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E48SH3R330PRFA

120W Eighth Brick Family DC/DC Power Modules: 48V in, 3.3V/30A out

Delta Electronics, Inc. 

ELECTRICAL CHARACTERISTICS CURVES

Vo(+)

Vo(-)

Copper Strip

10u

1u

SCOPE

RESISTIVE

LOAD

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

source inductor at nominal input voltage and rated load current

(20 mA/div, 2us/div).

Figure 13: Output voltage noise and ripple measurement test

setup

Figure 14: Output voltage ripple at nominal input voltage and

rated load current (Io=30A)(50 mV/div, 2us/div)

Load capacitance: 1µF ceramic capacitor and 10µF tantalum

capacitor. Bandwidth: 20 MHz. Scope measurements 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 15: Output voltage vs. load current showing typical

current limit curves and converter shutdown points.

E48SH3R330_02162007

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