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LW025 Datasheet(PDF) 3 Page - Tyco Electronics

Part No. LW025
Description  LW025 Single-Output-Series Power Modules 36 Vdc to 75 Vdc Inputs 25 W
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Maker  MACOM [Tyco Electronics]
Homepage  http://www.macom.com
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LW025 Datasheet(HTML) 3 Page - Tyco Electronics

 
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Tyco Electronics Corp.
3
Advance Data Sheet
March 1999
36 Vdc to 75 Vdc Inputs; 25 W
LW025 Single-Output-Series Power Modules:
Electrical Specifications (continued)
Table 2. Output Specifications
Table 3. Isolation Specifications
General Specifications
Parameter
Device
Symbol
Min
Typ
Max
Unit
Output Voltage Set Point
(VI = 48 V; IO = IO, max; TC = 25 °C)
LW025F
LW025A
VO, set
VO, set
3.25
4.92
3.3
5.0
3.35
5.08
Vdc
Vdc
Output Voltage
(Over all line, load, and temperature conditions
until end of life; see Figure 12.)
LW025F
LW025A
VO
VO
3.17
4.85
3.43
5.15
Vdc
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
All
All
0.01
0.05
0.5
0.1
0.4
1.0
%VO
%VO
%VO
Output Ripple and Noise (See Figure 11.):
RMS
Peak-to-peak (5 Hz to 20 MHz)
All
All
20
40
100
mVrms
mVp-p
Output Current
(At IO < IO, min, the modules may exceed output
ripple specifications.)
All
IO
0.4
5.0
A
Output Current-limit Inception
(VO = 90% x VO, set; see Figures 3 and 4.)
All
IO
103
150
%IO, max
Output Short-circuit Current (VO = 250 mV)
All
IO
—135
200
%IO, max
Efficiency
(VI = VI, nom; IO = IO, max; TC = 25 °C; see Figures 5,
6, and 12.)
LW025F
LW025A
η
η
75
77
77
79
%
%
Switching Frequency
All
256
kHz
Dynamic Response
(ýIO/ýt = 1 A/10 µs, 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
All
All
All
1
0.5
1
0.5
%VO, set
ms
%VO, set
ms
Parameter
Min
Typ
Max
Unit
Isolation Capacitance
0.002
µF
Isolation Resistance
10
Parameter
Min
Typ
Max
Unit
Calculated MTBF (IO = 80% of IO, max; TC = 40 °C)
5,500,000
hours
Weight
54 (1.9)
g (oz.)


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