LTC1326CMS8PBF Linear Technology Corporation, LTC1326CMS8PBF Datasheet

LTC1326CMS8PBF

Manufacturer Part Number

LTC1326CMS8PBF

Description

MSOP-8

Manufacturer

Linear Technology Corporation

Datasheets

1.LTC1326CMS8PBF.pdf (16 pages)

2.LTC1326CMS8PBF.pdf (16 pages)

Specifications of LTC1326CMS8PBF

Date_code

07+

Current page: 1 of 16
Download datasheet (182Kb)

FEATURES

APPLICATIO S

TYPICAL APPLICATIO

Simultaneously Monitors Three Supplies

LTC1326: 5V, 3.3V and ADJ

LTC1326-2.5: 2.5V, 3.3V and ADJ

Guaranteed Threshold Accuracy: 0.75%

Low Supply Current: 20 A

Internal Reset Time Delay: 200ms

Manual Push-Button Reset Input

Active Low and Active High Reset Outputs

Active Low “Soft” Reset Output

Power Supply Glitch Immunity

Guaranteed RESET for V

or V

8-Pin SO and MSOP Packages

Desktop Computers

Notebook Computers

Intelligent Instruments

Portable Battery-Powered Equipment

PUSH-BUTTON

CC25

CONVERTER

RESET

DC/DC

PBR

CC25

LTC1326-2.5

GND

CC3

SRST

CC3

RST

2.5V

3.3V

CCA

CORE

0.1 F

1V or V

CC5

1326/2.5 TA01

SYSTEM

LOGIC

DESCRIPTIO

The LTC

intended for systems with multiple supply voltages. They

provide micropower operation, small size and high accu-

racy supply monitoring.

Tight 0.75% threshold accuracy and glitch immunity

ensure reliable reset operation without false triggering.

The 20 A typical supply current makes the LTC1326/

LTC1326-2.5 ideal for power-conscious systems.

The RST output is guaranteed to be in the correct state for

can be configured to monitor one, two or three inputs,

depending on system requirements.

A manual push-button reset input provides the ability to

generate a very narrow “soft” reset pulse (100 s typ) or a

200ms reset pulse equivalent to a power-on reset. Both

SRST and RST outputs are open-drain and can be OR-tied

with other reset sources.

CC3

, LTC and LT are registered trademarks of Linear Technology Corporation.

, V

RST Output Voltage vs Supply Voltage (LTC1326-2.5)

CC5

1326/LTC1326-2.5 are triple supply monitors

or V

Micropower Precision

Triple Supply Monitors

3.5

3.0

2.0

1.5

1.0

2.5

0.5

CC25

4.7k PULL-UP FROM RST TO V

LTC1326/LTC1326-2.5

CC25

0.5

= 25 C

down to 1V. The LTC1326/LTC1326-2.5

= V

1.0

CCA

= V

1.5

CC3

2.0

(V)

2.5

CC3

1326/2.5 TA02

3.0

3.5

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