SQ60120QPA28PN2 Ver la hoja de datos (PDF) - SynQor Worldwide Headquarters
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Fabricante
SQ60120QPA28PN2 Datasheet PDF : 12 Pages
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Technical Specification
Input: 36-75 V
Output: 12 V
Current: 28 A
Package: Quarter-brick
100
95
90
85
80
36 Vin
75
48 Vin
75 Vin
70
0
4
8
12
16
20
24
28
Load Current (A)
Figure 1: Efficiency at nominal output voltage vs. load current for
minimum, nominal, and maximum input voltage at 25°C.
30
25
20
15
10
36 Vin
5
48 Vin
75 Vin
0
0
4
8
12
16
20
24
28
Load Current (A)
Figure 2: Power dissipation at nominal output voltage vs. load current
for minimum, nominal, and maximum input voltage at 25°C.
97
96
95
94
93
25 ºC
92
40 ºC
55 ºC
91
100
200
300
400
Air Flow (LFM)
Figure 3: Efficiency at nominal output voltage and 60% rated power
vs. airflow rate for ambient air temperatures of 25°C, 40°C, and 55°C
(nominal input voltage).
14
13
12
11
10
9
36V
8
48V
75V
7
0
4
8
12
16
20
24
28
Load Current (A)
Figure 4: Output voltage regulation vs. load current for minimum,
nominal, and maximum input voltage at 25°C.
30
25
20
15
10
400 LFM (2.0 m/s)
5
300 LFM (1.5 m/s)
200 LFM (1.0 m/s)
100 LFM (0.5 m/s)
0
25
40
55
70
85
Ambient Air Temperature (°C)
Figure 5: Maximum output power derating curves vs. ambient air tem-
perature for airflow rates of 0 LFM through 400 LFM with air flowing
from pin 3 to pin 1 (nominal input voltage).
Semiconductor junction temperature is
within 1°C of surface temperature
Figure 6: Thermal plot of converter at 23.3 amp load current (279.6W)
with 55°C air flowing at the rate of 200 LFM. Air is flowing across the
converter from pin 3 to pin 1 (nominal input voltage).
Product # SQ60120QPA28
Phone 1-888-567-9596
www.synqor.com
Doc.# 005-2SQ612J Rev. B
06/17/09
Page 5
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