STM818L/M STMicroelectronics, STM818L/M Datasheet - Page 17
STM818L/M
Manufacturer Part Number
STM818L/M
Description
5V Supervisor
Manufacturer
STMicroelectronics
Datasheet
1.STM703.pdf
(43 pages)
Specifications of STM818L/M
Operating Temperature
–40 °C to +85 °C (industrial grade)
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STM690A/692A/703/704/802/805/817/818/819
Figure 13. Power-fail comparator waveform (STM817/818/819)
Figure 14. Power-fail comparator waveform (STM690A/692A/703/704/802/805)
2.10
V
V
2.4V (or V
PFO
RST
CC
RST
PFO
(STM817/819)
V
V
V
RST
E
CC
RST
SO
CON
Using a SuperCap™ as a backup power source
SuperCaps™ are capacitors with extremely high capacitance values (e.g., 0.47 F) for their
size.
may be connected through a diode to the 5 V supply. Since V
is above the reset threshold, there are no special precautions for using these supervisors
with a SuperCap.
(or 2.4V)
SO )
(STM818)
Figure 15
PFO follows PFI
PFO follows PFI
shows how to use a SuperCap as a backup power source. The SuperCap
RST to E
Doc ID 10522 Rev 10
CON
Delay (STM818)
BAT
PFO follows PFI
can exceed V
t rec
t rec
PFO follows PFI
CC
Operation
while V
AI08832a
AI08804a
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