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参数资料
| 型号： | NPX20S24025DC |
| 厂商： | Murata Power Solutions Inc |
| 文件页数： | 2/8页 |
| 文件大小： | 0K |
| 描述： | CONV DC/DC 6A 24VIN 2.5VOUT SGL |
| 产品变化通告： | Obsolescence 22/Dec/2009 |
| 标准包装： | 10 |
| 系列： | NPX20 |
| 类型： | 隔离 |
| 输出数： | 1 |
| 电压 - 输入（最小）： | 18V |
| 电压 - 输入（最大）： | 36V |
| Voltage - Output 1： | 2.5V |
| 电流 - 输出（最大）： | 6A |
| 电源（瓦） - 制造商系列： | 20W |
| 电压 - 隔离： | 1.5kV（1500V） |
| 安装类型： | 通孔 |
| 封装/外壳： | 6-DIP 模块 |
| 尺寸/尺寸： | 2.02" L x 1.00" W x 0.36" H（51.3mm x 25.4mm x 9.1mm） |
| 包装： | 管件 |
| 工作温度： | -40°C ~ 85°C |
| 效率： | 80% |
| 电源（瓦特）- 最大： | 15W |
| 其它名称： | 811-1657 |
NPX20 Series
Isolated 20W Single Output DC/DC Converters
GENERAL CHARACTERISTICS
Parameter
Conditions
Min.
Typ.
Max.
Units
Switching frequency
Module on (open collector input)
350
kHz
Remote on/off
MTTF
ABSOLUTE MAXIMUM RATINGS
Input voltage, 24V input types 1
Input voltage, 48V input types 1
Module off
MIL HDBK 217F
OBSO LE
TE
-1.0
487000
0.5
40V
80V
V
mA
kHrs
Output voltage
Output trim control
Remote On/Off
ISOLATION CHARACTERISTICS
-0.5V / +V OUT
-0.5V / +V OUT
0.5V
Parameter
Isolation test voltage
Resistance
Conditions
Flash tested for 1 second
VISO = 500VDC
Min.
1500
1
Typ.
Max.
Units
VDC
GΩ
Capacitance
ENVIRONMENTAL CHARACTERISTICS
65
pF
Parameter
Substrate temperature
Storage
Thermal protection
Conditions
Full load
Absolute Max. internal temperature
Operates at substrate temperature
Min.
-40
-40
Typ.
100
Max.
85
125
Units
°C
°C
°C
EMC FILTERING AND SPECTRA
EMC FILTER AND VALUES
C1 4.7μF 100V Polyester capacitor
C2 4.7nF 250 VAC Y rated
C3 33μF ESR <0.7 Ω 100V Electrolytic capacitor
Recommended EMC ?lter should reduce conducted emissions below EN 55022 curve B Quasi-peak average limit.
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 NPX20 series of dc/dc converters are all 100% production tested at their stated isolation voltage. This is 1500V 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 NPX20S series has been recognized by Underwriters Laboratory to UL 60950 Basic Insulation class, and may be used as part of safety isolation scheme, provided that the out-
put is maintained within SELV limits and the input is connected to a TNV or SELV supply. The isolation test voltage represents a measure of immunity to transient voltages. The part
can be expected to function 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
requriements.
REPEATED HIGH-VOLTAGE ISOLATION TESTING
It is well known that repeated high-voltage testing of a barrier component can actually degrade isolation capability, to a lesser or greater degree depending on materials, construc-
tion and environment. While manufactured parts can withstand several times the stated test voltage, any material is susceptible to eventual degradation when subjected to very
high applied voltages, thus implying that the number of tests should be strictly limited. We therefore strongly advise against repeated high voltage testing, but if it is absolutely
requried, that the voltage be reduced by 20% from the speci?ed test voltage.
1. Absolute maximum value for 30 seconds. Prolonged operation may damage the product.
www.murata-ps.com
Technical enquiries email: mk@murata-ps.com, tel: +44 (0)1908 615232
2010/02/08
KDC_NPX20C.I01 Page 2 of 8
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相关代理商/技术参数 |
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|---|---|
| NPX20S24025MC | 功能描述:DC/DC转换器 24Vin 2.5Vout 6A 15W Iso 20W SMT 10pin 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: |
| NPX20S24025PMC | 功能描述:DC/DC转换器 24Vin 2.5Vout 6A 15W Iso 20W SMT 8pin 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: |
| NPX20S24033DC | 功能描述:DC/DC转换器 24V 3.3Vout 6A 19.8W Isolated 20W TH 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: |
| NPX20S24033MC | 功能描述:DC/DC转换器 24V 3.3Vout 6A 19.8W Iso 20W SMT 10pin 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: |
| NPX20S24033PMC | 功能描述:DC/DC转换器 24V 3.3Vout 6A 19.8W Iso 20W SMT 8pin 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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