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| LP3470 Datasheet, PDF (11/22 Pages) National Semiconductor (TI) – Tiny Power On Reset Circuit | |||
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www.ti.com
LP3470
SNVS003G â JUNE 1999 â REVISED APRIL 2016
8.2.2 Detailed Design Procedure
The minimum application circuit requires the LP3470 Power-On Reset Circuit IC and a pullup resistor connecting
the reset pin to VCC. The reset delay can be programmed with an additional capacitor connected from the SRT
pin to GND. See Reset Time-Out Period and Pullup Resistor Selection for information on choosing specific
values for components.
8.2.3 Application Curves
Two capacitor values for CD (0.1 µF and 1 µF) are used as examples to show the programmability of the output
time delay as shown in Figure 11 and Figure 12.
Figure 11. 0.1-µF Capacitor Programmed Delay
Figure 12. 1-µF Capacitor Programmed Delay
Copyright © 1999â2016, Texas Instruments Incorporated
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