Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302

10

ISOLATED DC/DC CONVERTERS

48 Vdc Input

3.3 Vdc - 24 Vdc/7 A - 1.25 A Output

Nov. 29, 2010

Bel Power, Inc. , a subsidiary of Bel Fuse, Inc.

Transient Response Waveforms (continued)

Transients 25% to 50% load 15 Vdc output

Transients 50% to 75% load 15 Vdc output

Transients 25% to 50% load 24 Vdc output

Transients 50% to 75% load 24 Vdc output

Note: Transient response at 48 Vdc input, di/dt=0.1 A/uS, with external 220 uF electrolytic cap and 0.47 uF

ceramic cap at the output, and Ta=25 deg C.