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LT1240-7 PDF预览

LT1240-7

更新时间: 2024-11-23 06:18:59
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31页 779K
描述
AC-DC Regulated Power Supply Module, 1 Output, 400W, CASE T01, MODULE

LT1240-7 数据手册

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T Series Data Sheet  
500 Watt AC-DC Converters  
®
Features  
• Universal AC input range 70 to 255 VAC with PFC  
• Class I equipment  
• DC output for 24 and 48 V loads  
• Battery charging for 24 and 48 V batteries with remote  
temperature control  
• 4 kVAC I/O electric strength test voltage  
Telecom rectifier applications  
• Very high efficiency, typically 93%  
• Power factor >0.96, harmonics according to IEC/EN  
61000-3-2, low RFI  
• No inrush current, hot swap capability  
• High power density, rugged mechanical design, all  
boards covered with a protective lacquer  
• Very compact 19" cassette (28 TE, 3 U, 160 mm)  
Safety according to IEC/EN 60950-1 and UL/CSA  
60950-1 2nd Ed.  
111  
4.4"  
3 U  
141  
5.6"  
28 TE  
168  
6.6"  
output voltage is backed-up by a battery. The float charge of the  
battery can be set by a cell-voltage selector switch according to  
the battery type used. These converters are equipped with a  
temperature sensor input, in order to improve the life  
expectancy of the battery.  
Description  
The T Series converters are electrically isolated AC-DC  
converters with an output power of up to 550 W. For higher  
power requirements several converters may be connected in  
parallel.  
The rectifier models are suited for DC-bus applications at  
constant voltage. As the output voltage is SELV, even  
electrically non-isolated switching regulators, such as the PSx  
models, may be connected to the output.  
The input is ideally adapted to the mains: Full power factor  
correction, no inrush current, low RFI level, and high transient  
and surge immunity are key design features. A T Series  
converter behaves similar to a resistive load.  
The LT/UT1701 models are especially optimized to build  
distributed power systems together with the 48Q, CQ, or CP  
Series DC-DC converters, as the signalling capabilities of  
both families are matched. Distributed power systems have  
as one advantage less power losses over load lines and fewer  
regulation problems.  
The LT models can be operated from a universal AC-input  
range from 85 to 255 VAC. It is the preferred type for 230 VAC  
mains, whereas the UT models are optimized for 110/  
120 VAC mains. The output delivers an electrically isolated  
Safety Extra Low Voltage (SELV) and is short-circuit and no-  
load proof. Depending on the type, two output characteristics  
are available, intended either for rectifier applications or for  
battery charging purposes.  
Power-One also offers backplanes for fast and simple set-up  
of 19" DIN-rack systems with T Series converters; see  
Accessories.  
The latter types can be integrated into systems, where the  
Table of Contents  
Page  
Page  
Different Configurations and Applications ....................... 18  
Electromagnetic Compatibility (EMC) .............................. 21  
Environmental Conditions ............................................... 22  
Mechanical Data ............................................................... 24  
Safety and Installation Instructions .................................. 25  
Description of Options ..................................................... 28  
Accessories ...................................................................... 29  
Description ......................................................................... 1  
Model Selection .................................................................. 2  
Functional Description ....................................................... 3  
Electrical Input Data ........................................................... 4  
Electrical Output Data ......................................................... 6  
Control Features of the Battery Chargers ........................ 11  
Auxiliary Functions ............................................................ 13  
BCD20023 Rev AB, 02-Nov-2010  
Page 1 of 31  
www.power-one.com  

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