Electrical characteristics curves – Delta Electronics Q48DC User Manual
Page 6
DS_Q48DC12003_03112008
6
ELECTRICAL CHARACTERISTICS CURVES
Figure 10:
Test set-up diagram showing measurement points
for Input Terminal Ripple Current and Input Reflected Ripple
Current.
Note: Measured input reflected-ripple current with a simulated
source Inductance (L
TEST
) of 12 μH. Capacitor Cs offset
possible battery impedance. Measure current as shown above.
Figure 11:
Input Terminal Ripple Current, ic, at full rated output
current and nominal input voltage with 12
µ
H source impedance
and 33
µ
F electrolytic capacitor (500 mA/div).
Figure 12:
Input reflected ripple current, is, through a 12
µ
H
source inductor at nominal input voltage and rated load current
(20 mA/div).
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