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| 型号： | UEI25-050-D48N-C |
| 厂商： | Murata Power Solutions Inc |
| 文件页数： | 22/24页 |
| 文件大小： | 0K |
| 描述： | CONV DC/DC 25W 5V |
| 产品培训模块： | UEI25 Series |
| 产品目录绘图： | UEI25 Series |
| 标准包装： | 90 |
| 系列： | UEI25 |
| 类型： | 隔离 |
| 输出数： | 1 |
| 电压 - 输入（最小）： | 36V |
| 电压 - 输入（最大）： | 75V |
| Voltage - Output 1： | 5V |
| 电流 - 输出（最大）： | 5A |
| 电源（瓦） - 制造商系列： | 25W |
| 电压 - 隔离： | 2.25kV（2250V） |
| 特点： | 具有远程开/关功能 |
| 安装类型： | 通孔 |
| 封装/外壳： | 6-DIP 模块 |
| 尺寸/尺寸： | 1.10" L x 0.96" W x 0.32" H（27.9mm x 24.4mm x 8.1mm） |
| 包装： | 管件 |
| 工作温度： | -40°C ~ 85°C |
| 效率： | 89% |
| 电源（瓦特）- 最大： | 25W |
| 产品目录页面： | 2719 (CN2011-ZH PDF) |
| 其它名称： | 811-2223 |
UEI25 Series
Single Output Isolated 25-Watt DC/DC Converters
Emissions Performance
Murata Power Solutions measures its products for radio frequency emissions
against the EN 55022 and CISPR 22 standards. Passive resistance loads are
employed and the output is set to the maximum voltage. If you set up your
own emissions testing, make sure the output load is rated at continuous power
while doing the tests.
The recommended external input and output capacitors (if required) are
included. Please refer to the fundamental switching frequency. All of this
information is listed in the Product Speci?cations. An external discrete ?lter is
dBμV
100
90
80
70
60
50
40
30
20
10
0
QP
AV
installed and the circuit diagram is shown below.
0.15
1.0
10.0
30.0
MHz
Graph 2. Conducted emissions performance with ?lter, Negative Line, CISPR 22, Class B,
Test Card
C4
Resistive Load
full load, for UEI25-050-D48NM-C
DC Source
V+
L2
UUT
Resistive Load
Black
C1
C2
C3
Vin+
Vout+
C6
inside a metal
container
dBμV
100
QP
Average
L1
90
80
V-
Vin-
Vout-
70
60
50
C5
Figure 7. Conducted Emissions Test Circuit
40
30
20
10
0
[1] Conducted Emissions Parts List
0.15
1.0
10.0
30.0
MHz
Reference
L1
L2
C1, C2
Part Number
PE-62913
NC
VZ Series
Description
1mH, 6A
4.7uH, 3.6A
Electrolytic Capacitor 22ufd, 100V
Vendor
Pulse
Murata
Panasonic
Graph 3. Conducted emissions performance without ?lter, Negative Line, CISPR 22, Class
B, full load, for UEI25-050-D48NM-C
C3
C4, C5
C6
VZ Series
Unknown
VZ Series
Qty 2 - Electrolytic Capacitor 22ufd, 100V
3.3nF, 1500V
Electrolytic Capacitor 22ufd, 100V
Panasonic
Unknown
Panasonic
dBμV
100
90
80
QP
AV
70
[2] Conducted Emissions Test Equipment Used
?
?
?
? Rohde & Schwarz EMI Test Receiver (9KHz – 1000MHz) ESPC
? Rohde & Schwarz Software ESPC-1 Ver. 2.20
? OHMITE 25W – 1 Ohm resistor combinations
?
? DC Source Programmable DC Power Supply Model 62012P-100-50
60
50
40
30
20
10
0
0.15
1.0
10.0
30.0
MHz
[3] Conducted Emissions Test Results
Graph 4. Conducted emissions performance with ?lter, Negative Line, CISPR 22, Class B,
full load, for UEI25-120-D48P-C
dBμV
100
90
80
70
QP
AV
60
50
40
30
20
10
0
0.15 1.0 10.0 30.0
MHz
Graph 1. Conducted emissions performance with ?lter, Negative Line, CISPR 22, Class B,
full load, for UEI25-033-D48PM-C
[4] Layout Recommendations
Most applications can use the ?ltering which is already installed inside the
converter or with the addition of the recommended external capacitors. For
greater emissions suppression, consider additional ?lter components and/or
shielding. Emissions performance will depend on the user’s PC board layout,
the chassis shielding environment and choice of external components.
Since many factors affect both the amplitude and spectra of emissions, we
recommend using an engineer who is experienced at emissions suppression.
www.murata-ps.com/support
MDC_UEI25W.B09 Page 22 of 24
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相关代理商/技术参数 |
参数描述 |
|---|---|
| UEI25-050-D48NM-C | 功能描述:DC/DC转换器 48Vin 5Vout 5A SMT 25W Neg. Polarity 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: |
| UEI25-050-D48P-C | 功能描述:DC/DC转换器 48Vin 5Vout 5A 25W Pos. Polarity 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: |
| UEI25-050-D48PM-C | 功能描述:DC/DC转换器 48Vin 5Vout 5A SMT 25W Pos. Polarity 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: |
| UEI25-120 | 制造商:MURATA 制造商全称:Murata Manufacturing Co., Ltd. 功能描述:Single Output Isolated 25-Watt DC/DC Converters |
| UEI25-120-D48 | 制造商:MURATA 制造商全称:Murata Manufacturing Co., Ltd. 功能描述:Single Output Isolated 25-Watt DC/DC Converters |
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