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| 型号： | NKE1205DC |
| 厂商： | Murata Power Solutions Inc |
| 文件页数： | 2/7页 |
| 文件大小： | 0K |
| 描述： | CONV DC/DC 1W 12VIN 5V DIP SGL |
| 产品培训模块： | Low Power DC/DC Converters <5W |
| 标准包装： | 40 |
| 系列： | NKE |
| 类型： | 隔离 |
| 输出数： | 1 |
| 电压 - 输入（最小）： | 10.8V |
| 电压 - 输入（最大）： | 13.2V |
| Voltage - Output 1： | 5V |
| 电流 - 输出（最大）： | 200mA |
| 电源（瓦） - 制造商系列： | 1W |
| 电压 - 隔离： | 3kV（3000V） |
| 安装类型： | 通孔 |
| 封装/外壳： | 8-DIP 模块（4 引线） |
| 尺寸/尺寸： | 0.39" L x 0.45" W x 0.21" H（9.9mm x 11.4mm x 5.3mm） |
| 包装： | 管件 |
| 工作温度： | -40°C ~ 85°C |
| 效率： | 72% |
| 电源（瓦特）- 最大： | 1W |
| 产品目录页面： | 2716 (CN2011-ZH PDF) |
| 其它名称： | 811-1440-5 |
NKE Series
Isolated Sub-Miniature 1W Single Output DC/DC Converters
OUTPUT CHARACTERISTICS
Parameter
Rated Power
Conditions
T A =-40°C to 120°C, see derating graphs
Min.
Typ.
Max.
1.0
Units
W
Voltage Set Point Accuracy
See tolerance envelope
Line regulation
Load Regulation 1
Ripple and Noise
High V IN to low V IN
10% load to rated load, 3.3V output types & 0309
10% load to rated load, 5V output types
10% load to rated load, 9V output types
10% load to rated load, 12V output types
10% load to rated load, 15V output types
BW=DC to 20MHz, 3.3V output types & 0305, 0505SEC, 0505DEC
BW=DC to 20MHz, other 5V output types
BW=DC to 20MHz, 9V output types
BW=DC to 20MHz, 12V output types
BW=DC to 20MHz, 15V output types
1.0
10
12
7.5
6.5
6.0
40
77
43
35
32
1.2
15
15
10
9.5
8.5
80
100
90
65
55
%/%
%
mV p-p
ISOLATION CHARACTERISTICS
Parameter
Conditions
Min.
Typ.
Max.
Units
Isolation test voltage
Resistance
Flash tested for 1 second
Viso= 1000VDC
3000
10
VDC
GΩ
GENERAL CHARACTERISTICS
Parameter
Switching frequency
Conditions
All output types
Min.
Typ.
115
Max.
Units
kHz
TEMPERATURE CHARACTERISTICS
Parameter
Speci?cation
Storage
Case temperature rise above
Conditions
All output types
0505D/S, 1205D/S
Min.
-40
-50
Typ.
Max.
85
130
41
Units
°C
ambient
Cooling
All other output types
Free air convection
32
TECHNICAL NOTES
ISOLATION VOLTAGE
‘Hi Pot Test’, ‘Flash Tested’, ‘Withstand Voltage’, ‘Proof Voltage’, ‘Dielectric Withstand Voltage’ & ‘Isolation Test Voltage’ are all terms that relate to the same thing, a test voltage,
applied for a speci?ed time, across a component designed to provide electrical isolation, to verify the integrity of that isolation.
Murata Power Solutions NKE series of dc/dc converters are all 100% production tested at their stated isolation voltage. This is 1000V DC for 1 second.
A question commonly asked is, “What is the continuous voltage that can be applied across the part in normal operation?”
The NKE series has been recognized by Underwriters Laboratory for functional insulation. Both input and output should normally be maintained within SELV limits i.e. less than
42.4V peak, or 60VDC. The isolation test voltage represents a measure of immunity to transient voltages and the part should never be used as an element of a safety isolation sys-
tem. The part could be expected to function correctly with several hundred volts offset applied continuously across the isolation barrier; but then the circuitry on both sides of the
barrier must be regarded as operating at an unsafe voltage and further isolation/insulation systems must form a barrier between these circuits and any user-accessible circuitry
according to safety standard requirements.
REPEATED HIGH-VOLTAGE ISOLATION TESTING
It is well known that repeated high-voltage isolation testing of a barrier component can actually degrade isolation capability, to a lesser or greater degree depending on materi-
als, construction and environment. While manufactured parts can withstand several times the stated test voltage, the isolation capability does depend on the wire insulation. Any
material, including this enamel (typically polyurethane) is susceptible to eventual chemical degradation when subject to very high applied voltages thus implying that the number of
tests should be strictly limited. We therefore strongly advise against repeated high voltage isolation testing, but if it is absolutely required, that the voltage be reduced by 20% from
speci?ed test voltage.
SAFETY APPROVAL
The NKE series has been recognised by Underwriters Laboratory (UL) to UL 60950 for functional insulation in a maximum ambient temperature of 85oC and/or case temperature
limit of 130oC. Case temperature measured on the face opposite the pins. File number E151252 applies.
1. 12V input types have typically 3% less load regulation.
www.murata-ps.com/support
KDC_NKE.K04 Page 2 of 7
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相关代理商/技术参数 |
参数描述 |
|---|---|
| NKE1205S | 功能描述:DC/DC转换器 USE 580-NKE1205SC 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: |
| NKE1205S | 制造商:Murata Power Solutions 功能描述:DC/DC CONVERTER SIL 1W 5V |
| NKE1205SC | 功能描述:DC/DC转换器 1W 12V to 5V 200mA Single Output 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: |
| NKE1205SC | 制造商:Murata Power Solutions 功能描述:DC-DC Converter Supply Voltage:12V |
| NKE1205XDC | 制造商:MICRODC 制造商全称:MICRODC 功能描述:Isolated Sub-Miniature 1W Single Output DC/DC Converters |
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