Delta-electronics Q48DC Uživatelský manuál stáhnout pdf (Strana 6)

DS_Q48DC12003_03112008

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, i

, at full rated output

current and nominal input voltage with 12

µH source impedance

and 33

µF electrolytic capacitor (500 mA/div).

Figure 12: Input reflected ripple current, i

, through a 12µH

source inductor at nominal input voltage and rated load current

(20 mA/div).

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Delta-electronics Q48DC Uživatelský manuál Strana 6