PQ60033ETL30 Datasheet, PDF (5/13 Pages) SynQor Worldwide Headquarters – Eighth-brick DC/DC Converter

Technical Specification
Input: 35-75 V
Output: 3.3 V
Current: 30 A
Package: Eighth-brick
95
90
85
80
75
70
65
0
35 Vin
48 Vin
75 Vin
5
10
15
20
25
30
Load Current (A)
Figure 1: Efficiency at nominal output voltage vs. load current for min-
imum, nominal, and maximum input voltage at 25°C.
12
10
8
93
92
91
90
89
25 C
88
40 C
55 C
87
100
200
300
400
Airflow (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).
7
6
6
4
35 Vin
2
48 Vin
75 Vin
0
0
3
6
9
12 15 18 21 24 27 30
Load Current (A)
Figure 3: Power dissipation at nominal output voltage vs. load current
for minimum, nominal, and maximum input voltage at 25°C.
5
4
25 C
40 C
55 C
3
100
200
300
400
Airflow (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).
30
25
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 curves vs. ambient air tem-
perature for airflow rates of 100 LFM through 400 LFM with air flow-
ing from pin 3 to pin 1(nominal input voltage).
Figure 6: Thermal plot of converter at 28.5 amp load current (94.05W)
with 70°C air flowing at the rate of 200 LFM. Air is flowing across the
converter from 3 to pin 1 (nominal input voltage).
Product # PQ60033ETL30
Phone [phone]
www.synqor.com
Doc.# 005-2ET633F Rev. A
06/01/06
Page 5