TL7702B, TL7705B

SUPPLY-VOLTAGE SUPERVISORS

SLVS037H – SEPTEMBER 1989 – REVISED JULY 1999

3

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

≈ 70 µA

R1

(see Note A)

R2

(see Note A)

Reference

Voltage

SENSE

GND

VCC

CT

RESET

RESET

REF

8

3

7

2

4

6

5

1

Pin numbers shown are for the D, JG, and P packages.

NOTE A: TL7702B: R1 = 0

Ω, R2 = open

TL7705B: R1 = 23 k

Ω, R2 = 10 kΩ, nominal

typical timing diagram

VIT–

RESET

Vres

0

td

0

VCC and

SENSE

td

VIT–

VIT+

VIT+

Vres

Output

Undefined

Output

Undefined