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参数资料
| 型号： | LWR1301-6ERFK2G |
| 厂商： | POWER-ONE INC |
| 元件分类： | 电源模块 |
| 英文描述： | DC-DC REG PWR SUPPLY MODULE |
| 封装： | ROHS COMPLIANT |
| 文件页数： | 26/28页 |
| 文件大小： | 1316K |
| 代理商： | LWR1301-6ERFK2G |
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BCD20020-G REV AA
Page 7 of 28
www.power-one.com
W Series Data Sheet
125, 250 Watt AC-DC and DC-DC DIN-Rail Converters
Table 5b: Po derating according to UL 60950 at TA = 50 °C, or according to UL 508 at Tout = 40 °C
Model
Po nom
TC max
Derate below
derate by
[W]
[°C]
Vi [VAC]
Vi [VDC]
[W/ V]
LWR1601-6E
124
76
98
no derating
–0.67
LWN1601/2660-6E
247
86
115
105
–1.25
LWR1801-6E
124
76
93
no derating
–0.67
LWN1801/2880-6E
247
86
105
95
–1.25
Output Power Derating
The output power of LW models must be decreased at low
input voltage and/or powertrain temperature above 125 °C.
The powertrain temperature depends on the output power, the
input voltage, and the cooling method. At low input voltage the
losses increase. At the maximum specified environment
temperature TA free air convection cooling might be insufficient
approaching maximum ambient conditions. As a result, the
output power has to be reduced according to the tables below.
Input Fuse and Protection
A slow blow fuse ( Schurter T 6.3 A, 5
× 20 mm), protected by a
sleeve, is connected in the line input. EW models have a
smaller fuse (250 V, 4
× 9 mm, SOC NT3 6.3A V009, UL-
recognized E-39265). For DC input voltages above 250 V
observe the Installation Instructions.
Converters with option F have 2 small fuses, one in each input
line. Converters with option E and F have 2 large fuses
( T 6.3 A, 5
× 20 mm). The DC input voltage for all converters
with option F is limited to 250 V.
A VDR and a symmetrical input filter form an effective
protection against input transients.
An under- and overvoltage lockout protects the converter,
which is disabled below Vi min and above Vi max by an internally
generated inhibit signal.
The built-in bridge rectifier provides reverse polarity protection
at the input if operated from DC.
EW models are protected by the (blowing) input fuse in
connection with the body diode of the main transistor. Option Q
offers a serial diode, but this affects efficiency by approx. 1%.
Note: The measurements have been made by the approval
boards with free air convection cooling according to UL 60950
specified ambient temperature TA and with the converter built in a
cardboard box according to UL 508 and a specified temperature
outside the box Tout. The tables give a correlation between TA or
Tout and the case temperature TC (measuring point TC see
Mechanical Data). For models not specified, please contact
Power-One.
EW models have no derating.
Efficiency
Table 5a: Po derating according to UL 60950 at TA = 60 °C, or according to UL 508 at Tout = 50 °C
Model
Po nom
TC max
Derate below
derate by
[W]
[°C]
Vi [VAC]
Vi [VDC]
[W/ V]
LWR1601-6E
124
80
108
98
–0.67
LWN1601/2660-6E
247
89
125
115
–1.25
LWR1701-6E
122
80
125
115
–1.25
LWN1701-6E
244
90
125
115
–1.25
LWR1801-6E
124
80
98
93
– 0.67
LWN1801/2880-6E
247
89
125
115
–1.25
Fig. 3
Efficiency versus load (LWN2660-6)
0
0.2
0.4
0.6
0.8
1
0
30
40
10
20
50
60
70
80
90
I
o
I
o nom
V
i
= 125 VAC
V
i = 230 VAC
04071
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LWR-1601-6 | 制造商:POWER-ONE 制造商全称:Power-One 功能描述:125 and 250 Watt AC-DC Converters |
| LWR1601-6 | 制造商:Power-One 功能描述:AC/DC PS SGL-OUT 24.7V 5A 125W 5PIN - Bulk |
| LWR16016-6E | 制造商:Power-One 功能描述: |
| LWR1601-6E | 功能描述:DC/DC转换器 DIN Rail 124W (24.7V) 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: |
| LWR1601-6EG | 功能描述:DC/DC转换器 125W W-DIN-Rail Converters SNGL OUT 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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