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參數(shù)資料
| 型號： | SMD-5962-91600 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | Hybrid - High Reliability DC/DC Converters |
| 中文描述： | 混合-高可靠性的直流/直流轉(zhuǎn)換器 |
| 文件頁數(shù)： | 11/14頁 |
| 文件大小： | 185K |
| 代理商： | SMD-5962-91600 |
11
Thermal Management
Assuming that there is no forced air flow, the
package termperature rise above ambient (
be calculated using the following expression:
T) may
T
≈
80 A
-0.7
p
0. 85
( °C)
where A = the effective surface area in square
inches (including heat sink if used;) P = power
dissipation in watts.
The total surface area of the AHF package is 4.9
square inches. If a worse case full load efficiency of
78% is assumed, then the case temperature rise
can be calculated as follows:
P = P
OUT
[
1 - 1
]
= 12
[
1 - 1
]
= 3.4 W
E
FF
T = 80 (4.9)
-0.7
(3.4)
0.85
= 74°C
Hence, if T
= +25°C, the DC/DC converter
case temperature will be approximately 100°C if no
heat sink or air flow is provided.
To calculate the heat sink area required to maintain
a specific case temperature rise, the above equa-
tion may be manipulated as follows:
A
= [
T
-1.43
- A
PKG
80P
0.85
As an example, if a maximum case temperature
rise of 50°C above ambient is desired, then the
required effective heat sink area is:
A
= [ 50
80 (3.4)
0.85
-1.43
-4.9 = 3.75 in.
2
.78
STANDARDIZED MILITARY DRAWING
CROSS REFERENCE
Model
Drawing Number
SMD #5962-91600
SMD #5962-94568
SMD #5962-94563
SMD #5962-92111
SMD #5962-92351
AHF2805S/CH
AHF2812S/CH
AHF2815S/CH
AHF2812D/CH
AHF2815D/CH
PART NUMBER
AHF 28 xx x F/ x
Model
Input Voltage
Output Voltage
05— 5 V
DC
12—12 V
DC
15—15 V
DC
S—Single
D—Dual
Available Screening Levels and Process Variations for AHF Series
Screening (see table)
Omit for -20°C to +85°C
ES -55°C to +125°C
HB— -55°C to +125°C
CH— Class H complaint
See table for standard
Mlitary drawing number
Package Option
Omit For Standard
F-Flange
t
e
m
e
q
e
q
e
e
R
3
8
8
d
o
D
T
S
S
L
M
I
M
h
No
x
S
ES
x
S
HB
x
S
CH
x
S
e
n
a
R
e
p
m
e
T
C
°
5
8
+
o
0
2
C
°
5
2
1
+
o
C
°
5
5
C
°
5
2
1
+
o
C
°
5
5
C
°
5
2
1
+
o
C
°
5
5
n
o
E
t
e
m
e
4
3
5
8
3
R
P
-
I
M
l
V
l
7
1
0
2
*
s
Y
s
Y
s
Y
e
C
e
p
m
e
T
0
1
0
1
B
d
n
o
C
C
d
n
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C
C
d
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o
C
n
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A
t
a
o
C
1
0
0
2
g
0
0
5
A
d
n
o
C
A
d
n
o
C
n
B
5
1
0
1
C
°
5
2
1
@
s
6
9
C
°
5
2
1
@
s
6
9
C
°
5
2
1
@
s
0
6
1
C
°
5
2
1
@
s
0
6
1
)
A
p
u
o
G
(
l
4
3
5
8
3
R
P
-
I
M
C
°
5
2
C
°
5
2
C
°
5
2
1
+
,
2
+
,
5
C
°
5
2
1
+
,
2
+
,
5
s
G
&
e
,
S
4
1
0
1
*
A
C
,
d
n
o
C
C
,
A
d
n
o
C
C
,
A
d
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o
C
l
V
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9
0
0
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s
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s
Y
s
Y
*
s
d
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P
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| SMD-5962-92111 | Hybrid - High Reliability DC/DC Converters |
| SMD-5962-92351 | Hybrid - High Reliability DC/DC Converters |
| SMD-5962-94563 | Hybrid - High Reliability DC/DC Converters |
| SMD-5962-94568 | Hybrid - High Reliability DC/DC Converters |
| SMD030-2 | PolySwitch SMD |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SMD-5962-92111 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Hybrid - High Reliability DC/DC Converters |
| SMD-5962-92351 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Hybrid - High Reliability DC/DC Converters |
| SMD-5962-94563 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Hybrid - High Reliability DC/DC Converters |
| SMD-5962-94568 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Hybrid - High Reliability DC/DC Converters |
| SMD5FRA010 | 制造商:Switchcraft 功能描述:SWITCHCRAFT SPECIAL |
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