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K Series with PFC Data Sheet
150 – 280 Watt AC-DC Converters
Electrical Output Data
General Conditions:
– T A = 25 °C, unless T C is specified.
– Pin 18 (i) connected to pin 14 (S– or Vo1–), R input not connected, V o adjusted to V o nom (option P),
– Sense line pins 12 (S+) and 14 (S –) connected to pins 4 (Vo1+) and 8 (Vo1–), respectively.
Table 5: Output data of single-output models
Model
LK4002 / LK4003 LK4301 / LK4740 5
LK4501
LK4601
Unit
Nom. output voltage
5.1 V
12 V 5
15 V
24 V
Characteristics
Conditions
min
typ max min
typ max min
typ
max min typ
max
V o
Output voltage
V i nom , I o nom
5.07
5.13 11.93 5
12.07 5 14.91
15.09 23.86
24.14
V
V o BR
Overvoltage protection
6
15.2/17 5
19.6
28.5
(suppressor diode) 6
I o nom
Output current nom. 1
V i min – V i max
20/25 7
12 /10 5
10
6
A
T C min – T C max
I oL
Output current limit
V i min – V i max
21/26 7
12.2/10.2 5
10.2
6.2
v o
Output Low frequency V i nom , I o nom
noise 3
Switching frequ. BW = 20 MHz
Total incl. spikes
2
15
25
2
5
40
2
5
40
2
5
40
mV pp
? V o u
Static line regulation
V i min – V i max
±5
±12
±15
±24
mV
with respect to V i nom
I o nom
? V o I
Static load regulation
V i nom
–15
–25
–30
– 40
(0.1 – 1) I o nom
v o d
Dynamic Voltage
V i nom
±100
±100
±100
±100
load deviation 2
I o nom ? 1 / 2 I o nom
t d
regulat. 2
Recovery time 2
0.3
0.4
0.4
0.3
ms
α vo
Temperature coefficient T C min – T Cmax
±0.02
±0.02
±0.02
±0.02
%/K
of output voltage 4
I o nom
1
2
3
4
5
6
7
If the output voltages are increased above V o nom through R-input control, option P setting, remote sensing or option T, the output
currents should be reduced accordingly so that P o nom is not exceeded.
See fig. 14 (Dynamic Load Regulation)
Measured according to IEC/EN 61204 with a probe according to annex A
For battery charger applications, a defined negative temperature coefficient can be provided by using a temperature sensor (see
Accessories) , but we recommend choosing special battery charger models.
Especially designed for battery charging using the temperature sensor; see Accessories . V o is set to 12.84 V ±1% (R-input
open)
Breakdown voltage of the incorporated suppressor diode (1 mA; 10 mA for 5 V output). To exceed V o BR is dangerous for the
suppressor diode.
1 st value for LK4002-7, 2 nd value for LK4003-6
BCD20001-G Rev AC, 16-Dec-2010
Page 8 of 29
www.power-one.com
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