S-19500A03A-E8T1U4 Datasheet, PDF (36/52 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
S-19500/19501 Series
Rev.1.2_01
2. S-19501 Series (Product without watchdog enable function)
V_IN
V_OUT
V_WADJ
V_WI
V_DLY
V_RO
V_WO
1/f_WI
+V_DET
V_DU
V_DWL
t_WI,tr
t_WD,I
t_rd
t_WD,p
t
Figure 49 Example of Watchdog Timer Monitoring Operation
V_IN
V_OUT
V_WADJ
V_WI
V_DLY
V_RO
V_WO
≪t_rr
t_rd
t_rr
Figure 50 Example of Detector Operation
+V_DET
−V_DET
V_DU
V_DRL
t
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