Q48SQ12033NRFH Datasheet, PDF (6/13 Pages) Delta Electronics, Inc. – Delphi Series Q48SQ, Quarter Brick Family DC/DC Power Modules 36~75V in, 12V/33A out, 400W

ELECTRICAL CHARACTERISTICS CURVES
Copper Strip
Vo(+)
10u
1u
SCOPE
RESISTIVE
LOAD
Vo(-)
Figure 12: Input reflected ripple current, is, through a 12µH
source inductor at nominal input voltage and rated load current
(20 mA/div，2us/div).
Figure 13: Output voltage noise and ripple measurement test
setup.
13.0
12.0
11.0
10.0
9.0
8.0
7.0
6.0
5.0
4.0
3.0
2.0
1.0
0.0
4
8 12 16 20 24 28 32 36 40 44
OUTPUT CURRENT(A)
Figure 14: Output voltage ripple at nominal input voltage and
rated load current (Io=33A)(30 mV/div, 2us/div)
Load capacitance: 1µF ceramic capacitor and 10µF tantalum
capacitor. Bandwidth: 20 MHz.
Figure 15: Output voltage vs. load current at nominal input
voltage showing typical current limit curves and converter
shutdown points.
6
DS_Q48SQ12033_09272013