Q48DB12003NRFA Datasheet, PDF(6/13 Page) Delta Electronics, Inc. – Delphi Series Q48DB, 65W Quarter Brick Dual Output DC/DC Power Modules: 48V in, ±12V, 2.7A Output

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Q48DB12003NRFA Datasheet, PDF (6/13 Pages) Delta Electronics, Inc. – Delphi Series Q48DB, 65W Quarter Brick Dual Output DC/DC Power Modules: 48V in, ±12V, 2.7A Output

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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 (LTEST) of 12 ÂµH. 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 12ÂµH source impedance

and 33ÂµF electrolytic capacitor (200 mA/div).

Figure 12: Input reflected ripple current, is, through a 12ÂµH

source inductor at nominal input voltage and rated load current

(20 mA/div).

DS_Q48DB12003_04182006

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