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Product # PQ60015QPA60
Phone 1-888-567-9596
Doc.# 005-2QP651F Rev. B
01/23/08
Page 6
T
Technical S
echnical Specification
pecification
Input:
Output:
Current:
PPackage:
ackage:
35-75 V
1.5 V
60 A
Quarter-brick
0
5
10
15
20
25
30
35
40
45
50
55
60
0
25
40
55
70
85
Ambient Air Temperature (
oC)
Iout
(A)
400 LFM (2.0 m/s)
300 LFM (1.5 m/s)
200 LFM (1.0 m/s)
100 LFM (0.5 m/s)
50 LFM (0.25 m/s)
Figure 7: 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).
Figure 8: Thermal plot of converter at 55 amp load with 55°C air flow-
ing from pin 3 to pin 1 at the rate of 200 LFM with nominal Vin and 2
output pins. Test board is 4oz., 6 layer. Converter PCB is 6oz., 12 layer.
0
5
10
15
20
25
30
35
40
45
50
55
60
0
25
40
55
70
85
Ambient Air Temperature (
oC)
Iout
(A)
400 LFM (2.0 m/s)
300 LFM (1.5 m/s)
200 LFM (1.0 m/s)
100 LFM (0.5 m/s)
50 LFM (0.25 m/s)
Figure 9: Maximum output power derating curves vs. ambient air tem-
perature for airflow rates of 50 LFM through 400 LFM with air flowing
from output to input (nominal input voltage and 4 output pins).
Figure 10: Thermal plot of converter at 60 amp load with 55°C air flow-
ing from output to input at the rate of 200 LFM with nominal Vin and 4
output pins. Test board is 4oz., 6 layer. Converter PCB is 6oz., 12 layer.
0
5
10
15
20
25
30
35
40
45
50
55
60
025
40
55
70
85
Ambient Air Temperature (
oC)
Iout
(A)
400 LFM (2.0 m/s)
300 LFM (1.5 m/s)
200 LFM (1.0 m/s)
100 LFM (0.5 m/s)
50 LFM (0.25 m/s)
Figure 11: 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 4 output pins).
Figure 12: Thermal plot of converter at 60 amp load with 55°C air flow-
ing from pin 3 to pin 1 at the rate of 200 LFM with nominal Vin and 4
output pins. Test board is 4oz., 6 layer. Converter PCB is 6oz., 12 layer.