pq30033qga25 SynQor Worldwide Headquarters, pq30033qga25 Datasheet - Page 6

• Manufacturer Part Number: pq30033qga25
• Description: Quarter-brick Dc/dc Converter
• Manufacturer: SynQor Worldwide Headquarters

Product # PQ30033QGA25
T
T
echnical S
echnical S
Figure 7: Maximum output power derating curves vs. ambient air tem-
perature for airflow rates of 100 LFM through 400 LFM with air flow-
ing across the converter from pin 3 to pin 1 (48V input).
Figure 9: Maximum output power derating curves vs. ambient air tem-
perature for airflow rates of 100 LFM through 400 LFM with air flow-
ing across the converter from input to output (24V input).
Figure 11: Maximum output power derating curves vs. ambient air tem-
perature for airflow rates of 100 LFM through 400 LFM with air flow-
ing across the converter from input to output (48V input).
25
20
15
10
25
20
15
10
25
20
15
10
5
0
5
0
5
0
0
0
0
400 LFM (2.0 m/s)
300 LFM (1.5 m/s)
200 LFM (1.0 m/s)
100 LFM (0.5 m/s)
400 LFM (2.0 m/s)
300 LFM (1.5 m/s)
200 LFM (1.0 m/s)
100 LFM (0.5 m/s)
400 LFM (2.0 m/s)
300 LFM (1.5 m/s)
200 LFM (1.0 m/s)
100 LFM (0.5 m/s)
25
25
25
Ambient Air Temperature (
Ambient Air Temperature (
Ambient Air Temperature (
pecification
pecification
40
40
40
Phone [phone]
55
55
55
o
o
o
C)
C)
C)
70
70
70
www.synqor.com
85
85
85
Figure 8: Thermal plot of converter at 25 amp load current with 55
air flowing at the rate of 200 LFM. Air is flowing across the converter
sideways from pin 3 to pin 1 (48V input).
Figure 10: Thermal plot of converter at 25 amp load current with 55
air flowing at the rate of 200 LFM. Air is flowing across the converter
sideways from input to output (24V input).
Figure 12: Thermal plot of converter at 25 amp load current with 55
air flowing at the rate of 200 LFM. Air is flowing across the converter
sideways from input to output (48V input).
Doc.# 005-2QG33LU Rev. B
P
P
Current:
Current:
ackage:
ackage:
Output:
Output:
Semiconductor junction temperature is
Semiconductor junction temperature is
Semiconductor junction temperature is
within 1 ° C of surface temperature
within 1 ° C of surface temperature
Input:
Input:
within 1 ° C of surface temperature
4/28/05
18-60 V
3.3 V
25 A
Quarter-brick
18-60 V
3.3 V
25 A
Quarter-brick
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Page 6
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°
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