Delta Electronics H48SN User Manual download pdf (Page 6)

ELECTRICAL CHARACTERISTICS CURVES

Figure 11: Input Terminal Ripple Current, i

, at full rated output

current and nominal input voltage with 12µH source impedance

and 220µF electrolytic capacitor (1A/div).

Figure 12: Input reflected ripple current, i

, through a 12µH

source inductor at nominal input voltage and rated load current

(10 mA/div)

Vo(-)

Vo(+)

10u 1u

Copper Strip

SCOPE RESISTIV

LOAD

Figure 13: Output voltage noise and ripple measurement test

setup

H48SN28012_01172008

1 2 3 4 5 6 7 8 9 10 11 12 13

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Delta Electronics H48SN User Manual Page 6