参数资料
型号: 40IMX4-1515-8
厂商: Power-One
文件页数: 4/12页
文件大小: 0K
描述: CONVERT 4W 2X 15V DC/DC
标准包装: 10
系列: *

IMX4 Series Data Sheet
?
Electrical Input Data
General conditions: T A = 25 °C, unless T C is specified.
Table 2: Input Data
4 Watt DC-DC Converters
Input
5I MX4
20IMX4
40IMX4
70IMX4
Unit
Characteristics
Conditions
min
typ max min typ max min typ max min typ max
V i
V i nom
Input voltage range
Nominal input voltage
T C min to T C max
I o = 0 to I o nom
4.7
5.0 16.8 8.4
5.0
20
36 16.8 2
40
75
40
70
121
VDC
V i sur
Repetitive surge voltage abs. max input (3 s)
--
40
100
150
t start-up
Converter start-up time 1
Worst case condition at
V i min and full load
0.25 0.5
0.25 0.5
0.25 0.5
0.25 0.5
s
t rise
Rise time 1
V i nom
resistive load
--
5
5
5
ms
I o nom
capacitive load
--
12
12
12
I i o
No-load input current
I o = 0, V i min to V i max
--
15
20
5
10
5
10
mA
C i
Input capacitance
--
0.54
0.3
0.15
μF
I inr p
Inrush peak current
V i = V i nom
3
3.8
3.7
4.2
5.6
A
f s
Switching frequency
V i min to V i max , I o = 0 to I o nom
400
400
400
400
kHz
I i rr
Reflected ripple current I o = 0 to I o nom
--
100
60
30
mA pp
v i RFI
Input RFI level
conducted
EN 55011/55022 4
--
A
A
A
Class
1
2
3
4
Measured with a resistive or max. admissible capacitive load; see fig. 5
Operation at lower input voltage possible: P o approx. 80% of P o nom at V i min = 14.4 V
Source impedance according to ETS 300132-2, version 4.3.
External capacitors required according to table 3.
Start-up
V o
V o nom
t rise
04008b
Filter to Comply with EN 55011/55022
Electromagnetic emission requirements according to table
Electrical Input Data can be achieved by adding an external
capacitor as close as possible to the input terminals (see fig. 7
and table 3).
Fig. 5
t startup
t
Vi+
04035b
Converter start-up and rise time
Inrush Current
The inrush current has been kept as low as possible by
choosing a very small input capacitance. A series resistor may
be inserted in the input line to further limit this current.
Fig. 7
Input capacitors
+
C i
Vi–
A
04034a
Table 3: Input electrolytic capacitors
3
2
Model
C i
20IMX4
100 μ F
50 V
40IMX4
47 μ F
100 V
70IMX4
330 μ F
200 V
1
0
Fig. 6
0
10
20
30
40
μs
Typ. inrush current at V i nom , P o nom versus time measured
according to ETS 300132-2, version 4.3 (40IMX4).
BCD20006-G Rev AC, 06-Jul-2012
Page 4 of 12
www.power-one.com
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