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H48SN28012 Datasheet(PDF) 5 Page - Delta Electronics, Inc.

Part No. H48SN28012
Description  Delphi Series H48SN, 350W HalfBrick Family DC/DC Power Modules: 48V in, 28V/12.5A out
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Maker  DELTA [Delta Electronics, Inc.]
Homepage  http://www.deltaww.com
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H48SN28012 Datasheet(HTML) 5 Page - Delta Electronics, Inc.

 
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ELECTRICAL CHARACTERISTICS CURVES
Figure 8: Output voltage response to step-change in load
current (75%-50% of Io, max; di/dt = 1A/10µS). Load cap:
330µF aluminum,10uF Low ESR capacitor and 1µF ceramic
capacitor. Top Trace: Vout (100mV/div), Bottom Trace: Iout
(5A/div). Scope measurement 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 9: Output voltage response to step-change in load
current (50%-75% of Io, max; di/dt = 1A/10µS). Load cap:
330µF aluminum,10uF Low ESR capacitor and 1µF ceramic
capacitor. Top Trace: Vout (100mV/div), Bottom Trace: Iout
(5A/div).
Scope measurement 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 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.
H48SN28012_09262006
5


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