参数资料
型号: LW025F1
厂商: LINEAGE POWER LLC
元件分类: 电源模块
英文描述: 1-OUTPUT 16.5 W DC-DC REG PWR SUPPLY MODULE
封装: MODULE-8
文件页数: 14/16页
文件大小: 417K
代理商: LW025F1
Lineage Power
7
Advance Data Sheet
April 2008
36 Vdc to 75 Vdc Inputs; 25 W
LW025 Single-Output-Series Power Modules:
Characteristics Curves (continued)
8-1263(C).e
Figure 9. LW025A, F Typical Output Voltage Start-
Up when Signal Is Applied to Remote
On/Off
TIME, t (1 ms/div)
NORMALIZED
OUTPUT
V
OL
T
A
GE,
V
O
0
5V
0
REMO
TE
ON/OFF
,
V
on/off
(V)
(2
V/div)
Test Configurations
8-203(C)
Note: Input reflected-ripple current is measured with a simulated
source impedance of 12 H. Capacitor Cs offsets possible
battery impedance. Current is measured at the input of the
module.
Figure 10. Input Reflected-Ripple Test Setup
8-513(C)
Note: Use a 0.1 F ceramic capacitor. Scope measurement should
be made using a BNC socket. Position the load between
50 mm and 75 mm (2 in. and 3 in.) from the module.
Figure 11. Peak-to-Peak Output Noise
Measurement Test Setup
8-204(C)
Note: All measurements are taken at the module terminals. When
socketing, place Kelvin connections at module terminals to
avoid measurement errors due to socket contact resistance.
Figure 12. Output Voltage and Efficiency
Measurement Test Setup
TO OSCILLOSCOPE
12 H
CS 220 F
IMPEDANCE < 0.1
Ω
@ 20 C, 100 kHz
VI(+)
VI(-)
BATTERY
33 F
CURRENT
PROBE
LTEST
V O (+)
V O (-)
0.1 F
RESISTIVE
LOAD
SCOPE
COPPER STRIP
VI(+)
VI(-)
VO(+)
VO(-)
II
IO
SUPPLY
CONTACT RESISTANCE
CONTACT AND
DISTRIBUTION LOSSES
LOAD
η
VO(+) VO(–)
[]IO
VI(+) VI(–)
[]II
------------------------------------------------
100
×
=
%
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