PQ60120HZX50 Datasheet, PDF (6/13 Pages) SynQor Worldwide Headquarters – Half-brick DC/DC Converter

Technical Specification
Input: 35-75 V
Output: 12 V
Current: 50 A (600W)
Package: Half-brick
100
98
96
94
92
90
88
86
84
82
80
0
10
20
30
Load Current (A)
35Vin
48Vin
75Vin
40
50
Figure 1: Efficiency at nominal output voltage vs. load current for minimum,
nominal, and maximum input voltage at 25°C.
50
45
40
35
30
25
20
15
10
35Vin
48Vin
5
75Vin
0
0
10
20
30
40
50
Load Current (A)
Figure 2: Power dissipation at nominal output voltage vs. load current for
minimum, nominal, and maximum input voltage at 25°C.
50
45
40
35
30
25
20
15
400 LFM (2.0 m/s)
10
300 LFM (1.5 m/s)
200 LFM (1.0 m/s)
5
100 LFM (0.5 m/s)
0
25
40
55
70
85
Ambient Air Temperature (^oC)
Figure 3: Maximum output power derating curves vs. ambient air temperature
for airflow rates of 100 LFM through 400 LFM with air flowing across the
converter from pin 4 to pin 1 (nominal input voltage).
Figure 4: Thermal plot of converter at 36 A load current (432 W) with 55°C
air flowing at the rate of 200 LFM. Air is flowing across the converter sideways
from pin 4 to pin 1 (nominal input voltage).
50
45
40
35
30
25
20
15
400 LFM (2.0 m/s)
10
300 LFM (1.5 m/s)
200 LFM (1.0 m/s)
5
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 temperature
for airflow rates of 100 LFM through 400 LFM with air flowing lengthwise from
input to output (nominal input voltage).
Figure 6: Thermal plot of converter at 36 A load current (432 W) with 55°C air
flowing at the rate of 200 LFM. Air is flowing across the converter from input to
output (nominal input voltage).
Product # PQ60120HZx50
Phone [phone]
www.synqor.com
Doc.# 005-2HZ612J Rev. D
06/12/09
Page 6