參數(shù)資料
型號: LKP5742-7R
英文描述: 250 Watt AC-DC Converters
中文描述: 250瓦AC - DC轉換器
文件頁數(shù): 2/4頁
文件大?。?/td> 90K
代理商: LKP5742-7R
2
www.power-one.com
Edition 4/04.2001
Cassette Style
KP Series with PFC
Input
Input voltage AC
Input frequency
Power factor
Inrush current limitation
187...255 V AC
50/60 Hz
per IEC/EN 61000-3-2
by thermistor
>95%
Output
Efficiency
Output voltage setting accuracy U
i nom
, I
o nom
Output voltage switching noise
Line regulation
Load regulation
Minimum load
Current limitation
Operation in parallel
Hold-up time
U
i nom
, I
o nom
up to 86%
±
0.6% U
o nom
typ. 0.6% U
o nom
typ.
±
0.1% U
o nom
typ. 0.4%
IEC/EN 61204, total
U
i min
...U
i max
, I
o nom
U
i nom
, 0.1...I
o nom,
symmetrical output load
not required
foldback U/I characteristic
by current limitation
U
i nom
, I
o nom
0 A
typ. 110...100% I
o nom
9 ms
Control and protection
Input fuse
Input undervoltage lockout
Input overvoltage lockout
Input transient protection
Output
Output overvoltage
Overtemperature
Output voltage adjustment
Inhibit
Status indication
not user accessible
4 AT
typ. 80% U
i min
typ. 115% U
i max
varistor
no-load, overload and short circuit proof
suppressor diode in each output
switch-off with auto restart
typ. 130% U
o nom
T
C
typ. 100
°
C
0...110% U
o nom
TTL input, output(s) disabled if open circuit
LEDs: OK, inhibit, overload
Safety
Approvals
Class of equipment
Protection degree
Electric strength test voltage
EN 60950, UL 1950, CSA 22.2 No. 950
class I
IP 30
2 kV AC
4 kV AC
1 kV AC
0.1 kV AC
I/case
I/O
O/case
O/O
EMC
Electrostatic discharge
Electromagnetic field
Electr. fast transients/bursts
Surge
Conducted disturbances
Electromagnetic emissions
IEC/EN 61000-4-2, level 4 (8/15 kV)
IEC/EN 61000-4-3, level 3 (10 V/m)
IEC/EN 61000-4-4, level 4 (2/4 kV)
IEC/EN 61000-4-5, level 3 (2 kV)
IEC/EN 61000-4-6, level 3 (10 V)
CISPR 22/EN 55022
criterion A
criterion A
criterion A
criterion B
criterion A
class B
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