Delta Electronics Delphi S48SP Datasheet page 6

ELECTRICAL CHARACTERISTICS CURVES
0
Figure 11: Input Terminal Ripple Current, i
current and nominal input voltage with 12µH source impedance
and 33µF electrolytic capacitor (100mA/div, 1us/div)
Copper
Vo(+)
10u
Vo(-)
Figure 13: Output voltage noise and ripple measurement test
setup
0
Figure 14: Output voltage ripple at nominal input voltage and
rated load current (Io=7A)(20 mV/div, 1us/div)
Load capacitance: 1µF ceramic capacitor and 10µF tantalum
capacitor. Bandwidth: 20 MHz. Scope measurements should be
made using a BNC cable (length shorter than 20 inches).
Position the load between 51 mm to 76 mm (2 inches to 3
inches) from the module
DS_S48SP05007_05222008
, at full rated output
c
Strip
SCOPE RESISTIVE
1u
LOAD
0
Figure 12: Input reflected ripple current, i
source inductor at nominal input voltage and rated load current
(20 mA/div, 1us/div)
Figure 15: Output voltage vs. load current showing typical
current limit curves and converter shutdown points
, through a 12µH
s
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