PQ60025QPA60 Datasheet, PDF (5/14 Pages) SynQor Worldwide Headquarters – Quarter-brick DC/DC Converter

Technical Specification
Input: 35-75 V
Output: 2.5 V
Current: 60 A
Package: Quarter-brick
95
90
85
80
75
70
65
0
35 Vin
48 Vin
75 Vin
5 10 15 20 25 30 35 40 45 50 55 60
Load Current (A)
Figure 1: Efficiency at nominal output voltage vs. load current for min-
imum, nominal, and maximum input voltage at 25°C (2 output pins).
22
20
18
16
14
12
10
8
6
35 Vin
4
48 Vin
2
75 Vin
0
0 5 10 15 20 25 30 35 40 45 50 55 60
Load Current (A)
Figure 3: Power dissipation at nominal output voltage vs. load current
for minimum, nominal, and maximum input voltage at 25°C (2 output
pins).
94
93
92
91
90
89
88
87
86
0
25 C
40 C
55 C
100
200
300
400
500
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 and 2 output pins).
12
11
10
9
8
7
25 C
40 C
55 C
6
0
100
200
300
400
500
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 and 2 output pins).
60
55
50
45
40
35
30
25
20
400 LFM (2.0 m/s)
15
300 LFM (1.5 m/s)
10
200 LFM (1.0 m/s)
100 LFM (0.5 m/s)
5
50 LFM (0.25 m/s)
0
0
25
40
55
70
85
Ambient Air Temperature (^oC)
Figure 5: Maximum output power derating curves vs. ambient air tem-
perature for airflow rates of 50 LFM through 400 LFM with air flowing
from pin 3 to pin 1 (nominal input voltage and 2 output pins).
Semiconductor junction temperature is
within 1°C of surface temperature
Figure 6: Thermal plot of converter at 51 amp load current 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 and 2 output pins).
Product # PQ60025QPA60
Phone [phone]
www.synqor.com
Doc.# 005-2QP625F Rev. A 12/10/04
Page 5