LTC1728(Old_V) データシートの表示（PDF） - Linear Technology

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LTC1728
(Rev.:Old_V)

Micropower Precision Triple Supply Monitors in 8-Lead MSOP and 5-Lead SOT-23 Packages

Linear Technology 

LTC1727/LTC1728

TYPICAL APPLICATIO S

Triple Supply Monitor (3.3V, 5V and Adjustable)

ADJUSTABLE SUPPLY

OR DC/DC FEEDBACK

DIVIDER

3.3V

5V

R1*

R2*

LTC1728-5

5

VCC3

4

VCC5

3

VCCA

2

GND

1

RST

SYSTEM RESET

1727/28 TA03

*TO PRESERVE THRESHOLD ACCURACY, SET PARALLEL

COMBINATION OF R1 AND R2 ≤ 66.5k

12

Dual Supply Monitor (3.3V and 5V, Defeat VCCA Input)

3.3V

5V

LTC1728-5

5

VCC3

4

VCC5

3

VCCA

2

GND

1

RST

SYSTEM RESET

1727/28 TA04

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

ADJUSTABLE

SUPPLY

3.3V OR

5V

R1*

R2*

LTC1728-5

10k

5

1

VCC3 RST

4

VCC5

3

VCCA

2

GND

1727/28 TA05

SYSTEM RESET

*TO PRESERVE THRESHOLD ACCURACY, SET PARALLEL

COMBINATION OF R1 AND R2 ≤ 66.5k

REFER TO LTC1728-5 OVERRIDE FUNCTIONS IN

THE APPLICATIONS INFORMATION SECTION

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