TLC3704_14 Datasheet, PDF (21/37 Pages) Texas Instruments – QUAD MICROPOWER LinCMOS. VOLTAGE COMPARATORS

TLC3704, TLC3704M
QUAD MICROPOWER LinCMOS VOLTAGE COMPARATORS
SLCS117C − NOVEMBER 1986 − REVISED NOVEMBER 2009
APPLICATION INFORMATION
5V
12-V
Sense
V_(UNREG)
(see Note A)
3.3 kΩ
1 kΩ
2.5 V
R1
R2
12 V
1/2 TLC3704
+
−
V_CC
RESIN
REF
SENSE
TL7705A
RESET
5V
10 kΩ
To µP
Reset
C_T
GND
1 µF
1/2 TLC3704
+
To µP Interrupt
Early Power Fail
−
C_T
(see Note B)
Monitors 5 VDC Rail
Monitors 12 VDC Rail
Early Power Fail Warning
NOTES:
A.
(R1 +R2)
V_(UNREG) + 2.5 _R2
B. The value of C_T determines the time delay of reset.
Figure 26. Enhanced Supply Supervisor
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