Input:
Output:
Current:
Package:
35-75 V
5.0 V
15 A
Eighth-brick
Technical Specification
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
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)
Semiconductor junction temperature is
within 1 C of surface temperature
0
25
40
55
70
85
°
Ambient Air Temperature (oC)
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 output to input (nominal input voltage).
Figure 8: Thermal plot of converter at 11 amp load current (56W) with
55°C air flowing at the rate of 200 LFM. Air is flowing across the con-
verter from output to input (nominal input voltage).
Figure 9: Turn-on transient at full load (resistive load) (10 ms/div).
Input voltage pre-applied. Ch 1: Vout (2V/div). Ch 2: ON/OFF input
(5V/div)
Figure 10: Turn-on transient at zero load (10 ms/div). Ch 1: Vout
(2V/div). Ch 2: ON/OFF input (5V/div).
Figure 11: Output voltage response to step-change in load current (50%-
Figure 12: Output voltage response to step-change in load current (50%-
75%-50% of Iout(max); dI/dt = 0.1A/
µ
s). Load cap: 10
µ
F, 100 m
Ω
ESR tan-
75%-50% of Iout(max): dI/dt = 5A/µs). Load cap: 470µF, 30 mΩ ESR tanta-
talum cap and 1µF ceramic cap. Ch 1: Vout (100mV/div), Ch 2: Iout (5A/div).
lum cap and 1
µF ceramic cap. Ch 1: Vout (100mV/div), Ch 2: Iout (5A/div).
Product # PQ60050EGL15
Phone 1-888-567-9596 www.synqor.com
Doc.# 005-2EG650D Rev. C
11/8/04 Page 6
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