TLE6286 Datasheet, PDF (8/19 Pages) Infineon Technologies AG – LIN-Transceiver LDO

Target Data TLE 6286
2.5 Reset Timing
The power-on reset delay time is defined by the charging time of an external capacitor
C_D which can be calculated as follows:
C_D = (t_rd × I_D,ch)/∆V
Definitions:C_D = delay capacitor
t_rd = reset delay time
I_D,ch = charge current, typical 60 µA
∆V = V_DU, typical 1.70 V
V_DU = upper delay switching threshold at C_D for reset delay time
2.6 Watchdog Timing
The frequency of the watchdog pulses has to be higher than the minimum pulse
sequence which is set by the external reset delay capacitor C_D. Calculation can be done
according to the formulas given in Figure 5.
Version 1.02
8
2001-10-15