LW025F8 Lineage Power, LW025F8 Datasheet - Page 7

• Manufacturer Part Number: LW025F8
• Description: CONVERTER DC/DC 3.3V 16.5W OUT
• Manufacturer: Lineage Power
• Series: LW025r
• Type: Isolated with Remote On/Offr

Specifications of LW025F8

• Output: 3.3V
• Number Of Outputs: 1
• Power (watts): 25W
• Mounting Type: Through Hole
• Voltage - Input: 36 ~ 75V
• Package / Case: 8-DIP Module
• 1st Output: 3.3 VDC @ 5A
• Size / Dimension: 2.00" L x 2.00" W x 0.39" H (50.8mm x 50.8mm x 9.9mm)
• Power (watts) - Rated: 16.5W
• Operating Temperature: -40°C ~ 110°C
• Efficiency: 77%
• Approvals: CE, CSA, UL, VDE
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• 3rd Output: -
• 2nd Output: -
• 4th Output: -

April 2008
Characteristics Curves
Figure 9. LW025A, F Typical Output Voltage Start-
Lineage Power
5V
0
0
Up when Signal Is Applied to Remote
On/Off
TIME, t (1 ms/div)
(continued)
8-1263(C).e
Test Configurations
Figure 11. Peak-to-Peak Output Noise
Figure 12. Output Voltage and Efficiency
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
CONTACT RESISTANCE
BATTERY
SUPPLY
Figure 10. Input Reflected-Ripple Test Setup
V
V
O
O
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.
η
TO OSCILLOSCOPE
=
Measurement Test Setup
Measurement Test Setup
⎛
⎝
I
I
[
----------------------------------------------- -
V
[
COPPER STRIP
36 Vdc to 75 Vdc Inputs; 25 W
O
V
C
IMPEDANCE < 0.1 Ω
@ 20 ˚C, 100 kHz
(+) V
I
(+)
S
220 µF
V
V
–
I
I
–
(+)
(-)
0.1 µF
12 µH
V
O
L
I
(–)
TEST
(–)
V
V
O
O
]I
(+)
(-)
]I
I
O
⎞
⎠
SCOPE
×
DISTRIBUTION LOSSES
33 µF
100
I
CURRENT
O
CONTACT AND
PROBE
RESISTIVE
LOAD
%
LOAD
V
V
I
I
8-203(C)
8-513(C)
8-204(C)
(+)
(-)
7