KA3842B/KA3843B/KA3844B/KA3845B

6

Figure 5. Oscillator Waveforms and Maximum Duty Cycle

oscillator frequency and maximum duty cycle. Charge and discharge times are determined by the formulas:

-1

Figure 8. Shutdown Techniques

Figure 6. Oscillator Dead Time & Frequency

Figure 7. Timing Resistance vs Frequency

t

D

R

0.0063R

T

2.7

–

0.0063R

T

4

–

----------------------------------------





=

ForRT

5K

Ω f

1.8

R

---------------

=

,

>