
typ
max
Unit
Vi
Rated input voltage range
Io = 0 – Io nom
100
240
200
240
VAC 1
Vi op
Operating input voltage range
TC min to TC max
85
264
187
255
Vi nom
Nominal input voltage
50 – 60 Hz
230
Ii
Input current
Vi nom, Io nom 2
0.8
1.25
A
Pi0
No-load input power
Vi min – Vi max, Io = 0
9
10
9
10
W
Pi inh
Idle input power
converter inhibited
3.5
5
3.5
5
Ri
Input resistance
480
m
RNTC
NTC resistance (see fig. 3)3
conv. not operating
3200
4000
3200
4000
Ci
Input capacitance
80
100
120
110
136
165
F
Vi RFI
Conducted input RFI
EN 55011/55022
B
Radiated input RFI
Vi nom, Io nom
AB
Vi abs
Input voltage limits
283
VAC
without damage
–400
400
–400
400
VDC4
1 Rated input frequency: 50 – 60 Hz, operating frequency range: 47 – 63 Hz. For operation at other frequencies, contact Power-One.
2 With double-output models, both outputs loaded with Io nom
3 Valid for models without option E. This is the NTC resistance value at 25 °C and applies to cold converters for the initial switch-on
cycle. Subsequent switch-on/off cycles increase the inrush current peak value.
4 Operation with DC input voltage is not specified and not recommended.
Input Transient Protection
A VDR together with the input fuse and a symmetrical input
filter form an effective protection against high input
transient voltages.
Input Fuse
A fuse mounted inside the converter in series to the phase
line protects against severe defects. A second fuse in the
neutral line may be necessary in certain applications; see
Installation Instructions.
Table 4: Fuse specification
Model
Fuse type
Fuse rating
LK4/5000
slow-blow
SP T, 4 A, 250 V, 5
× 20 mm
LKP
slow-blow
SP T, 4 A, 250 V, 5
× 20 mm
Input Under- /Overvoltage Lockout
If the input voltage remains below approx. 65 VAC (LKP:
150 VAC) or exceeds Vi abs, an internally generated inhibit
signal disables the output(s). Do not check the overvoltage
lockout function!
If Vi is below Vi min, but above the undervoltage lockout
level, the output voltage may be below the value specified
in the tables Electrical Output Data.
Inrush Current Limitation
The models without option E incorporate an NTC resistor in
the input circuitry, which at initial turn-on reduces the peak
inrush current value by a factor of 5 to 10 to protect
connectors and switching devices from damage. Sub-
sequent 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.
The inrush current peak value (initial switch-on cycle) can
be determined by following calculation:
Vi
√ 2
––
Iinr p = ––––––––––––––––
(Rs ext + Ri + RNTC)
Fig. 3
Equivalent circuit diagram for input impedance.
Rs ext
Ri
RNTC
Iinr p
Vi
Ci
04001a
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