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参数资料
| 型号： | LW020B |
| 元件分类： | 电源模块 |
| 英文描述： | 1-OUTPUT 20 W DC-DC REG PWR SUPPLY MODULE |
| 封装： | LOW PROFILE, MODULE-8 |
| 文件页数： | 10/16页 |
| 文件大小： | 341K |
| 代理商： | LW020B |
Lucent Technologies Inc.
3
Data Sheet
January 2000
36 Vdc to 75 Vdc Inputs; 20 W
LW020 Single-Output-Series Power Modules:
Electrical Specications (continued)
Table 2. Output Specications
Parameter
Device
Symbol
Min
Typ
Max
Unit
Output Voltage Set Point
(VI = 48 V; IO = IO, max; TC = 25
°C)
LW020G
LW020F
LW020A
LW020B
LW020C
VO, set
2.46
3.25
4.92
11.81
14.76
2.5
3.3
5.0
12.0
15.0
2.54
3.35
5.08
12.19
15.24
Vdc
Output Voltage
(Over all line, load, and temperature
conditions until end of life; see Figure 13.)
LW020G
LW020F
LW020A
LW020B
LW020C
VO
2.4
3.20
4.85
11.64
14.55
—
2.6
3.40
5.15
12.36
15.45
Vdc
Output Regulation:
Line (VI = 36 V to 75 V)
Load (IO = IO, min to IO, max)
Temperature (TC = –40
°C to +100 °C)
All
—
0.01
0.05
0.5
0.1
0.2
1.0
%VO
Output Ripple and Noise Voltage
(See Figure 12.):
RMS
Peak-to-peak (5 Hz to 20 MHz)
LW020A, F, G
LW020B, C
LW020A, F, G
LW020B, C
—
20
50
20
50
100
150
mVrms
mVp-p
Output Current
(At IO < IO, min, the modules may exceed
output ripple specications.)
LW020A, F, G
LW020B
LW020C
IO
0.4
0.17
0.13
—
4.0
1.67
1.33
A
Output Current-limit Inception
All
IO
103
—
150
%IO, max
Output Short-circuit Current
(VO = 250 mV)
LW020C
LW020B
LW020A, F, G
IO
—
150
250
220
200
%IO, max
Efciency
(VI, nom; IO = IO, max; TC = 25
°C; see Figures
LW020G
LW020F
LW020A
LW020B
LW020C
η
71
74
77
82
75
77
81
85
—
%
Switching Frequency
All
—
256
—
kHz
Dynamic Response
(
IO/t = 1 A/10 s, VI = VI, nom, TA = 25 °C):
Load Change from IO = 50% to 75% of
IO, max:
Peak Deviation
Settling Time (VO < 10% peak
deviation)
Load Change from IO = 50% to 25% of
IO, max:
Peak Deviation
Settling Time (VO < 10% peak
deviation)
All
—
2
1.0
2
1.0
—
%VO, set
ms
%VO, set
ms
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相关代理商/技术参数 |
参数描述 |
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| LW020B1 | 制造商:未知厂家 制造商全称:未知厂家 功能描述:DC-to-DC Voltage Converter |
| LW020B3 | 制造商:未知厂家 制造商全称:未知厂家 功能描述:DC-to-DC Voltage Converter |
| LW020B7 | 制造商:未知厂家 制造商全称:未知厂家 功能描述:DC-to-DC Voltage Converter |
| LW020B71 | 制造商:未知厂家 制造商全称:未知厂家 功能描述:DC-to-DC Voltage Converter |
| LW020B8 | 制造商:未知厂家 制造商全称:未知厂家 功能描述:DC-to-DC Voltage Converter |
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