TLF6386 – 3

FIGURE 3

6 To obtain variable pulse widths by remote trimming the

following circuit is recommended

TLF6386 – 4

FIGURE 4

Note

7 The retriggerable pulse width is calculated as shown be-

low

The retriggered pulse width is equal to the pulse width

plus a delay time period

(Figure 5)

TLF6386 – 5

FIGURE 5

tures

Figure 6 depicts the relationship between pulse

width variation versus temperatures

TLF6386 – 6

FIGURE 6

TLF6386 – 7

FIGURE 7

as close to the one-shot device pins as possible to mini-

mize stray capacitance to reduce noise pick-up and to

reduce I-R and Ldidt voltage developed along their

and (7) or pins (14) and (15) is greater than 3 cm for

example the output pulse width might be quite different

from values predicted from the appropriate equations A

non-inductive and low capacitive path is necessary to

operation so that the output pulse width will be accurate

the internal ground For optimum system performance

they should be hard wired to the system’s return ground

plane

quency standards and practices so that switching tran-

interaction between one-shots A 001 mF to 010 mF

bypass capacitor (disk ceramic or monolithic type) from

more the bypass capacitor should be located as close

For further detailed device characteristics and output performance

please refer to the NSC one-shot application note AN-372

4