LW020G Lineage Power, LW020G Datasheet - Page 8

• Manufacturer Part Number: LW020G
• Manufacturer: Lineage Power

36 Vdc to 75 Vdc Inputs; 20 W
Characteristics Curves
Figure 9. LW020A, B, C, F, and G Typical Output
Figure 10. LW020A, B, C, F, and G Typical Output
8 8
V
V
I
I
101%
100%
O
O
O
O
V
V
50%
25%
, nom
, nom
, max
, max
O
100%
O
50%
, nom
, nom
Voltage for a Step Load Change from 50%
to 25%
5V
Voltage Start-Up when Signal Applied to
Remote On/Off
0
0
TIME, t (100 µs/div)
TIME, t (1 ms/div)
(continued)
8-1261(C).b
8-1263(C).b
Test Configurations
Figure 12. Peak-to-Peak Output Noise
Figure 13. Output Voltage and Efficiency
CONTACT RESISTANCE
Note: Input reflected-ripple current is measured with a simulated
Note: Use a 0.1 µF ceramic capacitor. Scope measurement should
Note: All measurements are taken at the module terminals. When
BATTERY
SUPPLY
Figure 11. Input Reflected-Ripple Test Setup
V
V
source impedance of 12 µH. Capacitor Cs offsets possible
battery impedance. Current is measured at the input of the
module.
be made using a BNC socket. Position the load between
50 mm and 75 mm (2 in. and 3 in.) from the module.
socketing, place Kelvin connections at module terminals to
avoid measurement errors due to socket contact resistance.
O
O
(+)
(-)
η
TO OSCILLOSCOPE
=
Measurement Test Setup
Measurement Test Setup
⎛
⎝
I
I
[
----------------------------------------------- -
V
[
O
V
COPPER STRIP
C
IMPEDANCE < 0.1 Ω
@ 20 ˚C, 100 kHz
(+) V
I
S
(+)
220 µF
V
V
–
–
I
I
12 µH
(+)
(-)
0.1 µF
V
L
O
I
TEST
(–)
(–)
V
V
]I
O
O
]I
(+)
(-)
I
O
⎞
⎠
SCOPE
×
33 µF
100
DISTRIBUTION LOSSES
CURRENT
PROBE
I
O
CONTACT AND
Lineage Power
April 2008
RESISTIVE
LOAD
%
V
V
LOAD
I
I
(+)
(-)
8-203(C)
8-513(C)
8-204(C)