Datasheet > LT1240-7FB1

LT1240-7FB1

更新时间： 2024-11-22 15:46:47

品牌	Logo	应用领域
BEL		/
页数	文件大小	规格书
31页	779K
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AC-DC Regulated Power Supply Module

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LT1240-7FB1 技术参数

生命周期：	Obsolete	包装说明：	,
Reach Compliance Code：	compliant	ECCN代码：	EAR99
风险等级：	5.84	模拟集成电路 - 其他类型：	AC-DC REGULATED POWER SUPPLY MODULE
Base Number Matches：	1

LT1240-7FB1 数据手册

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 2^ndEd.

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

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

12 3 4 5 6 7...31

中文翻译

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与LT1240-7FB1相关器件

型号	品牌	获取价格	描述	数据表
LT1240-7Z	POWER-ONE	获取价格	500 Watt AC-DC Converters
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LT1241CJ8#PBF	Linear	获取价格	IC,SMPS CONTROLLER,CURRENT-MODE,BIPOLAR,DIP,8PIN,CERAMIC
LT1241CN8	Linear	获取价格	LT1241 - High Speed Current Mode Pulse Width Modulators; Package: PDIP; Pins: 8; Temperatu
LT1241CN8#PBF	Linear	获取价格	LT1241 - High Speed Current Mode Pulse Width Modulators; Package: PDIP; Pins: 8; Temperatu
LT1241CS8	Linear	获取价格	LT1241 - High Speed Current Mode Pulse Width Modulators; Package: SO; Pins: 8; Temperature
LT1241CS8#PBF	Linear	获取价格	LT1241 - High Speed Current Mode Pulse Width Modulators; Package: SO; Pins: 8; Temperature

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