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參數(shù)資料
| 型號： | CPD200-4530 |
| 元件分類： | DC/DC變換器 |
| 英文描述： | 200 ? 250 Watt CompactPCI?DC-DC Converters |
| 中文描述： | 200？ 250瓦的CompactPCI？的DC - DC轉(zhuǎn)換器 |
| 文件頁數(shù)： | 5/13頁 |
| 文件大?。?/td> | 259K |
| 代理商： | CPD200-4530 |
NOV 28, 2006 revised to JAN 29, 2007
Page 5 of 13
www.power-one.com
CPD Series Data Sheet
200 – 250 Watt CompactPCI
DC-DC Converters
Table 4b: Output data for Vo3, Vo4
Output
Vo3
12 V
Vo4
–
12 V
Characteristics
Conditions
min
typ
max
min
typ
max
Unit
V
o
Output voltage
V
i nom
, 50%
I
o nom
11.88
12.0
12.12
–11.52
–12.0
–12.48
VDC
I
o nom
Nominal output current
2.5/4
1
0.5/1
1
A
I
o max
Max. output current
I
oL
Output current limit
I
o min
Minimum load
V
i min
–
V
i max
T
C min
–
T
C max
5.5
2
7
3.5
I
o3
> 75%
I
o42
no min. load required
v
o
Output
voltage
noise
Switch. frequ.
V
i nom
,
I
o nom
BW = 20 MHz
C
ext
= 22
μ
F + 100 nF
V
i min
–
V
i max
,
I
o nom
mV
pp
Total
120
120
V
oV
V
oL
V
oS
v
o d
Static line regulation
±60
±60
mV
Static load regulation
V
i nom
, 50
–
100%
I
o max
±120
–480
3
Overshoot at switch on/off
0
0
Dynamic
load
regulation Recovery time
Voltage
deviation
Vo3:
I
o
= 2 A, d
I
o
/dt = 2 A/
μ
s
Vo4:
I
o
= 0.5 A, d
I
o
/dt = 2 A/
μ
s
± 200
± 200
t
d
α
V
o
500
500
μs
Temperature coefficient
of output voltage
T
C min
–
T
C max
0
–
I
o nom
,
V
i min
–
V
i max
±0.3
±0.5
mV/K
t
h
Hold-up time
starting at
V
i nom
,
I
o nom
4
4
ms
t
s
Start-up time
V
i nom
,
I
o nom
150
200
150
200
1
Values for CPD200/CPD250
2
Required to maintain regulation of Vo4
3
Droop characteristic for passive current sharing
Hold-up Time
For extended hold-up time, use external output capacitors
or decoupling diodes and input capacitors of adequate
size.
Formula for additional external input capacitor
2
P
(
t
–
t
) 100
C
i ext
= ––––––––––––––––––––
(
V
ti2
–
V
i min2
)
where as:
C
i ext
= external input capacitance [mF]
P
o
= output power [W]
η
= efficiency [%]
t
h total
= total hold-up time [ms]
t
h
= hold-up time [ms]
V
i min
= minimum input voltage [V]
V
ti
= threshold level [V]
Hot Swap
Hot swap is possible. Using the hot-swap capability, the
output voltages may deviate dynamically by max. 5%
during the plug-in / plug-out operations.
Output Protection and Current Limitation
The outputs are fully protected against continuous open
circuit (no load) and also against continuous short circuit.
All outputs have a constant current limitation with a
rectangular characteristic (see figure below). The total
current from the main power trains Vo1, Vo2 and Vo3 is
limited by
P
o max
. So there is a free choice of load
distribution between these outputs.
Fig. 2
Current limitation behavior of a CPD.
1.0
0.95
0.5
0
V
o
/
V
o nom
I
o
I
o nom
I
o max
I
o L
05186a
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