參數(shù)資料
型號(hào): PQ50050HPB50NNS-G
廠商: SYNQOR INC
元件分類: 電源模塊
英文描述: 1-OUTPUT 250 W DC-DC REG PWR SUPPLY MODULE
封裝: ROHS COMPLIANT, HALF BRICK PACKAGE-8
文件頁(yè)數(shù): 11/14頁(yè)
文件大?。?/td> 1549K
代理商: PQ50050HPB50NNS-G
Product # PQ50050HPB50
Phone 1-888-567-9596
www.synqor.com
Doc.# 005-0005487 Rev. A
03/18/10
Page 6
Input:
Output:
Current:
Part No.:
70
75
80
85
90
95
100
0
5
10
15
20
25
30
35
40
45
50
Load Current (A)
Ef
fic
ie
nc
y
(%
)
44 Vin
48 Vin
52 Vin
0
2
4
6
8
10
12
14
16
18
20
22
24
0
5
10
15
20
25
30
35
40
45
50
Load Current (A)
Po
w
er
D
is
si
pa
tio
n
(W
)
44 Vin
48 Vin
52 Vin
89
90
91
92
93
94
95
0
100
200
300
400
Air Flow (LFM)
Ef
fic
ie
nc
y
(%
)
25 C
40 C
55 C
0
10
20
30
40
50
0
25
40
55
70
85
Ambient Air Temperature (oC)
I out
(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)
0 LFM (0.0 m/s)
0
1
2
3
4
5
6
7
0
5
10
15
20
25
30
35
40
45
50
55
60
Load Current (A)
O
ut
pu
tV
ol
ta
ge
(V
)
44 Vin
48 Vin
52 Vin
Figure 1: Efficiency at nominal output voltage vs. load current for minimum,
nominal, and maximum input voltage at 25°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).
Figure 3: Power dissipation at nominal output voltage vs. load current for
minimum, nominal, and maximum input voltage at 25°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).
Figure 5: Maximum output power derating curves (no heatsink) vs. ambient air
temperature for airflow rates of 0 LFM through 400 LFM with air flowing from
input to output (nominal input voltage).
Figure 6: Output voltage vs. load current showing typical current limit curves
and converter shutdown points.
8
9
10
11
12
13
14
0
100
200
300
400
Air Flow (LFM)
Po
w
er
Di
ss
ip
at
io
n
(W
)
25 C
40 C
55 C
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