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参数资料
| 型号： | 20IMX4-15-9Z |
| 厂商： | POWER-ONE INC |
| 元件分类： | 电源模块 |
| 英文描述： | 1-OUTPUT 4 W DC-DC REG PWR SUPPLY MODULE |
| 封装： | 8.5 MM, DIP-24 |
| 文件页数： | 8/12页 |
| 文件大小： | 180K |
| 代理商： | 20IMX4-15-9Z |
REV. AUG 05, 2004
Page 5 of 12
www.power-one.com
IMX4 DC-DC Series Data Sheet
4-Watt DC-DC Converters
Table 5: Components for external circuitry (IEC/EN 61000-4-5)
Circuit Ref.
20IMX4
40IMX4
70IMX4
L
330
H, 0.42 , 0.6 A
330
H, 0.42 , 0.6 A
330
H, 0.65 , 0.62 A
TDK TSL1110-331KR55
Toko, 494LXF-0098K
C
68
F, 63 V, 85°C
68
F, 100 V, 85°C
100
F, 150 V, 85°C
D
Motorola 1.5KE 39 A
Motorola 1.5KE 82 A
–
Input Transient Voltage Protection
In many applications transient voltages on the input of the
converter are always a possibility. These may be caused
for example by short circuits between Vi+ and Vi– where
the network inductance may cause high energy pulses.
In order to protect the converter a large transient voltage
suppressor has been fitted to the input of the IMX4 types.
Specifications as on table below.
Table 4: Built-in transient voltage suppressor
Type
Breakdown
Peak Power
Peak Pulse
Voltage
at 1 ms
Current
VBR nom
PP
IPP
20IMX440 V
600 W
10.3 A
40IMX4100 V
600 W
4.1 A
70IMX4150 V
600 W
2.9 A
Fig. 9
Dimensions for inductor L
Vi+
Vi–
C
L
D
+
04036
11.5
5
10.5
5
0.7
04029
Fig. 8
Example for external circuitry to comply with
IEC/EN 61000-4-5, level 2.
If transients generating currents above the peak pulse
current
IPP are possible then an external limiting network
such as the circuit recommended for IEC/EN 61000-4-5
Level 2 compliance is necessary.
To achieve IEC/EN 61000-4-5, level 2 compliance an
additional transzorb, inductor and capacitor should be
provided externally as shown in the figure below. The
components should have similar characteristics as listed
in the table below.
To withstand the 150 V transient according to 19 Pfl 1,
applicable for 40IMX4 types, the same external circuitry
with similar components as for IEC/EN 61000-4-5, level 2
compliance can be used.
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| 20IMX4-2424-8 | 功能描述:DC/DC转换器 4W (2x 24V) DC Input (8.4-36V) RoHS:否 制造商:Murata 产品: 输出功率: 输入电压范围:3.6 V to 5.5 V 输入电压（标称）: 输出端数量:1 输出电压（通道 1）:3.3 V 输出电流（通道 1）:600 mA 输出电压（通道 2）: 输出电流（通道 2）: 安装风格:SMD/SMT 封装 / 箱体尺寸: |
| 20IMX4-2424-8G | 功能描述:DC/DC转换器 RoHS:否 制造商:Murata 产品: 输出功率: 输入电压范围:3.6 V to 5.5 V 输入电压（标称）: 输出端数量:1 输出电压（通道 1）:3.3 V 输出电流（通道 1）:600 mA 输出电压（通道 2）: 输出电流（通道 2）: 安装风格:SMD/SMT 封装 / 箱体尺寸: |
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