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

10

ISOLATED DC/DC CONVERTERS

36 Vdc - 75 Vdc Input, 12 Vdc/6.5 A Output

Nov. 15, 2010

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

Ripple and Noise Waveform

48Vdc input, 12Vdc/6.5A output

Note: Ripple and noise at full load, with a 1uF ceramic cap and a 10 uF Tantalum cap and a 220uF electrolytic

cap at output, Ta=25 deg C.

Transient Response Waveforms

Vout= 12V 50%-75% Load Transients

Vout= 12V 75%-50% Load Transients

Note: Transient Response at Vin=48V, di/dt=0.1A/uS, with a 1uF ceramic cap and a 10uF aluminum cap and a

220uF electrolytic cap at the output.