參數(shù)資料
型號： EXA40
英文描述： 40W High Efficiency DC/DC Converters
中文描述： 功率40W高效率DC / DC轉(zhuǎn)換器
文件頁數(shù)： 2/4頁
文件大?。?/td> 549K
代理商： EXA40
For the most current data and application support visit www.artesyn.com/powergroup/products.htm
Notes
1
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.
2
Guaranteed minimum output voltage range.
3
Latching OVP response time is 1ms (typical). OVP latch is reset by toggling
remote ON/OFF or by recycling the input voltage.
4
Figures are percentage of minimum input voltage.
5
Rshort
≤20m.
6
TVS spec : 6V8 @ 10mA, 10V5 @ 57A
4V1 @ 1mA, 7V3 @ 50A
7
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.
8
User must provide recommended fuses in order to comply with safety
approvals.
9
Maximum temperature on components Q100, Q102 and Q103 not to
exceed 120
°C. See Application Note for details.
EXA40 Series
Single output
DC/DC CONVERTERS
40W High Efficiency DC/DC Converters
2
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
INPUT
OUTPUT
NOMINAL
OUTPUT
TYPICAL
MODEL
VOLTAGE
VOLTAGE (2)
OUTPUT VOLTAGE
CURRENT (MAX.)
EFFICIENCY
NUMBER (1)
18-36VDC
1.5 to 2.0V
1.8V
8.0A
84%
EXA40-24S1V8
18-36VDC
2.5 to 3.0V
2.75A
8.0A
87%
EXA40-24S2V75
18-36VDC
3.0 to 3.6V
3.3V
8.0A
88%
EXA40-24S3V3
18-36VDC
4.5 to 5.5V
5.0V
8.0A
90%
EXA40-24S05
36-75VDC
1.5 to 2.0V
1.8V
8.0A
84%
EXA40-48S1V8
36-75VDC
2.5 to 3.0V
2.75V
8.0A
86%
EXA40-48S2V75
36-75VDC
3.0 to 3.6V
3.3V
8.0A
88%
EXA40-48S3V3
36-75VDC
4.5 to 5.5V
5.0V
8.0A
91%
EXA40-48S05
Figure 1: Natural Convection (0.1m/s) Typical derating, See Application Note.
100%
75%
50%
25%
0%
0
°C 10°C 20°C 30°C 40°C 50°C 60°C 70°C 80°C 90°C 100°C
DERATING CURVE
Output Power (%)
Output
Power
(%
)
AMBIENT TEMPERATURE (
°C)
27.5%
-40
°C -30°C-20°C -10°C
EXA40-24S05
All other Models
INPUT SPECIFICATIONS
MINIMUM
TYPICAL
MAXIMUM
Remote ON/OFF
Active low, control to -Vin,
open collector input
ON
Open circuit voltage
4.5V
5.5V
OFF
1.0V
2.5V
Remote ON/OFF source current
-70A
-100A
CAUTION: Hazardous internal voltages and high temperatures.
Ensure that unit is not user accessible.
EMC CHARACTERISTICS (Continued)
ETS 300 386-1 table 5
Conducted emissions
EN55022, internal filter
Level A
(See Design Note 101)
and 4.7F film cap
EN55022, external filter,
Level B
Radiated emissions
EN55022 (See Design Note)
Level B
ESD air
EN61000-4-2, level 3
ESD contact
EN61000-4-2, level 4
Surge (500V)
EN61000-4-5, level 3,4
Fast transients
EN61000-4-4, level 3,4
Radiated immunity
EN61000-4-3, level 3
Conducted immunity
EN61000-4-6, level 3
GENERAL SPECIFICATIONS
Efficiency
See table
Basic insulation
Input/output
1500VDC
Input fuse 24V
(See Note 8)
3.5A slow blow
Input fuse 48V
2.0A slow blow
Switching frequency
Fixed
300kHz
Approvals and
(See Notes 1, 7, 8, 9)
EN60950
standards
Bi-national UL1950
(See Notes 1, 7, 8, 9)
CSA C22.2 No. 234/950
Weight
25g (0.88 oz)
MTBF, See Design Note
MIL-HDBK-217
250,000 hours
ENVIRONMENTAL SPECIFICATIONS
Thermal performance
Operating ambient
-40°C to +70°C,
temperature
See curves
Non-operating
-55°C to +105°C
Over temperature
Loss of Function
75°C to +85°C
shutdown
Self-Recovery (LFS)
ETS 300 019-2-3
Classes T3.1 to T3.5
Air temperature
Low: IEC 68-2-1
-40°C
High: IEC 68-2-2
+70°C
Change: IEC 68-2-1
-40°C to +70°C
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
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