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
o
70
85
Ambient Air Temperature ( C)
Semiconductor junction temperature is
within 1°C of surface temperature
Figure 13:
Maximum output power derating curves vs. ambient air tem-
perature for
2.5Vout
unit. Airflow rates of 50 LFM - 400 LFM with air
flowing across the converter from pin 11 to pin 1 (Vin nom, vert mount).
Figure 14:
Thermal plot of
2.5V
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).
Figure 15:
Output voltage response for
0.9V unit
to step-change in load
current (50-75-50% of Iout max; di/dt=0.1A/µs). Load cap: 10µF, 100mΩ
ESR tantalum and 1µF ceramic. Ch 1: Vout (50mV/div), Ch 2: Iout (5A/div).
Figure 16:
Output voltage response for
2.5V unit
to step-change in load
current (50-75-50% of Iout max; di/dt=0.1A/µs). Load cap: 10µF, 100mΩ
ESR tantalum and 1µF ceramic. Ch 1: Vout (50mV/div), Ch 2: Iout (5A/div).
Figure 17:
Output voltage response for
0.9V unit
to step-change in load
current (50-75-50% of Iout max; di/dt=5A/µs). Load cap: 470µF, 25mΩ
ESR tantalum and 1µF ceramic. Ch 1: Vout (50mV/div), Ch 2: Iout (5A/div).
Product # NQ03xxxVMA15
Phone 1-888-567-9596
Figure 18:
Output voltage response for
2.5V unit
to step-change in load
current (50-75-50% of Iout max; di/dt=5A/µs). Load cap: 470µF, 25mΩ
ESR tantalum and 1µF ceramic. Ch 1: Vout (50mV/div), Ch 2: Iout (5A/div).
Doc.# 005-2NV3xxE Rev. E
6/24/04
Page 9
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