Datasheet

PROPAGATION
DELAYS
INPUT
PWR OUTPUT
T1 DELAY T2 DELAY
UC1714 AUX OUTPUT
UC1715 AUX OUTPUT
UC1714, UC1715, UC2714
UC2715, UC3714, UC3715
www.ti.com SLUS170B –FEBRUARY 1999–REVISED MAY 2013
TYPICAL CHARACTERISTICS
T1 DELAY, T2 DELAY
vs
TIME RELATIONSHIPS R
T
(2) T1 delay is defined from the 50% point of the transition edge of
AUX to the 10% of the rising edge of PWR. T2 delay is defined from
the 90% of the falling edge of PWR to the 50% point of the transition
edge of AUX.
Figure 1. Figure 2.
I
CC
vs I
CC
SWITCHING FREQUENCY WITH NO LOAD AND 50% vs
DUTY CYCLE R
T
1 = R
T
2 = 50 k R
T
WITH OPPOSITE R
T
= 50 k
Figure 3. Figure 4.
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