TLC3702_14 Datasheet, PDF (19/37 Pages) Texas Instruments – DUAL MICROPOWER LinCMOS™ VOLTAGE COMPARATORS

TLC3702
DUAL MICROPOWER LinCMOS™ VOLTAGE COMPARATORS
SLCS013E − NOVEMBER 1986 − REVISED MARCH 2012
APPLICATION INFORMATION
5V
12-V
Sense
3.3 kΩ
1 kΩ
12 V
1/2 TLC3702
+
−
V_CC
RESIN
SENSE
TL7705A
RESET
5V
10 kΩ
To μP
Reset
V_(UNREG)
(see Note A)
REF
C_T
GND
2.5 V
1 μF
1/2 TLC3702
+
To μP Interrupt
R1
Early Power Fail
−
C_T
(see Note B)
R2
Monitors 5 VDC Rail
Monitors 12 VDC Rail
Early Power Fail Warning
NOTES: A.
V_(UNREG)
+
2.5
(R1 +R2)
R2
B. The value of C_T determines the time delay of reset.
Figure 26. Enhanced Supply Supervisor
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