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参数资料
| 型号： | AEH15G48-7 |
| 元件分类： | 电源模块 |
| 英文描述： | 1-OUTPUT 37.5 W DC-DC REG PWR SUPPLY MODULE |
| 封装： | 2.400 X 2.280 INCH, 0.500 INCH HEIGHT, HALF BRICK PACKAGE-9 |
| 文件页数： | 15/35页 |
| 文件大小： | 409K |
| 代理商： | AEH15G48-7 |
第1页第2页第3页第4页第5页第6页第7页第8页第9页第10页第11页第12页第13页第14页当前第15页第16页第17页第18页第19页第20页第21页第22页第23页第24页第25页第26页第27页第28页第29页第30页第31页第32页第33页第34页第35页
A
A
A E
E
E H
H
H H
H
H a
a
a llllffff--B
B
B rrrriiiic
c
c k
k
k P
P
P o
o
o w
w
w e
e
e rrrr C
C
C o
o
o n
n
n v
v
v e
e
e rrrrtttte
e
e rrrrs
s
3
3 6
6
6 V
V
V D
D
D C
C
C tttto
o
o 7
7
7 5
5
5 V
V
V D
D
D C
C
C IIIIn
n
n p
p
p u
u
u tttt,,,, 2
2
2 ....5
5
5 V
V
V O
O
O u
u
u ttttp
p
p u
u
u tttt,,,, 5
5
5 0
0
0 --1
1
1 5
5
5 0
0
0 W
W
-22-
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duces the best results. To reduce reflected
noise, a capacitor can be added across the
input as shown in Figure 3, forming a
π filter. A
47
F/100V electrolytic capacitor is recom-
mended for C1.
For conditions where EMI is a concern, a differ-
ent input filter can be used. Figure 4 shows an
input filter designed to reduce EMI effects. L1
is a 5mH common mode choke.
When a filter inductor is connected in series
with the power converter input, an input capac-
itor C1 should be added. An input capacitor C1
should also be used when the input wiring is
long, since the wiring can act as an inductor.
Failure to use an input capacitor under these
conditions can produce large input voltage
spikes and an unstable output.
CNT Function
Two CNT options are available.
Negative logic applying a voltage less than
1.2V to the CNT pin will enable the output, and
applying a voltage greater than 3V will disable
it.
Positive logic applying a voltage larger than
3V to the CNT pin will enable the output, and
applying a voltage less than 1.2V will disable it.
Positive logic, device code suffix “ P “ .
Negative logic, device code suffix nothing is the
factory-preferred.
If the CNT pin is left open, the converter will
default to “ control off ” operation in nega-
tive logic, but default to “ control on ” in
positive logic.
The maximum voltage that can be applied to
the CNT pin is 15V.
Input-Output Characteristic
Safety Consideration
For safety-agency approval of the system in
which the power module is used, the power
module must be installed in compliance with the
spacing and separation requirements of the
end-use safety agency standard, i.e., UL1950,
CSA C22.2 No. 950-95, and EN60950. The
+Vin
-Vin
C1
Fig.3 Ripple Rejection Input Filter
1uF
0.33uF
L1
470u
0.33uF
Case
-Vin
1u
1000p
2200uF/16V
100pF
Fig.4 EMI Reduction Input Filter
-Vin
CNT
-Vin
CNT
-Vin
CNT
-Vin
CNT
Fig.8 Relay Control
Fig.5 Simple Control
Fig.6 Transistor Control
Fig.7 Isolated Control
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