3793DC Ver la hoja de datos (PDF) - Cypress Semiconductor

Número de pieza

componentes Descripción

Fabricante

3793DC

Power-Voltage Monitoring IC with Watchdog Timer

Cypress Semiconductor 

3. Block Diagram

MB3793-27D/28D/30D

To VCC of all blocks

I1 =.. 3 mA

I2 .=. 30 mA

5 VCC

CTP 3

/RESET 1

Output circuit

R1*

Logic circuit

INH 6

CTW 2

Pulse generator 1

CK1 8

Watchdog

timer

Pulse generator 2

CK2 7

Reference

voltage

generator

VREF =.. 1.24 V

Comp.S

-

VS

+

To GND of

all blocks

R2 .=.

240 k

4 GND

*: See the following table.

Model No.

MB3793-27D

MB3793-28D

MB3793-30D

Resistance Value (R1)

295 k

315 k

360 k

Document Number: 002-08488 Rev.*C

Page 4 of 24

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