Datasheet > LTC2962

LTC2962

更新时间： 2022-02-26 11:59:39

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
20页	1877K
描述
Accurate Quad Configurable Supervisor

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数据手册

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LTC2962 数据手册

LTC2962/LTC2963/LTC2964

±±0.5% AAcurat%ꢀcrꢁ%

Configcurblt%Scptuvisou%

FEATURES

DESCRIPTION

The LTC^®2962 series of configurable power supply moni-

tors can supervise systems with up to four supply volt-

ages. One of 16 preset or adjustable voltage monitor

thresholds per channel can be selected using external 1%

resistors connected to the programming (PG) inputs. The

preset voltage thresholds are accurate to 0.5% over tem-

perature. Positive (+ADJ) and negative (–ADJ) adjustable

inputs with a 0.5V threshold allow undervoltage, negative

voltage and overvoltage monitoring.

Simultaneously Monitor Four Power Supplies

±±0.5 ꢀTresTolꢁ ꢂAAuraAy ꢃOer ꢀemperature

SeleAtable –45 anꢁ –65 ꢀTresTolꢁs per Supply:

.V, 303V, 20.V, 108V, 10.V, 102V, 1V anꢁ ±ꢂꢄD

Adjustable Reset (RST) Timeout

Overvoltage and Negative Voltage Monitoring

Push-Pull or Open-Drain RST Output

Margin Pin RDIS for Reset Disable

H-Grade Temperature Range

LTC2963

The watchdog (LTC2963 only) and reset timeout periods

are adjustable using external capacitors. Accurate volt-

age thresholds and comparator glitch immunity ensure

reliable reset operation without false triggering. The RST

output is guaranteed to be in the correct state for V

input voltage down to 1V.

Non-Windowed (–1) Watchdog

Adjustable Watchdog Timer

Watchdog Status Output WDO

Selectable Initial Watchdog Timeout

LTC2964

Individual Comparator Open-drain Outputs

The flexibility of the LTC2962 family provides the ability

to monitor a wide variety of power supply combinations,

including multiple supplies of the same voltage, with

0.5% accuracy.

16-Lead 3mm × 3mm QFN (LTC2962)

20-Lead 3mm × 4mm QFN (LTC2963, LTC2964)

APPLICATIONS

All registered trademarks and trademarks are the property of their respective owners. Protected

by U.S. patents including 6967591, 7239251, 7119714.

High Reliability Systems

Network, Telecom and Server Systems

Automotive Control Systems

TYPICAL APPLICATION

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ꢀypiAal ꢄistribution of Monitor

ꢀTresTolꢁ Error

ꢀ0

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RDIS

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Rꢉ

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Rev 0

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