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| 型号： | E24SR06508PNFA |
| 元件分类： | 电源模块 |
| 英文描述： | 1-OUTPUT DC-DC REG PWR SUPPLY MODULE |
| 封装： | ROHS COMPLIANT, EIGHTH BRICK PACKAGE-8 |
| 文件页数： | 2/14页 |
| 文件大小： | 583K |
| 代理商： | E24SR06508PNFA |
DS_E24SR06508_12162008
10
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
in
most
electronics
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
the
wind
tunnel
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’’).
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:
Hot spot temperature measured point
The allowed maximum hot spot temperature is defined at 116℃
E24SR06508(Standard) Output Current vs. Ambient Temperature and Air Velocity
@Vin = 27V (Transverse Orientation)
0
1
2
3
4
5
6
7
8
9
25
30
35
40
45
50
55
60
65
70
75
80
85
Ambient Temperature (℃)
Output Current(A)
Natural
Convection
Figure 22:
Output current vs. ambient temperature and air velocity
@Vin=27V (Transverse Orientation)
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相关代理商/技术参数 |
参数描述 |
|---|---|
| E24SR06508PRFA | 制造商:DELTA 制造商全称:Delta Electronics, Inc. 功能描述:Delphi Series E24SR, 66W Eighth Brick Family DC/DC Power Modules: 24V in, 6.5V/8A out |
| E24SR12005 | 制造商:DELTA 制造商全称:Delta Electronics, Inc. 功能描述:Delphi Series E24SR, 66W Eighth Brick Family DC/DC Power Modules: 24V in, 12V/5A out |
| E24SR12005NKFA | 制造商:DELTA 制造商全称:Delta Electronics, Inc. 功能描述:Delphi Series E24SR, 66W Eighth Brick Family DC/DC Power Modules: 24V in, 12V/5A out |
| E24SR12005NMFA | 制造商:DELTA 制造商全称:Delta Electronics, Inc. 功能描述:Delphi Series E24SR, 66W Eighth Brick Family DC/DC Power Modules: 24V in, 12V/5A out |
| E24SR12005NNFA | 制造商:DELTA 制造商全称:Delta Electronics, Inc. 功能描述:Delphi Series E24SR, 66W Eighth Brick Family DC/DC Power Modules: 24V in, 12V/5A out |
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