Delta Electronics Delphi Series E24SR - Manual (Page 6)

DS_E24SR05012_01032008 6
ELECTRICAL CHARACTERISTICS CURVES
Strip Copper
Vo(-)
Vo(+)
10u 1u
SCOPE RESISTIVE
LOAD
Figure 12: Input reflected ripple current, i
s
, 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
0.0
2.0
4.0
6.0
2 4 6 8 10 12 14 1
Loadt Current (A)
O
ut
pu
t V
ol
tag
e(
V
)
6
Figure 14: Output voltage ripple at nominal input voltage and
rated load current (Io=12A)(20 mV/div, 2us/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
Figure 15: Output voltage vs. load current showing typical
current limit curves and converter shutdown points