S-19500A03A-E8T1U4 Datasheet, PDF (35/52 Pages) Seiko Instruments Inc – CMOS VOLTAGE REGULATOR WITH WATCHDOG TIMER AND RESET FUNCTION

FOR AUTOMOTIVE 125°C OPERATION HIGH-WITHSTAND VOLTAGE CMOS VOLTAGE REGULATOR WITH WATCHDOG TIMER AND RESET FUNCTION
Rev.1.2_01
S-19500/19501 Series
 Timing Charts
1. S-19500 Series (Product with watchdog enable function)
V_IN
V_OUT
V_WADJ
V_WEN
V_WI
V_DLY
V_{WO / RO}
1/f_WI
t_WI,tr
t_WD,I
t_rd
t_WD,P
+V_DET
V_DU
V_DWL
t
Figure 47 Example of Watchdog Timer Monitoring Operation
V_IN
V_OUT
V_WADJ
V_WEN
V_WI
V_DLY
V_{WO / RO}
≪t_rr
t_rd
t_rr
Figure 48 Example of Detector Operation
+V_DET
−V_DET
V_DU
V_DRL
t
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