NQ40X40QGC30 Datasheet, PDF (6/9 Pages) SynQor Worldwide Headquarters – Quarter-brick DC-DC Converter

Technical Specification
Input: 9 - 40 V
Outputs: 0 - 40 V
Current: 30 A
Package: Quarter-brick
34 Vout
18 Vout
12 Vout
34 Vout
18 Vout
12 Vout
on/off
Figure 7: Turn-on transient with 24 V input; full load (20 ms/div).
Ch 1: ON/OFF input (5 V/div)
Ch 2-4: Vout (10 V/div)
2.00
1.50
1.00
0.50
0.00
0
5
10
15
20
25
30
Load (A)
Figure 9: Imon pin voltage vs. load current at 24 V input and 13.8 V
output. Load capacitance: 100µF electrolytic cap. C option only.
on/off
Figure 8: Turn-on transient with 24 V input; zero load (20 ms/div).
Ch 1: ON/OFF input (5 V/div)
Ch 2-4: Vout (10 V/div)
3.0
2.5
2.0
1.5
1.0
0.5
0.0
0
10
20
30
40
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 # NQ40x40QGC30
Phone [phone]
www.synqor.com
Doc.# 005-NQ4040W Rev. B 03/09/09
Page 6