PQ60033EML15 Datasheet, PDF (5/13 Pages) SynQor Worldwide Headquarters – Eighth-brick DC/DC Converter

Technical Specification
Input: 35-75 V
Output: 3.3 V
Current: 15 A
Package: Eighth-brick
95
90
85
80
75
70
65
60
0
35 Vin
48 Vin
75 Vin
3
6
9
12
15
Load Current (A)
Figure 1: Efficiency at nominal output voltage vs. load current for min-
imum, nominal, and maximum input voltage at 25°C.
8
7
6
5
4
3
2
35 Vin
1
48 Vin
75 Vin
0
0
3
6
9
12
15
Load Current (A)
Figure 3: Power dissipation at nominal output voltage vs. load current
for minimum, nominal, and maximum input voltage at 25°C.
92
91
90
89
88
87
86
25 ºC
40 ºC
85
55 ºC
84
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).
5
4
3
2
25 ºC
1
40 ºC
55 ºC
0
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).
16
14
12
10
8
6
400 LFM (2.0 m/s)
4
300 LFM (1.5 m/s)
200 LFM (1.0 m/s)
2
100 LFM (0.5 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 0 LFM through 400 LFM with air flowing
across the converter 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 15 amp load current with 55°C
air flowing at the rate of 200 LFM. Air is flowing across the converter
sideways from pin 3 to pin 1 (nominal input voltage).
Product # PQ60033EML15
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www.synqor.com
Doc.# 005-2EM633E Rev. D
7/17/07
Page 5