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參數資料
| 型號： | 110IMX35D12D12-8IZ |
| 廠商： | POWER-ONE INC |
| 元件分類： | 電源模塊 |
| 英文描述： | 4-OUTPUT 35 W DC-DC REG PWR SUPPLY MODULE |
| 文件頁數： | 11/15頁 |
| 文件大小： | 191K |
| 代理商： | 110IMX35D12D12-8IZ |
AUG 13, 2002
Rev 1.0
Page 5 of 15
www.power-one.com
IMX35 Series: 35W DC-DC Converters
Product Specifications
9-36V, 18-75V, 40-121V & 60-150V Inputs
Aug 2002
Dual/Triple/Quad Outputs 3.3V, 5V, 12V & 15V
Inrush current
The inrush current has been kept as low as possible by
choosing a very small input capacitance. A series resistor
may be installed in the input line to further reduce this cur-
rent.
I [A]
t [
s]
04022
0
10
20
30
40
50
60
70
80
90
100
4
3
2
1
Fig. 3
Typical inrush current at Ui nom, Po nom versus time
(40 IMX 35). Source impedance according to
prETS 300132-2, version 4.3 at Vi nom.
Fig. 4
Converter start-up and rise time
Uo nom
Uo
tstart up
trise
t
04008
Input Transient Voltage Protection
A built-in suppressor diode provides effective protection
against input transients which may be caused for example
by short-circuits accross the input lines where the network
inductance may cause high energy pulses.
Table 4: Built-in transient voltage suppressor
Type
Breakdown
Peak power
Peak pulse
voltage
at 1 ms
current
VBr nom [V]
Pp [W]
Ipp [A]
20 IMX 35
39
1500
22
40 IMX 35
100
1500
9.7
70 IMX 35
151
600
2.9
110 IMX 35
176
600
2.5
For very high energy transients as for example to achieve
IEC/EN 61000-4-5 or ETR 283 (19 Pfl1) compliance (as per
table: Electromagnetic Immunity) an external inductor and
capacitor are required. The components should have simi-
lar characteristics as listed in table: Components for exter-
nal circuitry for IEC/EN 61000-4-5, level 2 or ETR 283
(19Pfl1) compliance.
Note: The suppressor diode D is only necessary for
20 IMX 35 types.
Table 5: Components for external circuitry for IEC/EN
61000-4-5, level 2 or ETR 283 (19Pfl1) compliance.
Type
Inductor (L)
Capacitor (C)
Diode (D)
20 IMX 35
22
H/5A
470
F/40 V
1.5 k E47A
40 IMX 35
68
H/2.7 A
2 x 100
F/100 V
-
70 IMX 35
100
H/1 A
2 x 82
F/200 V
-
110 IMX 35 150
H/0.8 A
2 x 82
F/200 V
-
Vi+
Vi–
C
L
D
+
04036
Fig. 5
Example for external circuitry to comply with IEC/EN
61000-4-5 or ETR 283 (19Pfl1); the diode D is only neces-
sary for 20 IMX 35 types.
Reverse Polarity Protection
The built-in suppressor diode also provides for reverse po-
larity protection at the input by conducting current in the re-
verse direction. An external fuse is required to limit this cur-
rent.
Table 3: Recommended external fuses
Converter type
Fuse type
20 IMX 35
F8.0A
40 IMX 35
F4.0A
70 IMX 35
F2.0A
110 IMX 35
F1.5A
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