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参数资料
| 型号： | FNW700R64-18 |
| 厂商： | LINEAGE POWER LLC |
| 元件分类： | 电源模块 |
| 英文描述： | 1-OUTPUT 700 W DC-DC REG PWR SUPPLY MODULE |
| 封装： | MODULE-16 |
| 文件页数： | 10/14页 |
| 文件大小： | 384K |
| 代理商： | FNW700R64-18 |
Data Sheet
October 5, 2009
FNW700R Power Modules; DC-DC Converters
36 – 75 Vdc Input; 28Vdc Output; 700W Output
LINEAGE POWER
5
Characteristic Curves
The following figures provide typical characteristics for the FNW700R (28V, 25A) at 25C. The figures are identical for
either positive or negative Remote On/Off logic.
81
83
85
87
89
91
93
0
5
10
15
20
25
Vin=36V
Vin=48V
Vin=75V
E
F
IC
IE
NCY
(%)
OUTPUT CURRENT, Io (A)
O
n/O
ffVO
LT
A
G
E
O
U
T
P
UT
V
O
LT
A
G
E
V
ON
/O
F
F(V
)(2
V
/di
v)
V
O
(V
)(
1
0V
/d
iv
)
TIME, t (20ms/div)
Figure 1. Converter Efficiency versus Output
Current.
Figure 4. Typical Start-Up Using Remote On/Off,
R1=30Kohm; Co,ext = 470F.
OU
TPU
T
V
O
LTAGE,
V
O
(V
)
(10
0m
V
/d
iv
)
TIME, t (1
μs/div)
IN
P
U
T
VO
LTAGE
OU
TPU
T
VO
LTAGE
V
IN
(V
)(2
0V
/d
iv
)
V
O
(V
)(1
0V
/d
iv
)
TIME, t (20ms/div)
Figure 2. Typical Output Ripple and Noise at Room
Temperature and 48Vin; Io = Io,max; Co,ext = 470F.
Figure 5. Typical Start-Up Using from VIN, positive logic
version shown; Co,ext = 470F.
O
U
T
P
UT
C
U
R
E
N
T
O
U
T
P
UT
V
O
LT
A
G
E
I O
(A
)
(1
0A
/d
iv
)
V
O
(V)
(500mV/
d
iv)
TIME, t (1ms/div)
O
U
T
P
UT
C
U
R
E
NT
O
U
T
P
UT
VO
LT
AG
E
I O
(A
)(1
0A
/di
v)
V
O
(V
)(5
00
mV
/div
)
TIME, t (1ms/div)
Figure 3. Transient Response to Dynamic Load
Change from 25% to 50% to 25% of Full Load at
Room Temperature and 48 Vdc Input; 0.1A/uS ;
Co,ext = 470F.
Figure 6. Transient Response to Dynamic Load Change
from 50% to 75% to 50% of Full Load at Room
Temperature and 48 Vdc Input; 0.1A/uS ;
Co,ext = 470F.
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