Ge-industrial-solutions NaOS NXA025 SMT Bedienungsanleitung

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Data Sheet
October 5, 2009
NaOS
TM
NXA025 SMT Non-isolated Power Modules:
10Vdc – 14Vdc Input; 0.8Vdc to 5.5Vdc Output; 25A Output Current
* UL is a registered trademark of Underwriters Laboratories, Inc.
CSA is a registered trademark of Canadian Standards Association.
VDE is a trademark of Verband Deutscher Elektrotechniker e.V.
** ISO is a registered trademark of the International Organization of Standards
Document No: DS03-030 ver. 1.43
PDF name: nxa025_smt_ds.pdf
Applications
Distributed power architectures
Intermediate bus voltage applications
Telecommunications equipment
Servers and storage applications
Networking equipment
Enterprise Networks
Latest generation IC’s (DSP, FPGA, ASIC)
and Microprocessor powered applications
Options
Baseplate version for heatsink attachment
(-H suffix)
Through Hole version (-L)
Paralleling with current sharing (-P)
Features
Compliant to RoHS EU Directive 2002/95/EC (-Z
versions)
Compliant to ROHS EU Directive 2002/95/EC with
lead solder exemption (non-Z versions)
Delivers up to 25A output current
High efficiency – 93% at 3.3V full load
Small size and low profile:
47.2 mm x 29.4 mm x 8.50 mm
(1.86 in x 1.16 in x 0.335 in)
Low output ripple and noise
Constant switching frequency (500 kHz)
Surface mount or through hole
Output voltage programmable from 0.8 Vdc to
5.5Vdc via external resistor
Remote On/Off
Remote Sense
Parallel operation with current sharing (-P option)
Output voltage sequencing (multiple modules)
Output overvoltage protection
Overtemperature protection
Output overcurrent protection (non-latching)
Wide operating temperature range (-40°C to 85°C)
UL* 60950-1Recognized, CSA
C22.2 No. 60950-1-
03 Certified, and VDE
0805:2001-12 (EN60950-1)
Licensed
ISO** 9001 and ISO 14001 certified manufacturing
facilities
Description
The NXA025 series SMT (surface-mount technology) power modules are non-isolated dc-dc converters that can
deliver up to 25A of output current with full load efficiency of 93% at 3.3Vdc output voltage. These modules provide
a precisely regulated output voltage from 0.8Vdc to 5.5Vdc, programmable via an external resistor. Their open-
frame construction and small footprint enable designers to develop cost- and space-efficient solutions. Standard
features include remote On/Off, adjustable output voltage, remote sense, active current sharing between parallel
modules, output voltage sequencing of multiple modules, overcurrent, overvoltage, and overtemperature protection.
RoHS Compliant
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Inhaltsverzeichnis

Seite 1 - RoHS Compliant

Data Sheet October 5, 2009 NaOSTM NXA025 SMT Non-isolated Power Modules: 10Vdc – 14Vdc Input; 0.8Vdc to 5.5Vdc Output; 25A Output Current * UL is a

Seite 2 - Electrical Specifications

Data Sheet October 5, 2009 NaosTM NXA025 SMT Non-isolated Power Modules:10 – 14Vdc Input; 0.8Vdc to 5.5Vdc Output; 25A output current LINEAGE POWER

Seite 3

Data Sheet October 5, 2009 NaosTM NXA025 SMT Non-isolated Power Modules:10 – 14Vdc Input; 0.8Vdc to 5.5Vdc Output; 25A output current LINEAGE POWER

Seite 4 - Feature Specifications

Data Sheet October 5, 2009 NaosTM NXA025 SMT Non-isolated Power Modules:10 – 14Vdc Input; 0.8Vdc to 5.5Vdc Output; 25A output current LINEAGE POWER

Seite 5 - Characteristic Curves

Data Sheet October 5, 2009 NaosTM NXA025 SMT Non-isolated Power Modules:10 – 14Vdc Input; 0.8Vdc to 5.5Vdc Output; 25A output current LINEAGE POWER

Seite 6

Data Sheet October 5, 2009 NaosTM NXA025 SMT Non-isolated Power Modules:10 – 14Vdc Input; 0.8Vdc to 5.5Vdc Output; 25A output current LINEAGE POWER

Seite 7

Data Sheet October 5, 2009 NaosTM NXA025 SMT Non-isolated Power Modules:10 – 14Vdc Input; 0.8Vdc to 5.5Vdc Output; 25A output current LINEAGE POWER

Seite 8

Data Sheet October 5, 2009 NaosTM NXA025 SMT Non-isolated Power Modules:10 – 14Vdc Input; 0.8Vdc to 5.5Vdc Output; 25A output current LINEAGE POWER

Seite 9

Data Sheet October 5, 2009 NaosTM NXA025 SMT Non-isolated Power Modules:10 – 14Vdc Input; 0.8Vdc to 5.5Vdc Output; 25A output current LINEAGE POWER

Seite 10 - Feature Description

Data Sheet October 5, 2009 NaosTM NXA025 SMT Non-isolated Power Modules:10 – 14Vdc Input; 0.8Vdc to 5.5Vdc Output; 25A output current LINEAGE POWER

Seite 11 - Ω= 1682Rtrim

Data Sheet October 5, 2009 NaosTM NXA025 SMT Non-isolated Power Modules:10 – 14Vdc Input; 0.8Vdc to 5.5Vdc Output; 25A output current LINEAGE POWER

Seite 12 - Thermal Considerations

Data Sheet October 5, 2009 NaosTM NXA025 SMT Non-isolated Power Modules:10 – 14Vdc Input; 0.8Vdc to 5.5Vdc Output; 25A output current LINEAGE POWER

Seite 13

Data Sheet October 5, 2009 NaosTM NXA025 SMT Non-isolated Power Modules:10 – 14Vdc Input; 0.8Vdc to 5.5Vdc Output; 25A output current LINEAGE POWER

Seite 14 - October 5, 2009

Data Sheet October 5, 2009 NaosTM NXA025 SMT Non-isolated Power Modules:10 – 14Vdc Input; 0.8Vdc to 5.5Vdc Output; 25A output current LINEAGE POWER

Seite 15 - Layout Guidelines

Data Sheet October 5, 2009 NaosTM NXA025 SMT Non-isolated Power Modules:10 – 14Vdc Input; 0.8Vdc to 5.5Vdc Output; 25A output current LINEAGE POWER

Seite 16

Data Sheet October 5, 2009 NaosTM NXA025 SMT Non-isolated Power Modules:10 – 14Vdc Input; 0.8Vdc to 5.5Vdc Output; 25A output current LINEAGE POWER

Seite 17

Data Sheet October 5, 2009 NaosTM NXA025 SMT Non-isolated Power Modules:10 – 14Vdc Input; 0.8Vdc to 5.5Vdc Output; 25A output current LINEAGE POWER

Seite 18 - Surface Mount Information

Data Sheet October 5, 2009 NaosTM NXA025 SMT Non-isolated Power Modules:10 – 14Vdc Input; 0.8Vdc to 5.5Vdc Output; 25A output current LINEAGE POWER

Seite 19

Data Sheet October 5, 2009 NaosTM NXA025 SMT Non-isolated Power Modules:10 – 14Vdc Input; 0.8Vdc to 5.5Vdc Output; 25A output current LINEAGE POWER

Seite 20

Data Sheet October 5, 2009 NaosTM NXA025 SMT Non-isolated Power Modules:10 – 14Vdc Input; 0.8Vdc to 5.5Vdc Output; 25A output current LINEAGE POWER

Seite 21 - Ordering Information

Data Sheet October 5, 2009 NaosTM NXA025 SMT Non-isolated Power Modules:10 – 14Vdc Input; 0.8Vdc to 5.5Vdc Output; 25A output current LINEAGE POWER

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