108981549 Lineage Power, 108981549 Datasheet - Page 11

• Manufacturer Part Number: 108981549
• Description: Module DC-DC 1-OUT 5V 3A 6-Pin
• Manufacturer: Lineage Power
• Type: Step Downr

Specifications of 108981549

• Output Current: 3 A
• Output Voltage: 5 V
• Input Voltage: 48 V
• Number Of Outputs: 1
• Switching Regulator: Yes

Data Sheet
October 5, 2009
Characteristic Curves
The following figures provide typical characteristics for the SC003A0A91 (5.0V, 3A) at 25ºC. The figures are identical
for either positive or negative Remote On/Off logic.
Figure 31. Converter Efficiency Vs Load.
Figure 32. Derating Output Current versus Local
Ambient Temperature and Airflow.
Figure 33. Typical Output Ripple and Noise, V
nom
LINEAGE
I
O
8 8
8 6
8 4
8 2
8 0
78
76
74
72
70
=80% of I
3 .0
2 .0
0 .0
3 .5
2 .5
0 .5
1.0
1.5
0
0
POWER
10
0 .5
AMBIENT TEMPERATURE, T
O, max.
3 .0 m/ s (6 0 0 f t ./ min.)
2 .0 m/ s (4 0 0 f t ./ min.)
1.0 m/ s (2 0 0 f t ./ min.)
2 0
Nat ural Co nvect io n
OUTPUT CURRENT, I
3 0
TIME, t (1μs/div)
1
4 0
18-36Vdc & 36-75Vdc Input; 3.3-15Vdc Output; 1-3.5A Output Current
50
1.5
(continued)
6 0
70
2
o
(A)
8 0
A
O
C
9 0
V
V
V
2 .5
I
I
I
= 18 V
= 3 6 V
= 2 7V
IN
10 0
=V
IN,
110
3
Figure 34. Typical Start-Up Using Remote On/Off,
negative logic version shown.
Figure 35. Transient Response to Dynamic Load
Change from 50% to 75% to 50% of full load.
Figure 36. Typical Start-Up Output Voltage Rise
Characteristic.
SW/SC001/003 Series DC-DC Power Module:
TIME, t (1.0ms/div)
TIME, t (100μs/div)
TIME, t (5ms/div)
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