参数资料
型号: FNW500R64-18
厂商: LINEAGE POWER LLC
元件分类: 电源模块
英文描述: 1-OUTPUT 504 W DC-DC REG PWR SUPPLY MODULE
封装: MODULE-16
文件页数: 9/13页
文件大小: 332K
代理商: FNW500R64-18
Data Sheet
October 5, 2009
FNW500R Power Modules; DC-DC Converters
36 – 75 Vdc Input; 28Vdc Output; 500W Output
5
Characteristic Curves
The following figures provide typical characteristics for the FNW500R (28V, 18A) at 25C. The figures are identical for
either positive or negative Remote On/Off logic.
81.0
83.0
85.0
87.0
89.0
91.0
93.0
0
5
10
15
20
Vin=36V
Vin=48V
Vin=75V
E
F
IC
IE
NCY
(%)
OUTPUT CURRENT, Io (A)
On
/O
ffV
O
LT
A
G
E
O
U
T
P
UT
VO
LT
AG
E
V
ON/
O
FF
(V
)
(2
V/
div)
V
O
(
V
)(1
0V
/d
iv
)
TIME, t (10ms/div)
Figure 1. Converter Efficiency versus Output
Current.
Figure 4. Typical Start-Up Using Remote On/Off,
R1=30Kohm; Co,ext = 470F.
O
U
TP
U
T
VOLTAGE,
V
O
(
V
)(
100
m
V
/d
iv
)
TIME, t (1
μs/div)
IN
PU
T
VO
LTAGE
O
U
TP
U
T
V
O
L
T
A
G
E
Vi
n
(V
)(2
0V
/d
iv
)
V
O
(V
)(1
0V
/d
iv
)
TIME, t (50ms/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.
VO
LTAG
E
I O
(A
)(1
0A
/di
v)
V
O
(V
)(5
00
mV
/d
iv
)
TIME, t (1ms/div)
OU
T
P
UT
C
U
R
E
NT
O
U
T
P
UT
V
O
LT
A
G
E
I O
(
A
)(
5A/d
iv)
V
O
(V
)(5
00
mV
/d
iv
)
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
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
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