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Q48SQ12018NRFB Datasheet(PDF) 5 Page - Delta Electronics, Inc.

Part # Q48SQ12018NRFB
Description  Delphi Series Q48SQ, Quarter Brick Family DC/DC Power Modules
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Manufacturer  DELTA [Delta Electronics, Inc.]
Direct Link  http://www.deltaww.com
Logo DELTA - Delta Electronics, Inc.

Q48SQ12018NRFB Datasheet(HTML) 5 Page - Delta Electronics, Inc.

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5
ELECTRICAL CHARACTERISTICS CURVES
Figure 8: Output voltage response to step-change in load
current (75%-50% of Io, max; di/dt = 0.1A/µs). Load cap: 100uF
Al-Electrolytic capacitor, 10µF tantalum capacitor and 1µF
ceramic capacitor. Top Trace: Vout; 200mV/div; Bottom Trace:
output current: 5A/div, Time: 200us/div
Figure 9: Output voltage response to step-change in load
current (50%-75% of Io, max; di/dt = 0.1A/µs). Load cap:
100uF Al-Electrolytic capacitor, 10µF tantalum capacitor and
1µF ceramic capacitor. Top Trace: Vout; 200mV/div; Bottom
Trace: output current: 5A/div, Time: 200us/div
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 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 12µH source impedance
and 33µF electrolytic capacitor (200 mA/div2us/div).


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