SLUS170B – FEBRUARY 1999 – REVISED MAY 2013
TYPICAL CHARACTERISTICS
TIME RELATIONSHIPS
INPUT
T1 DELAY, T2 DELAY
vs
R
T
PROPAGATION
DELAYS
PWR OUTPUT
T1 DELAY
UC1714 AUX OUTPUT
T2 DELAY
UC1715 AUX OUTPUT
(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.
I
CC
vs
SWITCHING FREQUENCY WITH NO LOAD AND 50%
DUTY CYCLE R
T
1 = R
T
2 = 50 k
Figure 2.
I
CC
vs
R
T
WITH OPPOSITE R
T
= 50 k
Figure 3.
Figure 4.
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