LTC1726IS8-2.5(RevB) Просмотр технического описания (PDF) - Linear Technology

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производитель

LTC1726IS8-2.5
(Rev.:RevB)

Triple Supply Monitor and µP Supervisor with Adjustable Reset and Watchdog Timer

Linear Technology 

LTC1726

TYPICAL APPLICATIO S

Dual Supply Monitor (3.3V or 5V Plus Adjustable)

ADJUSTABLE

SUPPLY

3.3V OR

5V

R1*

R2*

LTC1726-5

1

VCC3

2

VCC5

3

VCCA

4

GND

8

RT

7

WT

6

RST

5

WDI

REFER TO LTC1726-X OVERRIDE FUNCTIONS IN

10k CRT THE APPLICATIONS INFORMATION SECTION

CWT

SYSTEM RESET

WDI

1726 TA06

*TO PRESERVE THRESHOLD ACCURACY, SET PARALLEL

COMBINATION OF R1 AND R2 ≤ 66.5k

Dual Supply Monitor (3.3V Plus Adjustable)

ADJUSTABLE

SUPPLY

3.3V

R1*

R2*

LTC1726-2.5

1

VCC3

2

VCC25

3

VCCA

4

GND

8

RT

7

WT

6

RST

5

WDI

10k CRT

CWT

SYSTEM RESET

WDI

1726 TA07

*TO PRESERVE THRESHOLD ACCURACY, SET PARALLEL

COMBINATION OF R1 AND R2 ≤ 66.5k

10

Using VCCA Tied to DC/DC Feedback Divider

2.9V

LTC1435

6

VOSENSE

35.7k

1%

3.3V

2.8k

1%

5V

ADJUSTABLE

RESET TRIP

THRESHOLD 2.74V

22.1k

1%

LTC1726-5

1

VCC3

2

VCC5

3

VCCA

4

GND

8

RT

7

WT

6

RST

5

WDI

1726 TA08

CRT

CWT

SYSTEM RESET

WDI

1726fb

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