TL7702A, TL7705A, TL7709A, TL7712A, TL7715A

SUPPLY-VOLTAGE SUPERVISORS

SLVS028E – APRIL 1983 – REVISED JULY 1999

2

POST OFFICE BOX 655303

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.

RESIN

≈100 µA

R1

(see Note A)

6

5

1

Reference

Voltage

SENSE

GND

8

3

7

2

4

VCC

CT

RESET

RESET

REF

R2

(see Note A)

NOTES: A. TL7702A: R1 = 0

Ω, R2 = open

TL7705A: R1 = 7.8 k

Ω, R2 = 10 kΩ

TL7709A: R1 = 19.7 k

Ω, R2 = 10 kΩ

TL7712A: R1 = 32.7 k

Ω, R2 = 10 kΩ

TL7715A: R1 = 43.4 k

Ω, R2 = 10 kΩ

B. Resistor values shown are nominal.

timing diagram

Output

Undefined

RESET

td

Output

Undefined

VCC and SENSE

td

Threshold Voltage

VCC ≈ 3.6 V

VCC ≈ 2 V