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NFS25 Series
* * * * * *
Dual and triple output
25W AC/DC Universal Input Switch Mode Power Supplies 1
LOW TO MEDIUM POWER AC/DC POWER SUPPLIES
5.0 x 3.0 x 1.2 inch package (1U applications) Industry standard package Overvoltage and short circuit protection 25W with free air convection cooling EN55022, EN55011 conducted emissions level A UL, VDE and CSA safety approvals
The NFS25 series is a 25W universal input AC/DC power supply on a 5 x 3 inch card with a maximum component height of 1.2 inches for use in 1U applications. The NFS25 series is available with a wide range of models in the industry standard 5 x 3 inch footprint and has proven itself to be reliable and versatile product for a wide range of communication and industrial applications. The NFS25 provides 25W of output power with free air convection cooling which can be boosted to 30W with 20CFM of air. Standard features include OVP and short circuit protection. The series, with full international safety approval and the CE mark, meets conducted emissions EN55022 level A. The NFS25 series is designed for use in low power data networking, computer, telecom and industrial applications such as wireless switchers, hubs, POS terminals, PABX's and machine control. This list is not exclusive as the generic feature of the series with industry standard output configurations provide a solution for most high volume applications including many industrial applications.
2 YEAR WARRANTY All specifications are typical at nominal input, full load at 25C unless otherwise stated
SPECIFICATIONS
OUTPUT SPECIFICATIONS Output power (See Note 2) Line regulation LL to HL, FL Total regulation (See Notes 4, 5) Overshoot/undershoot Transient response Temperature coefficient Overvoltage protection Output power limit Short circuit protection INPUT SPECIFICATIONS Input voltage range Input frequency range Input surge current Safety ground leakage current 110VAC, cold start 230VAC, cold start 132VAC, 60Hz 264VAC, 50Hz Universal input 85 to 264VAC 120 to 370VDC 47 to 440Hz 15A max. 32A max. 0.62mA max. 1mA max. Continuous Peak (60s) Main output (Output 1) Output 2 Output 3 Main output (Output 1) Auxiliary output 2 Auxiliary output 3 At turn-on +5V (1.5 to 3A step) All outputs +5V output Primary power limited 25W 35W 0.2% max. 1% max. 0.2% max. 2.0% max. see table see table 0% 120mV max. dev. 500s recovery 0.02%/C max. 6.25V 0.75V 60W Pin limit max. 35W Pout limit min. Continuous
EMC CHARACTERISTICS Conducted emissions Radiated emissions ESD air ESD contact Surge Fast transients Radiated immunity Conducted immunity EN55022, FCC part 15 EN55022, FCC part 15 EN61000-4-2, level 3 EN61000-4-2, level 4 EN61000-4-5, level 3 EN61000-4-4, level 3 EN61000-4-3, level 3 EN61000-4-6, level 3 Level A Level A criteria 1 criteria 1 criteria 1 criteria 1 criteria 2 criteria 1
Perf. Perf. Perf. Perf. Perf. Perf.
GENERAL SPECIFICATIONS Hold-up time Efficiency Isolation voltage Switching frequency Approvals and standards (See Note 10) Weight MTBF (See Note 9) MIL-HDBK-217E, 25C 110VAC input 230VAC input 25W output Input/output Input/chassis 16ms 80ms 70% typical 3000VAC 1500VAC Variable IEC950, IEC1010, EN60950 UL1950, VDE0805 CSA C22.2 No. 950 280g (9.6oz) 170,000 hours
ENVIRONMENTAL SPECIFICATIONS Thermal performance (See Notes 6, 7, 8) 0C to 50C ambient, 25W max. convection cooled 50C to +70C ambient Derate to convection cooled 50% load Peak (0C to +50C, 35W max. 60 seconds) Non-operating -40C to +85C Non-condensing Operating Non-operating 5% to 95% RH 10,000 feet max. 30,000 feet max.
Relative humidity Altitude Vibration
Random vibration 2.4G rms approx. Three orthogonal axes 5Hz to 500Hz 10 min. test per axis
File Name: NFS25.PDF Rev: 01 Jan 2000
NFS25 Series
OUTPUT VOLTAGE +5.1V (IA) +12.0V (IB) -12.0V +5.1V +12.0V -12.0V +5.1V (IA) +12.0V (IB) Notes OUTPUT CURRENTS MIN 0A 0A 0A 0A 0A 0A 0A 0A
(9)
Dual and triple output
25W AC/DC Universal Input Switch Mode Power Supplies 2
LOW TO MEDIUM POWER AC/DC POWER SUPPLIES
For the most current data and application support visit www.artesyn.com/powergroup/products.htm
MAX
(1)
PEAK 5.0A 3.0A 1.0A 5.0A 1.0A 1.0A 5.0A 3.0A
(2)
RIPPLE 50mV
(3)
TOTAL REGULATION 2.0% 5.0% 5.0% 2.0% 2.0% 2.0% 2.0% 5.0%
(4)
MODEL NUMBER NFS25-7608
(4)
(D)
2.0A 1.5A 0.2A 3.0A 0.2A 0.2A 2.0A 1.5A
120mV 120mV 50mV 120mV 120mV 50mV 120mV
NFS25-7628
(5)
NFS25-7629
(4)
PIN CONNECTIONS J1 Pin 1 Pin 2 J2 Pin 1 Pin 2 Pin 3 Pin 4 Pin 5 Pin 6 P1 Pin 1 Safety Ground +12V +5.1V +5.1V Return Return -12V +12V +5.1V +5.1V Return Return -12V +12V +5.1V +5.1V Return Return N/C -7608 AC Line AC Neutral -7628 AC Line AC Neutral -7629 AC Line AC Neutral
Natural convection cooling. Peak output current lasting less than 60 seconds with duty cycle less than 5%. During peak loading, outputs may go outside of total regulation limits. Total peak power output is 35 Watts. 3 Figure is peak-to-peak. Output noise measurements are made across a 50MHz bandwidth using a 12 inch twisted pair, terminated with a 47F capacitor. 4 Total regulation is defined as the static output regulation at 25C, including initial tolerance, line voltage within stated limits, load currents within stated limits and output voltages adjusted to their factory settings. Also, 0.5 IA / IB 3 to maintain stated regulation. This does not apply to the NFS257628. 5 The NFS25-7628 has separately regulated +12V and -12V outputs. The loading condition in note 4 does not apply. 6 Derate linearly from 25 Watts at 50oC to 12.5 Watts at 70oC. 7 Derating curve is application specific for ambient temperatures > 50C, for optimum reliability no part of the heatsink should exceed 120oC and no semiconductor case temperature should exceed 125oC. 8 Caution: Allow a minimum of 1 second after disconnecting the power before making thermal measurements. 9 A 4 Watt minimum load is required to achieve design MTBF. 10 This product is only for inclusion by professional installers within other equipment and must not be operated as a stand alone product.
1 2
AC mating connector
Molex 09-50-3031 or equivalent with Molex 08-50-0105 crimp terminals or equivalent
DERATING CURVE (See Notes 6, 7, 8, 9)
Output Power (Watts)
DC mating connector
Molex 09-91-0600 or equivalent with Molex 08-50-0164 crimp terminals or equivalent
35W
PEAK POWER, 60 SECONDS
25W
NATURAL CONVECTION COOLING
12.5W
4W 4W MIN. LOAD REQUIRED TO ACHIEVE DESIGN MTBF 0W 0C 10C 20C 30C 40C 50C 60C 70C
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File Name: NFS25.PDF Rev: 01 Jan 2000
NFS25 Series
Mechanical Notes
Dual and triple output
25W AC/DC Universal Input Switch Mode Power Supplies 3
LOW TO MEDIUM POWER AC/DC POWER SUPPLIES
For the most current data and application support visit www.artesyn.com/powergroup/products.htm
A In order to meet safety requirements, a non-metallic stand-off is mandatory for one hole as specified in the mechanical drawing above. B The ground pad of the mounting hole near P1 allows system grounding through a metal stand-off.
C To improve conducted noise, the ground pad of the mounting hole near the output connector should be connected with the ground pad of the mounting hole near P1. Use metal stand-offs attached to a common metal chassis. This connection also significantly attenuates common mode noise. D A standard L-bracket and cover is available for mounting which contains all screws, connectors and necessary mounting hardware. Order part number `NFS40 COVER KIT'.
0.156 (3.96) Dia. (4 Places)
5.00 (127.00)
NON-METALLIC STAND-OFF (SEE NOTE A) Q1
C5
MAXIMUM COMPONENT HEIGHT 1.2 inches
J1 3.00 (76.2)
~ N ~ L F1 F 3.15A, H 250VAC P1 (SEE NOTE C)
1 T1 J2
2.550 (64.8)
0.22 (5.59) 4.55 (115.8)
0.22 (5.59)
ALL DIMENSIONS IN INCHES (mm)
International Safety Standard Approvals
VDE0805/EN60950/IEC950/IEC1010 File No. 10401-3336-1044 Licence No. 2559, 1651 UL1950 File No. E136005 CSA C22.2 No. 950 File No. LR41062C
Data Sheet (c) Artesyn Technologies(R) 2002 The information and specifications contained in this data sheet are believed to be correct at time of publication. However, Artesyn Technologies accepts no responsibility for consequences arising from printing errors or inaccuracies. Specifications are subject to change without notice. No rights under any patent accompany the sale of any such product(s) or information contained herein.
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File Name: NFS25.PDF Rev: 01 Jan 2000

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