16

LTC2902

2902f

PART NUMBER

DESCRIPTION

COMMENTS

LTC690

5V Supply Monitor, Watchdog Timer and Battery Backup

4.65V Threshold

LTC694-3.3

3.3V Supply Monitor, Watchdog Timer and Battery Backup

2.9V Threshold

LTC699

5V Supply Monitor and Watchdog Timer

4.65V Threshold

LTC1232

5V Supply Monitor, Watchdog Timer and Push-Button Reset

4.37V/4.62V Threshold

LTC1326

Micropower Precision Triple Supply Monitor for 5V, 3.3V and ADJ

4.725V, 3.118V, 1V Thresholds (

±0.75%)

LTC1326-2.5

Micropower Precision Triple Supply Monitor for 2.5V, 3.3V and ADJ 2.363V, 3.118V, 1V Thresholds (

±0.75%)

LTC1536

Precision Triple Supply Monitor for PCI Applications

LTC1726-2.5

Micropower Triple Supply Monitor for 2.5V, 3.3V and ADJ

Adjustable RESET and Watchdog Time-Outs

LTC1726-5

Micropower Triple Supply Monitor for 5V, 3.3V and ADJ

Adjustable RESET and Watchdog Time-Outs

LTC1727-2.5/LTC1727-5

Micropower Triple Supply Monitor with Open-Drain Reset

Individual Monitor Outputs in MSOP

LTC1728-1.8/LTC1728-3.3 Micropower Triple Supply Monitor with Open-Drain Reset

5-Lead SOT-23 Package

LTC1728-2.5/LTC1728-5

Micropower Triple Supply Monitor with Open-Drain Reset

5-Lead SOT-23 Package

LTC1985-1.8

Micropower Triple Supply Monitor with Push-Pull Reset Output

5-Lead SOT-23 Package

LTC2900

Programmable Quad Supply Monitor

Adjustable RESET, 10-Lead MSOP Package

LTC2901

Programmable Quad Supply Monitor

Adjustable RESET and Watchdog Timer,

16-Lead SSOP Package

LT/TP 1002 2K • PRINTED IN USA

©LINEAR TECHNOLOGY CORPORATION 2002

RELATED PARTS

TYPICAL APPLICATIO

Quad Supply Monitor with Hysteresis

5% Tolerance (Supplies Rising)

12.5% Tolerance (After RST Goes High)

COMP1

COMP2

COMP3

COMP4

RST

T0

T1

CRT

4

14

3

13

8

12

11

10

2

16

1

15

6

7

9

5

V1

V2

V3

V4

RDIS

GND

5V

3.3V

2.5V

1.8V

10k

R1

59k

1%

R2

40.2k

1%

LTC2902-1

2902 TA05

Linear Technology Corporation

1630 McCarthy Blvd., Milpitas, CA 95035-7417