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參數(shù)資料
| 型號： | PQ40080QGA09PRS |
| 廠商： | SYNQOR INC |
| 元件分類： | 電源模塊 |
| 英文描述： | 1-OUTPUT 72 W DC-DC REG PWR SUPPLY MODULE |
| 封裝： | ROHS COMPLIANT PACKAGE-8 |
| 文件頁數(shù)： | 10/14頁 |
| 文件大小： | 662K |
| 代理商： | PQ40080QGA09PRS |
Input:
Output:
Current:
PPackage:
ackage:
18-75 V
8.0 V
9 A
Quarter-brick
T
Technical S
echnical Specification
pecification
Product # PQ40080QGA09
Phone 1-888-567-9596
Doc.# 005-2QG380D Rev. A
02/07/06
Page 5
64
67
70
73
76
79
82
85
88
91
94
01
234
5
678
9
Load Current (A)
E
ff
ic
ie
n
c
y
(%
)
18 Vin
48 Vin
75 Vin
Figure 1: Efficiency at nominal output voltage vs. load current for 18V,
48V and 75V input at 25°C.
87
88
89
90
91
92
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, 48V input).
0
1
2
3
4
5
6
7
8
9
10
01
23
45
67
89
Load Current (A)
P
o
w
e
r
D
is
s
ip
a
ti
o
n
(W
)
18 Vin
48 Vin
75 Vin
Figure 3: Power dissipation at nominal output voltage vs. load current
for 18V, 48V and 75V input at 25°C.
2
3
4
5
6
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, 48V input).
6
7
8
9
10
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 across the converter from pin 3 to pin 1 (24V input).
Figure 6: Thermal plot of converter at 9 amp load current with 55°C
air flowing at the rate of 200 LFM. Air is flowing across the converter
sideways from pin 3 to pin 1 (24V input).
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