Datasheet

Figure 10. Figure 11.
For single-ended supplies, the driver outputs are
grounded.The V
C
terminalis switched to groundby
the totem-polesource transistorson alternateoscil-
lator cycles.
In conventional push-pull bipolar designs, forward
base drive is controlled by R
1
-R
3
. Rapid turn-off
times for the power devices are achieved with
speed-upcapacitors C
1
and C
2
.
Thelow sourceimpedanceoftheoutputdrivers pro-
vides rapid charging of Power Mos input capaci-
tance while minimizing external components.
Low power transformers can be driven directly by
the SG1525A.Automatic reset occurs during dead
time, when both ends of the primary winding are
switched to ground.
Figure 8. Figure 9.
SG2525A/27A-SG3525A/27A
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