TL7702A Datasheet, PDF (2/10 Pages) Texas Instruments – SUPPLY-VOLTAGE SUPERVISORS

TL7702A, TL7705A, TL7709A, TL7712A, TL7715A
SUPPLY-VOLTAGE SUPERVISORS
SLVS028E – APRIL 1983 – REVISED JULY 1999
functional block diagram
The functional block diagram is shown for illustrative purposes only; the actual circuit includes a trimming
network to adjust the reference voltage and sense-comparator trip point.
VCC ⁸
CT ³
7
SENSE
Reference
Voltage
R1
(see Note A)
≈100 µA
6
RESET
5 _RESET
2
RESIN
R2
(see Note A)
4
GND
NOTES: A. TL7702A: R1 = 0 Ω, R2 = open
TL7705A: R1 = 7.8 kΩ, R2 = 10 kΩ
TL7709A: R1 = 19.7 kΩ, R2 = 10 kΩ
TL7712A: R1 = 32.7 kΩ, R2 = 10 kΩ
TL7715A: R1 = 43.4 kΩ, R2 = 10 kΩ
B. Resistor values shown are nominal.
timing diagram
VCC and SENSE
Threshold Voltage
VCC ≈ 3.6 V
RESET
ÎÎ_tdÎÎ
td
Output
Undefined
1 _REF
VCC ≈ 2 V
Output
Undefined
2
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