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參數(shù)資料
| 型號(hào)： | LKP5740-6R |
| 廠商： | POWER-ONE INC |
| 元件分類： | 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 |
| 文件頁數(shù)： | 7/28頁 |
| 文件大小： | 674K |
| 代理商： | LKP5740-6R |
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BCD20001-G Rev AB
Page 15 of 28
www.power-one.com
K Series with PFC Data Sheet
150 – 280 Watt AC-DC Converters
Display Status of LEDs
Battery Charging / Temperature Sensor
All converters with an R-input are suitable for battery
charger applications, but we recommend to choose the
models especially designed for this application, see Model
Selection, table 2.
For optimal battery charging and life expectancy of the
battery an external temperature sensor can be connected
to the R-input. The sensor is mounted as close as possible
to the battery and adjusts the output voltage according to
the battery temperature.
Depending
upon
cell
voltage
and
the
temperature
coefficient of the battery, different sensor types are
available, see: Accessories.
2.10
2.15
2.20
2.25
2.30
2.35
2.40
2.45
Cell voltage [V]
–20
–10
0
10
20
30
40
°C
06139a
VC = 2.27 V, –3 mV/K
VC = 2.27 V, –3.5 mV/K
VC = 2.23 V, –3 mV/K
VC = 2.23 V, –3.5 mV/K
Vo nom
Fig. 25
Trickle charge voltage versus temperature for defined
temperature coefficient. Vo nom is the output voltage with
open R-input.
LEDs "OK ", "i " and "Io L" status versus input voltage
Conditions: Io
≤ Io nom, TC ≤ TC max, Vinh ≤ 0.8 V
Vi uv = undervoltage lock-out, Vi ov = overvoltage lock-out
LEDs "OK " and "Io L" status versus output current
Conditions: Vi min – Vi max, TC
≤ TC max, Vinh ≤ 0.8 V
LED "i " versus case temperature
Conditions: Vi min – Vi max , Io
≤ Io nom, Vinh ≤ 0.8 V
LED "i " versus Vinh
Conditions: Vi min – Vi max , Io
≤ Io nom, TC ≤ TC max
Vo1 > 0.95 to 0.98Vo1 adj
Vi max Vi ov
Vi min
Vi uv
Vi
Vi abs
OK
i
Vo1 > 0.95 to 0.98Vo1 adj
Io nom
IoL
Io
OK
Io L
Vo1 < 0.95 to 0.98Vo1 adj
TC
i
TC max
TPTC threshold
Vi inh
i
+50 V
+0.8 V
+2.4 V
-50 V
Vinh threshold
Io L
LED off
LED on
LED Status undefined
06002_011106
Fig. 23
LED indicators
Fig. 24
Connection of a temperature sensor
Power
supply
Load
–
+
Input
Vo–
R
Temperature sensor
03099d
Battery
Vo+
+
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