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參數(shù)資料
| 型號： | Q2D30ZEB8C4 |
| 廠商： | POWER-ONE INC |
| 元件分類： | 電源模塊 |
| 英文描述： | 2-OUTPUT DC-DC REG PWR SUPPLY MODULE |
| 文件頁數(shù)： | 2/13頁 |
| 文件大?。?/td> | 195K |
| 代理商： | Q2D30ZEB8C4 |
Q2D Series – Quarter-Brick DC/DC Converter
48V Input
Data Sheet
Dual Output
Rev. JUN 06, 2002
Page 10 of 13
Safety Requirements
The
converters
meet
North
American
and
International safety regulatory requirements per
UL60950 and
EN60950.
Basic
Insulation
is
provided between input and output.
To comply with safety agencies requirements, an
input line fuse must be used external to the
converter. A 5-A fuse is recommended for use
with this product.
Electromagnetic Compatibility (EMC)
EMC requirements must be met at the end-
product system level, as no specific standards
dedicated
to
EMC
characteristics
of
board
mounted
component
dc-dc
converters
exist.
However, Power-One tests its converters to
several system level standards, primary of which
is the more stringent EN55022, Information
technology
equipment
-
Radio
disturbance
characteristics
-
Limits
and
methods
of
measurement.
With the addition of a simple external filter (see
application notes), all versions of the QD48T
family of converters pass the requirements of
Class B conducted emissions per EN55022 and
FCC, and meet at a minimum, Class A radiated
emissions per EN 55022 and Class B per FCC
Title 47CFR, Part 15-J.
Please contact Power-
One Applications Engineering for testing details.
Thermal Considerations
The Q2D series converters are designed for
natural
or
forced convection cooling.
The
maximum
available
output
power
of
the
converters
is
determined
by
the
maximum
semiconductor junction temperature. To provide
reliable long-term operation of the converters,
Power-One limits maximum allowable junction
temperature to 120°C.
The graphs in Figures 14-20 show the maximum
output current of the Q2D series converters at
different local ambient temperatures at both
natural and forced (longitudinal airflow direction,
from pin 3 to pin 4) convection.
Iout1=Iout2 for all derating curves.
Ambient Temperature [°C]
20
30
40
50
60
70
80
90
%
o
fMax.
Load
Current
Iout
1,
Iou
t2
0
10
20
30
40
50
60
70
80
90
100
110
120
500 LFM (2.5 m/s)
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)
Fig.14 Q2D25ZGE (5.0V/3.3V) Derating Curves
Ambient Temperature [°C]
20
30
40
50
60
70
80
90
Loa
d
Curr
e
n
t
Io
ut1,
Iout2
[A
d
c
]
0.0
2.5
5.0
7.5
10.0
12.5
15.0
17.5
20.0
500 LFM (2.5 m/s)
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)
Fig.15 Q2D25ZGD (5.0V/2.5V) Derating Curves
Ambient Temperature [°C]
20
30
40
50
60
70
80
90
Tot
a
lO
u
tput
P
o
w
e
r[
W
]
0
10
20
30
40
50
60
70
80
90
100
500 LFM (2.5 m/s)
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)
Fig.16 Q2D25ZGB (5.0V/1.8V) Derating Curves
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