Datasheet

Figure 8 : Typical External Resistance vs. Pulse
Width at Various V
DD
and C
X.
Figure 9 : Typical External Capacitance vs.Pulse
Width at Various V
DD
and R
X.
Figure 10 : Typical Minimum Reset Pulse Width vs.
External Capacitance.
To calculate average power dissipation
(P) for less than 100% duty cycle :
P
100
= average power for 100% duty cycle
P=



τ
m
τ
T



P
100
where τ
m
= one-shot pulse width
τ
T
= trigger pulse period
=
e.g. : For tm … 600ms tT = 1000ms,
CX = 0.01µF,V
DD
=5V
P=



600
1000



103µW = 600µW
(see dotted line on graph)
Figure 11 : Average Power Dissipation for100% Duty Cycle vs. One-shot Pulse width.
HCC/HCF4098B
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