TLC3702 Datasheet, PDF (19/26 Pages) Texas Instruments – DUAL MICROPOWER LinCMOSE VOLTAGE COMPARATORS

TLC3702
DUAL MICROPOWER LinCMOS™ VOLTAGE COMPARATORS
SLCS013D – NOVEMBER 1986 – REVISED NOVEMBER 1998
APPLICATION INFORMATION
5V
12-V
Sense
3.3 kΩ
1 kΩ
12 V
1/2 TLC3702
+
–
VCC
RESIN
SENSE
TL7705A
RESET
5V
10 kΩ
To µP
Reset
V(UNREG)
(see Note A)
REF
CT
GND
2.5 V
1 µF
1/2 TLC3702
+
To µP Interrupt
R1
Early Power Fail
–
CT
(see Note B)
R2
Monitors 5 VDC Rail
Monitors 12 VDC Rail
Early Power Fail Warning
+ NOTES: A. V_(UNREG)
(R1 +R2)
2.5 _R2
B. The value of CT determines the time delay of reset.
Figure 26. Enhanced Supply Supervisor
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