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参数资料
| 型号： | LW005B |
| 元件分类： | 电源模块 |
| 英文描述： | 1-OUTPUT 5 W DC-DC REG PWR SUPPLY MODULE |
| 封装： | 32 X 25.40 MM, 10.20 MM HEIGHT, LOW PROFILE, MODULE-5 |
| 文件页数： | 12/20页 |
| 文件大小： | 369K |
| 代理商： | LW005B |
2
Lucent Technologies Inc.
Data Sheet
December 1999
18 Vdc to 36 Vdc or 36 Vdc to 75 Vdc Inputs, 5 W
LC/LW005-Series Power Modules:
Absolute Maximum Ratings
Stresses in excess of the absolute maximum ratings can cause permanent damage to the device. These are abso-
lute stress ratings only. Functional operation of the device is not implied at these or any other conditions in excess
of those given in the operations sections of the data sheet. Exposure to absolute maximum ratings for extended
periods can adversely affect device reliability.
Electrical Specications
Table 1. Input Specications
Fusing Considerations
CAUTION: This power module is not internally fused. An input line fuse must always be used.
This encapsulated power module can be used in a wide variety of applications, ranging from simple stand-alone
operation to an integrated part of a sophisticated power architecture. To preserve maximum exibility, internal fus-
ing is not included; however, to achieve maximum safety and system protection, always use an input line fuse. The
safety agencies require a normal-blow fuse with a maximum rating of 5 A (see Safety Considerations section).
Based on the information provided in this data sheet on inrush energy and maximum dc input current, the same
type of fuse with a lower rating can be used. Refer to the fuse manufacturer’s data for further information.
Parameter
Device
Symbol
Min
Typ
Max
Unit
Input Voltage:
Continuous
Transient (100 ms)
LC
LW
VI
VI, trans
0
—
50
80
100
Vdc
V
Operating Case Temperature
All
TC
–40
—
105
°C
Operating Ambient Temperature in
Natural Convection (See Thermal Con-
siderations section.)
All
TA
–40
—
85
°C
Storage Temperature
All
Tstg
–55
—
125
°C
I/O Isolation Voltage (1 minute)
All
—
1500
Vdc
Parameter
Device
Symbol
Min
Typ
Max
Unit
Operating Input Voltage
LC
LW
VI
18
36
24
48
36
75
Vdc
Maximum Input Current
(VI = 0 to VI, max; IO = IO, max; see Figures
LC
LW
II, max
—
0.6
0.3
A
Inrush Transient
All
I2t
—
0.2
A2s
Input Reected-ripple Current
(5 Hz to 20 MHz; 12
H source
impedance; TC = 25
°C; see Figure 16.)
All
II
—
5
—
mAp-p
Input Ripple Rejection
(100 Hz—120 Hz)
All
—
45
—
dB
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相关代理商/技术参数 |
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| LW005FZ | 功能描述:DC/DC转换器 48V in 3.3V out 4W 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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