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參數(shù)資料
| 型號： | PQ55540HTM05NRS-G |
| 廠商： | SYNQOR INC |
| 元件分類： | 電源模塊 |
| 英文描述： | 1-OUTPUT 275 W DC-DC REG PWR SUPPLY MODULE |
| 封裝： | ROHS COMPLIANT PACKAGE-8 |
| 文件頁數(shù)： | 9/13頁 |
| 文件大?。?/td> | 604K |
| 代理商： | PQ55540HTM05NRS-G |
Product # PQ55540HTL05
Phone 1-888-567-9596
Doc.# 005-2HT554F Rev. A
04/20/06
Page 5
Input:
Output:
Current:
PPackage:
ackage:
38-55 V
54 V
5.1 A
5.1 A (275W)
(275W)
Half-brick
T
Technical S
echnical Specification
pecification
80
83
86
89
92
95
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
Load Current (A)
E
ff
ic
ie
n
c
y
(%
)
38 Vin
48 Vin
55 Vin
90
91
92
93
94
95
0
100
200
300
400
Air Flow (LFM)
E
ff
ic
ie
n
c
y
(%
)
25 C
40 C
55 C
Figure 2: Efficiency at nominal output voltage and 60% rated power vs.
airflow rate for ambient air temperatures of 25°C, 40°C, and 55°C
(nominal input voltage).
0
5
10
15
20
25
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
Load Current (A)
P
o
w
e
r
D
is
s
ip
a
ti
o
n
(W
)
38 Vin
48 Vin
55 Vin
Figure 3: Power dissipation at nominal output voltage vs. load current
for minimum, nominal, and maximum input voltage at 25°C.
6
7
8
9
10
11
12
13
14
0
100
200
300
400
Air Flow (LFM)
P
o
w
e
r
D
is
s
ip
a
ti
o
n
(W
)
25 C
40 C
55 C
Figure 4: Power dissipation at nominal output voltage and 60% rated
power vs. airflow rate for ambient air temperatures of 25°C, 40°C, and
55°C (nominal input voltage).
0.0
1.0
2.0
3.0
4.0
5.0
6.0
0
25
40
55
70
85
Ambient Air Temperature (C)
Io
u
t
(A
)
400 LFM (2.0 m/s)
300 LFM (1.5 m/s)
200 LFM (1.0 m/s)
100 LFM (0.5 m/s)
Figure 5: Maximum output power derating curves vs. ambient air tem-
perature for airflow rates of 100 LFM through 400 LFM with air flow-
ing from input to output (nominal input voltage).
Figure 6: Thermal plot of converter at 4.2 amp load current (227W)
with 55°C air flowing at the rate of 200 LFM. Air is flowing across the
converter from input to output (nominal input voltage).
Figure 1: Efficiency at nominal output voltage vs. load current for min-
imum, nominal, and maximum input voltage at 25°C.
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