LNK362-364
470 Ω
5 W
470 kΩ
0.1 μF
FB
BP
D
S2
S1
50 V
50 V
S
S
S
S
PI-3490-060204
Figure 8. LinkSwitch-XT General Test Circuit.
DC
(internal signal)
MAX
t
2
t
t
1
P
HV
90%
90%
FB
t
DRAIN
VOLTAGE
1
D =
t
t
EN
2
V
DRAIN
10%
1
0 V
tP
=
fOSC
PI-3707-112503
PI-2048-033001
Figure 10. LinkSwitch-XT Output Enable Timing.
Figure 9. LinkSwitch-XT Duty Cycle Measurement.
2-11
11
Rev. E 11/08