LT1240-7DB1 datasheet, PDF - EEWORLD Datasheet

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LT1240-7DB1: DescriptionAC-DC Regulated Power Supply Module, 1 Output, 400W, CASE T01, MODULE; CategoryPower/power management The power supply circuit; File Size780KB，31 Pages; ManufacturerBel; Websitehttp://www.belfuse.com

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LT1240-7DB1 Overview

AC-DC Regulated Power Supply Module, 1 Output, 400W, CASE T01, MODULE

LT1240-7DB1 Parametric

Parameter Name	Attribute value
Brand Name	Power-One
Is it Rohs certified?	incompatible
Maker	Bel
Parts packaging code	MODULE
package instruction	,
Manufacturer packaging code	CASE T01
Reach Compliance Code	compliant
ECCN code	EAR99
Analog Integrated Circuits - Other Types	AC-DC REGULATED POWER SUPPLY MODULE
Maximum input voltage	255 V
Minimum input voltage	85 V
JESD-30 code	R-XXMA-X
JESD-609 code	e0
Number of functions	1
Output times	1
Maximum operating temperature	71 °C
Minimum operating temperature	-25 °C
Maximum output voltage	28.25 V
Minimum output voltage	25.25 V
Nominal output voltage	27.25 V
Package body material	UNSPECIFIED
Package shape	RECTANGULAR
Package form	MICROELECTRONIC ASSEMBLY
Peak Reflow Temperature (Celsius)	NOT SPECIFIED
Certification status	Not Qualified
surface mount	NO
Temperature level	COMMERCIAL EXTENDED
Terminal surface	TIN LEAD
Terminal form	UNSPECIFIED
Terminal location	UNSPECIFIED
Maximum time at peak reflow temperature	NOT SPECIFIED
Maximum total power output	400 W
Fine-tuning/adjustable output	YES

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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)

111

4.4"

141

5.6"

28 TE

168

6.6"

Safety according to IEC/EN 60950-1 and UL/CSA

60950-1 2

Ed.

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 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 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.

The latter types can be integrated into systems, where the

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.

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 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.

Power-One also offers backplanes for fast and simple set-up

of 19" DIN-rack systems with T Series converters; see

Accessories.

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

www.power-one.com

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

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