PQ60025EKX20 Datasheet, PDF (7/15 Pages) SynQor Worldwide Headquarters – Eighth-brick DC-DC Converter

Technical Specification
Input: 35-75V
Output: 2.5V
Current: 20A
Part No.: PQ60025EKx20
100
95
90
85
80
75
70
35 Vin
48 Vin
65
75 Vin
60
0
5
10
15
20
Load Current (A)
Figure 1: Efficiency at nominal output voltage vs. load current for
minimum, nominal, and maximum input voltage at 25°C.
14
12
10
8
6
4
35 Vin
2
48 Vin
75 Vin
0
0
5
10
15
20
Load Current (A)
Figure 3: Power dissipation at nominal output voltage vs. load current for
minimum, nominal, and maximum input voltage at 25°C.
25
91
90
89
88
87
86
85
25º C
40º C
84
55º C
83
100
200
300
400
Air Flow (LFM)
Figure 2: 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).
8
7
6
5
4
3
25º C
2
40º C
55º C
1
100
200
300
400
Air Flow (LFM)
Figure 4: Power dissipation 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).
20
15
10
400 LFM (2.0 m/s)
300 LFM (1.5 m/s)
5
200 LFM (1.0 m/s)
100 LFM (0.5 m/s)
0
25
40
55
70
85
Ambient Air Temperature (ºC)
Figure 5: Maximum output power-derating curve vs. ambient air
temperature for airflow rates of 100 LFM through 400 LFM with air
flowing from pin 3 to pin 1 (nominal input voltage).
Figure 6: Thermal plot of converter at 17.5 A load current (43.75 W)
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 # PQ60025EKx20
Phone [phone]
www.synqor.com
Doc.# 005-0005112 Rev. C
06/12/09
Page 7