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參數(shù)資料
| 型號： | BQ50120QTA20NKC-G |
| 廠商： | SYNQOR INC |
| 元件分類： | 電源模塊 |
| 英文描述： | 1-OUTPUT 240 W DC-DC REG PWR SUPPLY MODULE |
| 封裝： | ROHS COMPLIANT, QUARTER BRICK PACKAGE-5 |
| 文件頁數(shù)： | 8/12頁 |
| 文件大?。?/td> | 5072K |
| 代理商： | BQ50120QTA20NKC-G |
Product # BQ50120QTA20
Phone 1-888-567-9596
Doc.# 005-2BQ512J Rev. F
03/26/10
Page 5
Input:
Output:
Current:
PPackage:
ackage:
42-53 V
12 V
20 A
Quarter-brick
T
Technical S
echnical Specification
pecification
80
82
84
86
88
90
92
94
96
98
100
0
2
4
6
8
10
12
14
16
18
20
Load Current (A)
E
ff
ic
ie
n
cy
(%
)
42 Vin
48 Vin
52 Vin
0
1
2
3
4
5
6
7
8
9
10
0
2
4
6
8
101214161820
Load Current (A)
P
o
w
er
D
is
si
p
at
io
n
(W
)
42 Vin
48 Vin
52 Vin
Figure 2: Power dissipation at nominal output voltage vs. load current
for minimum, nominal, and maximum input voltage at 25°C.
92
93
94
95
96
97
98
0
100
200
300
400
500
Air Flow (LFM)
E
ff
ic
ie
n
c
y
(%
)
25 C
40 C
55 C
Figure 3: 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).
8
9
10
11
12
13
14
15
0
2
4
6
8
10
12
14
16
18
20
Load Current (A)
O
u
tp
u
t
V
o
lt
ag
e
(V
)
42Vin
48Vin
52Vin
Figure 4: Output voltage regulation vs. load current for minimum, nom-
inal, and maximum input voltage at 25°C.
0
2
4
6
8
10
12
14
16
18
20
025
40
55
70
85
Ambient Air Temperature (oC)
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)
0 LFM (0 m/s)
Figure 5: Maximum output power derating curves vs. ambient air tem-
perature for airflow rates of 0 LFM through 400 LFM with air flowing
from pin 3 to pin 1 (nominal input voltage).
Figure 6: Thermal plot of converter at 20 amp load current (240W)
with 55°C air flowing at the rate of 200 LFM. Air is flowing across the
converter from pin 3 to pin 1 (nominal input voltage).
Figure 1: Efficiency at nominal output voltage vs. load current for min-
imum, nominal, and maximum input voltage at 25°C.
Semiconductor junction temperature is
within 1°C of surface temperature
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