NQ40X40ETC15 Datasheet, PDF (6/9 Pages) SynQor Worldwide Headquarters – Eighth-brick DC-DC Converter

Technical Specification
Input: 9 - 40 V
Outputs: 0 - 40 V
Current: 15 A
Package: Eighth-brick
36 Vout
18 Vout
12 Vout
on/off
Figure 7: Turn-on transient at 24 V input; full load (20 ms/div).
Ch 1: ON/OFF input (5 V/div)
Ch 2-4: Vout (10 V/div)
1.9
1.8
1.7
1.6
1.5
1.4
1.3
1.2
0
3
6
9
12
15
Load (A)
Figure 9: Imon pin voltage vs. load current at 24 V input and 13.8 V out-
put. Load capacitance: 100µF electrolytic cap. C option only.
36 Vout
18 Vout
12 Vout
on/off
Figure 8: Turn-on transient at 24 V input; zero load (20 ms/div).
Ch 1: ON/OFF input (5 V/div)
Ch 2-4: Vout (10 V/div)
2.5
2.0
1.5
1.0
0.5
0.0
0
2
4
6
8
10
12
14
16
18
Current Limit (A)
Figure 10: Current limit vs. Itrim pin voltage with 24 V input and 13.8 V
output. Load capacitance: 100µF electrolytic cap. C option only.
36 Vout
24 Vout
12 Vout
Figure 11: Output voltage response for 24 V input; 12 V, 24 V, 36 V output
to step-change in load current (50-75-50% of Iout max; di/dt=0.1A/µs). Load
cap: 100 µF, 100 mW ESR tant, Ch 1-3: Vout (2 V/div);(5 ms/div).
Product # NQ40x40ETC15
Phone [phone]
www.synqor.com
Doc.# 005-NS4040W Rev. C 03/06/09
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