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参数资料
| 型号： | LT1702-7D |
| 厂商： | POWER-ONE INC |
| 元件分类： | 电源模块 |
| 英文描述： | 1-OUTPUT 550 W AC-DC REG PWR SUPPLY MODULE |
| 封装： | CASE T01, MODULE |
| 文件页数： | 2/33页 |
| 文件大小： | 838K |
| 代理商： | LT1702-7D |
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T Series
AC-DC Converters >100 Watt
Rugged Environment
Edition 4/4.99
10/33
MELCHER
The Power Partners.
Electrical Output Data of Battery Charger Version
General conditions:
–
TA = 20
°C, unless T
C is specified.
–
Ui = Ui nom, f = 50 Hz
Table 7: Output data
Output
LT/UT 1240
LT/UT 1740
LT 1840
Characteristic
Conditions
min
typ max
min
typ max
min
typ
max
Unit
Uo set
Output voltage adjustment 1
Ui nom
27.25
54.5
40.88
V
Io = 0.5 Io nom
Uo set tol
Uo setting tolerance 1
27.2
27.3
54.45
54.55 40.83
40.93
Uo range
Output voltage range 2
25.25
28.25
50.5
56.5
37.9
42.4
Uo
Output voltage over input voltage
LT
Ui min...Ui max
26.8
27.6
53.8
55.0
40.3
41.3
and load 3, 1 (See fig.:
Typical output
UT
Io = 0.01 Io nom
26.9
27.65
54.0
55.1
voltage versus input voltage and
...Io nom
output current.)
Uo L
Output overvoltage protection by
32.5
59.3
48.4
electronic inhibit
aUo
Temperature coefficient of output voltage
TC fixed value
–3
–3mV/K
Io nom
Nominal output current
14.5
10
11
A
Io L
Current limit 5
20
14.5
16
Po L
Output power limit 5
Ui nom
400
550
450
W
uo
Output voltage noise
Low frequency
Io nom
0.71
1.0
0.85
Vpp
Switching freq.
IEC/EN 61204 7
40
mVpp
Total
BW = 20 MHz
0.75
1.05
0.9
Vpp
DUo I
Static load regulation 3 (See fig.:
Typical
Io = 0.01 Io nom
0.4
0.6
V
output voltage versus input voltage and
...Io nom
output current.)
DUo U
Static line regulation (See fig.:
Typical
Ui =Ui min...Ui max
0.2
0.35
0.25
output voltage versus input voltage and
Io nom
output current.)
uo d
Dynamic load regulation6
Voltage
UI nom
1.6
2.0
2.5
(See fig.:
Dynamic charac- deviation
Io nom 10%
t d
teristics under varying
Recovery time
Io nom8
0.2
s
load conditions without
IEC/EN 61204
battery back-up.)
C0
Internal output capacitance
86
41
49
mF
1 Output voltage adjustment with Ucr = 9.5 V (2.27 V/cell).
2 Defined by sensor, by remote control and by voltage selector switch.
3 Output voltage decreases with rising output current because of output voltage slope for automatic current sharing capability.
5 Due to the large output capacitors the maximum transient output current can be much higher than Io L , Po L, respectively.
6 Without battery backup.
7 See: Technical Information: Measuring and testing.
8 See fig.: Dynamic load regulation. Load current change for specified output. Other outputs loaded with Io nom.
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