Performance Curves
Non-Isolated
SIP Converter
16
14
12
10
3.0 - 3.6Vin 15A
I
out
(A)
8
6
4
2
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)
50 LFM (0.25 m/s)
25
40
55
70
85
Ambient Air Temperature (
o
C)
Semiconductor junction temperature is
within 1°C of surface temperature
Figure 7:
Maximum output power derating curves vs. ambient air tem-
perature for
1.2Vout
unit. Airflow rates of 50 LFM - 400 LFM with air
flowing across the converter from pin 11 to pin 1 (Vin nom, vert mount).
16
14
12
10
Figure 8:
Thermal plot of
1.2V
converter at 15 amp load current with
55
°
C air flowing at the rate of 200 LFM. Air is flowing across the con-
verter sideways from pin 11 to pin 1 (Vin nom, vert mount).
I
out
(A)
8
6
4
2
0
0
25
40
55
70
85
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)
Ambient Air Temperature (
o
C)
Semiconductor junction temperature is
within 1°C of surface temperature
Figure 9:
Maximum output power derating curves vs. ambient air tem-
perature for
1.5Vout
unit. Airflow rates of 50 LFM - 400 LFM with air
flowing across the converter from pin 11 to pin 1 (Vin nom, vert mount).
16
14
12
10
Figure 10:
Thermal plot of
1.5V
converter at 15 amp load current with
55
°
C air flowing at the rate of 200 LFM. Air is flowing across the con-
verter sideways from pin 11 to pin 1 (Vin nom, vert mount).
I
out
(A)
8
6
4
2
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)
50 LFM (0.25 m/s)
25
40
55
o
70
85
Ambient Air Temperature ( C)
Semiconductor junction temperature is
within 1°C of surface temperature
Figure 11:
Maximum output power derating curves vs. ambient air tem-
perature for
1.8Vout
unit. Airflow rates of 50 LFM - 400 LFM with air
flowing across the converter from pin 11 to pin 1 (Vin nom, vert mount).
Product # NQ03xxxVMA15
Phone 1-888-567-9596
Figure 12:
Thermal plot of
1.8V
converter at 15 amp load current with
55
°
C air flowing at the rate of 200 LFM. Air is flowing across the con-
verter sideways from pin 11 to pin 1 (Vin nom, vert mount).
Doc.# 005-2NV3xxE Rev. E
6/24/04
Page 8
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