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參數(shù)資料
| 型號： | L36SA3R315NRFA |
| 廠商： | Delta Electronics, Inc. |
| 英文描述： | Delphi Series L36SA, 2 x 1.6, 50W Family DC/DC Power Module: 18~75V in, 5.0V/10A out |
| 中文描述： | 德爾福系列L36SA，2 × 1.6，50瓦系列DC / DC電源模塊：18?75V的中，5.0V/10A出 |
| 文件頁數(shù)： | 11/13頁 |
| 文件大?。?/td> | 468K |
| 代理商： | L36SA3R315NRFA |
THERMAL CONSIDERATIONS
Thermal management is an important part of the system
design. To ensure proper, reliable operation, sufficient
cooling of the power module is needed over the entire
temperature range of the module. Convection cooling is
usually the dominant mode of heat transfer.
Hence, the choice of equipment to characterize the
thermal performance of the power module is a wind
tunnel.
Thermal Testing Setup
Delta’s DC/DC power modules are characterized in
heated vertical wind tunnels that simulate the thermal
environments
encountered
equipment. This type of equipment commonly uses
vertically mounted circuit cards in cabinet racks in which
the power modules are mounted.
The
following
figure
shows
characterization setup. The power module is mounted
on a test PWB and is vertically positioned within the
wind tunnel. The space between the neighboring PWB
and the top of the power module is constantly kept at
6.35mm (0.25’’).
in
most
electronics
the
wind
tunnel
Note: Wind Tunnel Test Setup Figure Dimensions are in millimeters and (Inches)
12.7 (0.5”)
MODULE
AIR FLOW
50.8 (2.0”)
FACING PWB
PWB
AIR VELOCITY
AND AMBIENT
TEMPERATURE
MEASURED BELOW
THE MODULE
Figure 20:
Wind tunnel test setup
Thermal Derating
Heat can be removed by increasing airflow over the
module. To enhance system reliability, the power module
should always be operated below the maximum
operating temperature. If the temperature exceeds the
maximum module temperature, reliability of the unit may
be affected.
THERMAL CURVES
Figure 21:
Temperature measurement location
The allowed maximum hot spot temperature is defined at 130
℃
L36SA05010(standard) Output Current vs. Ambient Temperature and Air Velocity
@Vin = 48V (Either Orientation)
0
1
2
3
4
5
6
7
8
9
10
11
40
45
50
55
60
65
70
75
80
85
Natural
Convection
200LFM
300LFM
100LFM
Output Current (A)
Ambient Temperature (
℃
)
Figure 22:
Output current vs. ambient temperature and air
velocity @ V
in
=48V (Either Orientation)
DS_L36SA05010_02142007
11
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參數(shù)描述 |
|---|---|
| L36SA3R315NRFA_13 | 制造商:DELTA 制造商全稱:Delta Electronics, Inc. 功能描述:Delphi Series L36SS, 2 x 1.6, 50W Family DC/DC Power Module: 18~75V in, 3.3V/15A out |
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