MCD10170 Rev. 1.0, 10-Jun-10
Page 11 of 15
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ASQ48T15033 & ASQ48S15033 DC-DC Converter Data Sheet
36 to 75 VDC Input; 15A, 3.3 VDC Output
Ambient Temperature [°C]
20
30
40
50
60
70
80
90
L
o
ad
C
u
rr
ent
[
A
dc]
0
5
10
15
20
500 LFM (2.5 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)
30 LFM (0.15 m/s)
Fig. 9: Available load current vs. ambient air temperature and
airflow rates for ASQ48T15033 converter with D height pins
mounted vertically with Vin = 48 V, air flowing from pin 3 to pin
1 and maximum FET temperature
120C.
Ambient Temperature [°C]
20
30
40
50
60
70
80
90
L
o
ad
C
u
rr
ent
[
A
dc]
0
5
10
15
20
500 LFM (2.5 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)
30 LFM (0.15 m/s)
Fig. 11: Available load current vs. ambient temperature and
airflow rates for ASQ48S15033 converter mounted vertically
with Vin = 48 V, air flowing from pin 3 to pin 1 and maximum
FET temperature
120C.
Ambient Temperature [°C]
20
30
40
50
60
70
80
90
L
o
ad
C
u
rr
ent
[
A
dc]
0
5
10
15
20
500 LFM (2.5 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)
30 LFM (0.15 m/s)
Fig. 10: Available load current vs. ambient air temperature and
airflow rates for ASQ48T15033 converter with D height pins
mounted horizontally with Vin = 48 V, air flowing from pin 3 to
pin 1 and maximum FET temperature
120C.
Ambient Temperature [°C]
20
30
40
50
60
70
80
90
L
o
ad
C
u
rr
ent
[
A
dc]
0
5
10
15
20
500 LFM (2.5 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)
30 LFM (0.15 m/s)
Fig. 12: Available load current vs. ambient temperature and
airflow rates for ASQ48S15033 converter mounted horizontally
with Vin = 48 V, air flowing from pin 3 to pin 1 and maximum
FET temperature
120C.