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参数资料
| 型号： | MER1S4805SC |
| 厂商： | MURATA POWER SOLUTIONS INC |
| 元件分类： | 电源模块 |
| 英文描述： | 1-OUTPUT 1 W DC-DC REG PWR SUPPLY MODULE |
| 封装： | ROHS COMPLIANT PACKAGE-4/6 |
| 文件页数： | 3/7页 |
| 文件大小： | 145K |
| 代理商： | MER1S4805SC |
Technical enquiries email: mk@murata-ps.com, tel: +44 (0)1908 615232
MER1 Series
1kVDC Isolated 1W Single Output DC/DC Converters
2011/01/24
KDC_MER1.B03 Page 3 of 7
www.murata-ps.com
APPLICATION NOTES
Minimum load
The minimum load to meet datasheet specication is 10% of the full rated load across the specied input voltage range. Lower than 10% minimum loading will result in
an increase in output voltage, which may rise to typically double the specied output voltage if the output load falls to less than 5%.
Capacitive loading and start up
Typical start up times for this series, with a typical input voltage rise time of 2.2μs and output capacitance of 10μF, are shown in the table below. The product
series will start into a capacitance of 47μF with an increased start time, however, the maximum recommended output capacitance is 10μF.
Ripple & Noise Characterisation Method
Ripple and noise measurements are performed with the following test conguration.
C1
1μF X7R multilayer ceramic capacitor, voltage rating to be a minimum of 3 times the output voltage of the DC/DC converter
C2
10μF tantalum capacitor, voltage rating to be a minimum of 1.5 times the output voltage of the DC/DC converter with an ESR of less
than 100mΩ at 100 kHz
C3
100nF multilayer ceramic capacitor, general purpose
R1
450Ω resistor, carbon lm, ±1% tolerance
R2
50Ω BNC termination
T1
3T of the coax cable through a ferrite toroid
RLOAD
Resistive load to the maximum power rating of the DC/DC converter. Connections should be made via twisted wires
Measured values are multiplied by 10 to obtain the specied values.
Differential Mode Noise Test Schematic
OSCILLOSCOPE
Y INPUT
SUPPLY
C1 C2 C3
R1
T1
R2
Input
Output
DC/DC Converter
R LOAD
+
-
Typical Start-Up Wave Form
Start-up time
μs
MER1S0505SC
600
MER1S1512SC
3375
MER1S0509SC
1730
MER1S1515SC
5090
MER1S0512SC
3780
MER1S2405SC
431
MER1S0515SC
6700
MER1S2409SC
245
MER1S1205SC
750
MER1S2412SC
1634
MER1S1209SC
2605
MER1S2415SC
2682
MER1S1212SC
3754
MER1S4805SC
512
MER1S1215SC
5280
MER1S4809SC
1432
MER1S1505SC
704
MER1S4812SC
2528
MER1S1509SC
1859
MER1S4815SC
3884
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MER1S4805SC | 制造商:Murata Power Solutions 功能描述:DC/DC CONVERTER |
| MER1S4809SC | 功能描述:DC/DC转换器 1W 48Vin 9Vout 111mA 1kVDC Isolated SIP 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: |
| MER1S4809SC | 制造商:Murata Power Solutions 功能描述:DC/DC CONVERTER |
| MER1S4812SC | 功能描述:DC/DC转换器 1W 48Vin 12Vout 84mA 1kVDC Isolated SIP 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: |
| MER1S4812SC | 制造商:Murata Power Solutions 功能描述:DC/DC CONVERTER |
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