MB3793-34A datasheet(4/26 Pages) CYPRESS

Part #	MB3793-34A

Description	Precise detection of power voltage fall: ?깍?2.5%

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Manufacturer	CYPRESS [Cypress Semiconductor]

Direct Link	http://www.cypress.com

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4 / 26 page

MB3793-34A

Document Number: 002-08556 Rev. *A

Page 4 of 26

3. Block Diagram

I1 = 3

μA

.

I2 = 30

μA

.

R1 =

435 k

Ω

.

3

1

6

2

8

7

5

4

CTP

To VCC of all blocks

Pulse generator 1

Watchdog

timer

Reference

voltage

generator

To GND of

all blocks

Pulse generator 2

Output circuit

Logic circuit

RESET

INH

CTW

CK1

CK2

VCC

GND

Comp.S

−

+

VS

VREF = 1.24 V

.

R2 =

240 k

Ω

.

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