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EXA40 Series
Single output
DC/DC CONVERTERS 40W High Efficiency DC/DC Converters 1 * High efficiency topology, 91% typical at 5V * Approved to EN60950, UL1950, CSA C22.2 No. 234/950 * Operating ambient temperature of -40C to +70C (natural convection) * Complies with ETS 300 019-1-3/2-3 * Complies with ETS 300 132-2 input voltage and current requirements * Fully compliant with ETS 300 386-1
The EXA40 Series, comprising 8 different models is targeted specifically at the telecommunications, industrial electronics, mobile Telecommunications and distributed power markets. The series offers two wide input voltage ranges of 18-36VDC and 36-75VDC. Typical efficiencies are 91% for the 5V output, 88% for the 3.3V, 86% for the 2.75V and 84% for the 1.8V. The series has been designed primarily for Telecommunications applications and complies with ETS 300 386-1 immunity and emission standards for high priority of service class. In addition the series complies with ETS 300 019-1-3 environmental standards (all classes) including shock, vibration, humidity and thermal performance. A high level of reliability has been designed into all models through the extensive use of conservative derating criteria. Remote enable and overtemperature shutdown are included as standard while true latching OVP is available as an option.
All specifications are typical at nominal input, full load at 25C unless otherwise stated OUTPUT SPECIFICATIONS Voltage adjustability Line regulation Load regulation Output current range Ripple and noise Temperature coefficient OVP transient (See Note 6) 20MHz bandwidth 20MHz bandwidth See Figure 4 5V output 3V3/2V75 outputs 1V8 output 5V output 3V3 output 2V75 output 1V8 output Continuous Rshort <20m 50% to 75% and back to 1.0%, no external cap Low line to high line 100% 10A rms 100mV 250s 140% 1.0% MINIMUM 24Vin nominal 48Vin nominal No load Remote OFF, UVLO ETS 300 132-2 All inputs All inputs Nominal line 88% 77% 94% 86% 50ms 100% 94% 100ms
File Name: LF_EXA40.PDF Rev: 15 Jan 2002
2 YEAR WARRANTY
SPECIFICATIONS
TYPICAL 11% +13/-18% +0.05% +0.20% MAXIMUM 12% +14/-19% +0.4% +0.4% 8A 50mV pk-pk 10mV rms 0.01%/C 6.8V TVS 4.1V TVS 4.1V TVS 100mV pk-pk 20mV rms 0.02%/C
MINIMUM 2V75, 3V3, 5V outputs 1V8 output Low line to high line Full load to no load 0A 10% +12/-17%
OVP latching (See Notes 1, 3) (optional)
6.0V 4.0V 3.4V 2.4V
6.2V 4.2V 3.6V 2.5V
6.4V 4.4V 3.8V 2.6V
Short circuit protection (Note 5) Short circuit current (Note 5) Transient response Peak deviation Settling time Current limit Voltage accuracy INPUT SPECIFICATIONS Input voltage range Input current Inrush current UVLO turn ON voltage (Note 4) UVLO turn OFF voltage (Note 4) Start-up time
12A rms 150mV 400s 180% 1.5% MAXIMUM 36VDC 75VDC 100mA 4mA
TYPICAL 24VDC 48VDC 50mA 2.5mA
18VDC 36VDC
EXA40 Series
Single output
DC/DC CONVERTERS 40W High Efficiency DC/DC Converters 2
For the most current data and application support visit www.artesyn.com/powergroup/products.htm
INPUT SPECIFICATIONS Remote ON/OFF ON OFF Remote ON/OFF source current INPUT VOLTAGE 18-36VDC 18-36VDC 18-36VDC 18-36VDC 36-75VDC 36-75VDC 36-75VDC 36-75VDC Active low, control to -Vin, open collector input Open circuit voltage 1.0V MINIMUM TYPICAL MAXIMUM
4.5V 2.5V -70A OUTPUT CURRENT (MAX.) 8.0A 8.0A 8.0A 8.0A 8.0A 8.0A 8.0A 8.0A Notes
1
5.5V -100A MODEL NUMBER (1) EXA40-24S1V8 EXA40-24S2V75 EXA40-24S3V3 EXA40-24S05 EXA40-48S1V8 EXA40-48S2V75 EXA40-48S3V3 EXA40-48S05
OUTPUT VOLTAGE (2) 1.5 to 2.0V 2.5 to 3.0V 3.0 to 3.6V 4.5 to 5.5V 1.5 to 2.0V 2.5 to 3.0V 3.0 to 3.6V 4.5 to 5.5V
NOMINAL OUTPUT VOLTAGE 1.8V 2.75A 3.3V 5.0V 1.8V 2.75V 3.3V 5.0V
TYPICAL EFFICIENCY 84% 87% 88% 90% 84% 86% 88% 91%
EMC CHARACTERISTICS (Continued) ETS 300 386-1 table 5 Conducted emissions (See Design Note 101) Radiated emissions ESD air ESD contact Surge (500V) Fast transients Radiated immunity Conducted immunity EN55022, internal filter and 4.7F film cap EN55022, external filter, EN55022 (See Design Note) EN61000-4-2, level 3 EN61000-4-2, level 4 EN61000-4-5, level 3,4 EN61000-4-4, level 3,4 EN61000-4-3, level 3 EN61000-4-6, level 3 Level A Level B Level B
2 3 4 5 6 7
GENERAL SPECIFICATIONS Efficiency Basic insulation Input fuse 24V Input fuse 48V Switching frequency Approvals and standards (See Notes 1, 7, 8, 9) Weight MTBF, See Design Note See table 1500VDC 3.5A slow blow 2.0A slow blow Fixed 300kHz (See Notes 1, 7, 8, 9) EN60950 Bi-national UL1950 CSA C22.2 No. 234/950 Input/output (See Note 8) MIL-HDBK-217 25g (0.88 oz) 250,000 hours
8 9
True latching OVP is available as an option. Please add the suffix `-V' to the model number, e.g. EXA40-24S1V8-V. Additional alphanumeric suffixes maybe added to indicate minor modifications not affecting the safety approvals. Guaranteed minimum output voltage range. Latching OVP response time is 1ms (typical). OVP latch is reset by toggling remote ON/OFF or by recycling the input voltage. Figures are percentage of minimum input voltage. Rshort 20m. TVS spec : 6V8 @ 10mA, 10V5 @ 57A 4V1 @ 1mA, 7V3 @ 50A Maximum continuous output power. 40 Watts for S05 models 26.4 Watts for S3V3 models 22 Watts for S2V75 models 14.4 Watts for S1V8 models. User must provide recommended fuses in order to comply with safety approvals. Maximum temperature on components Q100, Q102 and Q103 not to exceed 120C. See Application Note for details.
DERATING CURVE
Output Power (%)
100%
EXA40-24S05 All other Models
ENVIRONMENTAL SPECIFICATIONS Thermal performance Operating ambient -40C to +70C, temperature See curves Non-operating -55C to +105C Over temperature Loss of Function 75C to +85C shutdown Self-Recovery (LFS) ETS 300 019-2-3 Classes T3.1 to T3.5 Air temperature Low: IEC 68-2-1 -40C High: IEC 68-2-2 +70C Change: IEC 68-2-1 -40C to +70C Relative humidity IEC 68-2-56 10% to 100% RH IEC 68-2-30 Condensation Vibration, Class 3M5 IEC68-2-6 2 to 9 Hz, 3mm disp. 9 to 200Hz 1g MIL-STD-202F Method 204 cond. A Shock, Class 3M5 IEC-68-2-29 MIL-STD-202F Method 213B cond. A Please consult our website for the following items:
Output Power (%)
75%
50%
25%
27.5%
0% -40C -30C-20C -10C 0C 10C 20C 30C 40C 50C 60C 70C 80C 90C 100C
AMBIENT TEMPERATURE (C)
Figure 1: Natural Convection (0.1m/s) Typical derating, See Application Note.
CAUTION: Hazardous internal voltages and high temperatures. Ensure that unit is not user accessible.
Application Note
Shortform Data Sheet
www.artesyn.com
File Name: LF_EXA40.PDF Rev: 15 Jan 2002
EXA40 Series
Single output
DC/DC CONVERTERS 40W High Efficiency DC/DC Converters 3
For the most current data and application support visit www.artesyn.com/powergroup/products.htm
PIN CONNECTIONS PIN NUMBER 1 2 4 6 7 8 SINGLE OUTPUT + Input - Input Remote ON/OFF + Output - Output Trim
7 8 8
EXTERNAL OUTPUT TRIMMING Single output models can be externally trimmed by 10% using either method shown below.
6 6
TRIM DOWN
RTD
10K TRIMPOT
8
10K
TRIM UP
RTU
7
2.20 (55.88)
0.20 (5.08) 1 2 0.40 (10.16) 4 8 0.60 (15.24) 0.50 (12.70) 7 0.40 (10.16) 6 0.40 (10.16) 2.20 (55.88)
0.20 (5.08)
1.80 (45.72)
0.20 (5.08)
0.35 (8.89)
2.042 (51.88) 0.142 (3.60)
1.000 (25.40) 0.200 (5.08) 1 0.600 (15.24) 1.200 (30.48) 2 4 8 7 6
0.100 (2.54)
0.300 (7.62) 2.003 (50.88) 0.700 (17.78)
o0.040 0.002 (o1.02) 0.05 2.200 0.02 (55.88 0.5)
0.200 (5.08)
1.800 (45.72) 2.200 0.02 (55.88 0.5)
0.020 (0.50)
0.398 0.012 (10.10 0.3)
unless otherwise specified
Please consult our website for the following items:
Application Note
Shortform Data Sheet
www.artesyn.com
File Name: LF_EXA40.PDF Rev: 15 Jan 2002
EXA40 Series
Single output
DC/DC CONVERTERS 40W High Efficiency DC/DC Converters 4
For the most current data and application support visit www.artesyn.com/powergroup/products.htm
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.
Please consult our website for the following items:
Application Note
Shortform Data Sheet
www.artesyn.com
File Name: LF_EXA40.PDF Rev: 15 Jan 2002

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