SW001A2B91-SR Lineage Power, SW001A2B91-SR Datasheet - Page 12

• Manufacturer Part Number: SW001A2B91-SR
• Description: DC/DC Converters & Regulators SMT 1.2A, IN 48V OUT 12V, NEGATIVE
• Manufacturer: Lineage Power
• Type: Step Downr

Specifications of SW001A2B91-SR

• Output Current: 1.2A
• Input Voltage: 48V
• Output Voltage: 12V
• Screening Level: Industrial
• Product Length (mm): 24.4mm
• Product Depth (mm): 27.9mm
• Mounting Style: Surface Mount
• Pin Count: 6
• Number Of Outputs: 1
• Package / Case: SMT
• Lead Free Status / RoHS Status: Not Compliant

Data Sheet
October 5, 2009
Characteristic Curves
The following figures provide typical characteristics for the SC003A5F91 (3.3V, 3.5A) at 25ºC. The figures are
identical for either positive or negative Remote On/Off logic.
Figure 37. Converter Efficiency Vs Load.
Figure 38. Derating Output Current versus Local
Ambient Temperature and Airflow.
Figure 39. 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
4 .0
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
1
TIME, t (2μs/div)
4 0
18-36Vdc & 36-75Vdc Input; 3.3-15Vdc Output; 1-3.5A Output Current
1.5
50
(continued)
6 0
2
70
o
(A)
2 .5
8 0
A
O
C
9 0
V
V
V
I
I
I
= 18 V
= 3 6 V
3
= 2 7V
IN
10 0
=V
IN,
3 .5
110
Figure 40. Typical Start-Up Using Remote On/Off,
negative logic version shown.
Figure 41. Transient Response to Dynamic Load
Change from 50% to 75% to 50% of full load.
Figure 42. Typical Start-Up Output Voltage Rise
Characteristic.
SW/SC001/003 Series DC-DC Power Module:
TIME, t (1.0ms/div)
TIME, t (50μs/div)
TIME, t (5ms/div)
12