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参数资料
| 型号： | LT1840-7Z |
| 厂商： | POWER-ONE INC |
| 元件分类： | 电源模块 |
| 英文描述： | 1-OUTPUT 500 W AC-DC REG PWR SUPPLY MODULE |
| 文件页数： | 12/32页 |
| 文件大小： | 1000K |
| 代理商： | LT1840-7Z |
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BCD20023 Rev. AA, 3-Sep-2008
Page 2 of 32
www.power-one.com
T Series Data Sheet
500 Watt AC-DC Converters
Part Number Description
L T 1 7 40 -7 D F Z B1
Operating input range V
i , fi
70 – 140 VAC, 47 – 63 Hz .......................... U
85 – 255 VAC, 47 – 63 Hz ........................... L
Series ............................................................................... T
Number of outputs ........................................................... 1
Output setting voltage V
o set
24, 27.25 V .................................................. 2
48, 54.5 V .................................................... 7
40.9 V .......................................................... 8
Recifier version .................................... 01, 02 3
Battery charger version ............................. 40 4
Other voltages .................................. 00 to 99
Ambient temperature range T
A
–25 to 71 °C ................................................ -7
Customer specific ............................. -0 to -6
Auxiliary functions and options 1
Undervoltage monitor (option) .................... D
Input fuse externally accessible .................. F
Cell voltage selector switch ......................... Z 2
Baseplate (option) ..................................... B1
1
See Description of Options
2
Only for T1240/1740/1840
3
No input for battery temperature sensor
4
With input for battery temperature sensor
Example:
LT1740-7 Z: AC-DC converter, input voltage range 85 – 255 VAC, single output 50.5 – 56.5 V, 10 A,
operational ambient temperature –25 to 71 °C, with cell voltage selector switch.
Model Selection
Table 1: All models. For all models and options, contact Power-One for availibility and lead times !
Output voltage
Output current
Operating input voltage range and efficiency
Options
Vo set at Vi nom, 1/2 Io nom
Io nom
Vi min – Vi max
ηηηηηmin 1
Vi min – Vi max
ηηηηηmin 1
[VDC]
[A]
70 – 140 VAC
[%]
85 – 255 VAC
[%]
24.25
16
UT1201-7 2, 4
91
LT1201-7 2, 6
91
D
25.25 – (27.25) – 28.25
14.5
UT1240-7Z 4, 3
91
LT1240-7Z 6, 3
92
F
37.9 – (40.88) – 42.4
11
–
LT1840-7Z 6, 3
92
B1
48
11
–
LT1702-7 2, 6
93
54.5
10
UT1701-7 5
92
LT1701-7 6
93
50.5 – (54.5) – 56.5
10
UT1740-7Z 5, 3
92
LT1740-7Z 6, 3
93
1
Efficiency measured at Vi nom and Io nom.
2
Instead of output power limitation, output current limitation.
3
Output voltage range controlled by input Vcr, remote temperature sensor, and cell voltage selector switch.
4
Reduced output power for Vi = 70 – 95 VAC; see Output Power Limitation.
5
Reduced output power for Vi = 70 – 100 VAC; see Output Power Limitation.
6
Reduced output power for Vi = 85 – 155 VAC; see Output Power Limitation.
Product Marking
Basic type designation, applicable safety approval and
recognition marks, CE mark, warnings, pin designation,
Power-One company logo.
Specific type designation, input voltage range, nominal output
voltage and current, degree of protection, batch no., serial no.,
and data code including production site, version, and date of
production.
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