108981549 Lineage Power, 108981549 Datasheet - Page 10

• 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 SC001A2B91 (12.0V, 1.2A) at 25ºC. The figures are
identical for either positive or negative Remote On/Off logic.
Figure 25. Converter Efficiency Vs Load.
Figure 26. Derating Output Current versus Local
Ambient Temperature and Airflow.
Figure 27. Typical Output Ripple and Noise, V
nom
LINEAGE
I
O
88
86
84
82
80
78
76
74
72
70
=80% of I
0 .8
0 .6
0 .4
0 .2
0 .0
1.4
1.2
1.0
0.0
0
POWER
10
0.2
AMBIENT TEMPERATURE, T
O, max.
2 0
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.)
Nat ural Co nvect io n
OUTPUT CURRENT, I
3 0
0.4
TIME, t (1μs/div)
4 0
18-36Vdc & 36-75Vdc Input; 3.3-15Vdc Output; 1-3.5A Output Current
50
0.6
(continued)
6 0
70
0.8
o
(A)
8 0
A
O
C
1.0
9 0
V
V
V
I
I
I
= 18V
= 36 V
= 2 7V
IN
10 0
=V
IN,
1.2
110
Figure 28. Typical Start-Up Using Remote On/Off,
negative logic version shown.
Figure 29. Transient Response to Dynamic Load
Change from 50% to 75% to 50% of full load.
Figure 30. 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)
10