Additional applications include environmental conditioning blowers, radar positioning, solar panel
positioning, and cryogenic cooler pumps. The ACT5101-1 is therefore especially suitable for use in
applications for all military tank upgrades, helicopters, planes and new commercial avionics using 270 VDC
as the main power.
50%
Ux INPUTS
50%
LX INPUTS
td on
td off
td off
td on
90%
PHASE
OUTPUTS
50%
10%
tr
tf
tr
tf
50%
SD
tSDU
H
Z
UPPER TRANSISTOR
BEING SHUTDOWN
PHASE
OUTPUTS
tSDL
LOWER TRANSISTOR
BEING SHUTDOWN
Z
L
FIGURE 2 – TIMING DIAGRAM
2
Aeroflex Circuit Technology
SCD5101-1 REV D 5/14/01 Plainview NY (516) 694-6700