Technical Specification
16
14
12
10
Input:
Output:
Current:
Package:
35-75 V
3.3 V
15 A
Eighth-brick
I
out
(A)
8
6
400 LFM (2.0 m/s)
4
2
0
0
300 LFM (1.5 m/s)
200 LFM (1.0 m/s)
100 LFM (0.5 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 airflow rates of 0 LFM through 400 LFM with air flowing
from input to output (nominal input voltage).
Figure 8:
Thermal plot of converter at 15 amp load current with 55
°
C
air flowing at the rate of 200 LFM. Air is flowing across the converter
from input to output (nominal input voltage).
Figure 9:
Turn-on transient at full load (resistive load) (5 ms/div).
Input voltage pre-applied. Ch 1: Vout (1V/div). Ch 2: ON/OFF input
(5V/div)
Figure 10:
Turn-on transient at zero load (5 ms/div).
Ch 1: Vout (1V/div)
Ch 2: ON/OFF input (5V/div)
Figure 11
:
Output voltage response to step-change in load current (50%-75%-50%
of Iout(max); dI/dt = 0.1A/µ s). Load cap: 10µ F, 100 m
W
ESR tantalum capacitor
and 1µ F ceramic capacitor. Ch 1: Vout (100mV/div), Ch 2: Iout (5A/div).
Product # PQ60033EML15
Phone 1-888-567-9596
Figure 12
:
Output voltage response to step-change in load current (50%-75%-
50% of Iout(max): dI/dt = 5A/µ s). Load cap: 470µ F, 30 m
W
ESR tantalum
capacitor and 1µ F ceramic cap. Ch 1: Vout (100mV/div), Ch 2: Iout (5A/div).
Doc.# 005-2EM633E Rev. D
7/17/07
Page 6
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