参数资料
型号: LT1740-7Z
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: 13/32页
文件大小: 1000K
代理商: LT1740-7Z
BCD20023 Rev. AA, 3-Sep-2008
Page 20 of 32
www.power-one.com
T Series Data Sheet
500 Watt AC-DC Converters
T1740-7DZ
48Q/CQ
T1740-7DZ
System
controller
48 V power bus (SELV)
(50.5 to 56.5 V)
Back-up
battery
48 V
12 V, 16 A
(8 A*)
24 V, 8 A
(4 A*)
+5.1 V, 64 A (48 A*)
power down
DC bus good
output good
N L
+
* For redundancy,
decoupling at the 48Q/CQ-
outputs with diodes is required.
Fuse
06085a
Temp. sensor
Fig. 38
UPS uninteruptable
power supply system
Fig. 39
Front end with various loads (example)
48Q/CQ
1001
48Q/CQ
2320
PSB
245
T1701
System
controller
48 V power bus (SELV)
(53 to 56 V)
Cooling fan
±12 V, 4 A
+24 V, 5 A
+5.1 V, 32 A
power down
DC bus good
output good
L
N
M
PCB heating
Lamps
Vo+
Vo–
48Q/CQ
1001
06086a
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