Datasheet > LTC2900

LTC2900

更新时间： 2023-12-20 18:45:12

品牌	Logo	应用领域
亚德诺 - ADI		监控
页数	文件大小	规格书
16页	204K
描述
具有可调复位定时器的可设置四电源监控器

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中文翻译

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数据手册

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LTC2900 数据手册

LTC2900

Programmable Quad Supply

Monitor with Adjustable Reset Timer

FEATURES

DESCRIPTIO

■

Simultaneously Monitors Four Supplies

The LTC^®2900 is a programmable supply monitor for

■

16 User Selectable Combinations of 5V, 3.3V, 3V,

2.5V, 1.8V, 1.5V and/or ±Adjustable Voltage

Thresholds

systemswithuptofoursupplyvoltages. Oneof16preset

or adjustable voltage monitor combinations can be se-

lected using an external resistor divider connected to the

program pin. The preset voltage thresholds are accurate

to ±1.5% over temperature.

■

Guaranteed Threshold Accuracy: ±1.5% of

Monitored Voltage Over Temperature

Low Supply Current: 43µA Typ

Adjustable Reset Time

Small MSOP and 3mm × 3mm DFN Packages

Manual Reset Pin

■

The reset delay time is adjustable using an external

capacitor and the manual reset input may be used with a

momentaryswitchtoissueresetpulseswithprogrammed

duration. Tight voltage threshold accuracy and glitch

immunity ensure reliable reset operation without false

triggering. The RST output is guaranteed to be in the

correctstateforV_CCdownto1V.TheLTC2900-1features

an open-drain RST output, while the LTC2900-2 has a

push-pull RST output.

Open-Drain RST Output (LTC2900-1)

Push-Pull RST Output (LTC2900-2)

Power Supply Glitch Immunity

Guaranteed RST for V_CC≥ 1V

APPLICATIO S

The 43µA supply current makes the LTC2900 ideal for

power conscious systems and it may be configured to

monitor less than four inputs. The parts are available in

the 10-lead MSOP and the 10-lead 3mm × 3mm DFN

packages.

■

Desktop and Notebook Computers

■

Multivoltage Systems

■

Telecom Equipment

■

Portable Battery-Powered Equipment

■

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

Network Servers

TYPICAL APPLICATIO

Quad Supply Monitor (5V, 3.3V, 2.5V, 1.8V)

3.3V

2.5V

1.8V

DC/DC

CONVERTER

SYSTEM

LOGIC

LTC2900-2

0.1µF

REF

RST

PBR

CRT

59k

GND

PUSH-BUTTON

RESET

40.2k

47nF

2900 TA01

= 216ms

RST

2900f

12 3 4 5 6 7...16

中文翻译

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与LTC2900相关器件

型号	品牌	获取价格	描述	数据表
LTC2900-1CDD	Linear	获取价格	Programmable Quad Supply Monitor with Adjustable Reset Timer
LTC2900-1CDD#TR	Linear	获取价格	LTC2900 - Programmable Quad Supply Monitor with Adjustable Reset Timer; Package: DFN; Pins
LTC2900-1CDD#TRPBF	Linear	获取价格	LTC2900 - Programmable Quad Supply Monitor with Adjustable Reset Timer; Package: DFN; Pins
LTC2900-1CMS	Linear	获取价格	Programmable Quad Supply Monitor with Adjustable Reset Timer
LTC2900-1IDD	Linear	获取价格	Programmable Quad Supply Monitor with Adjustable Reset Timer
LTC2900-1IDD#PBF	Linear	获取价格	LTC2900 - Programmable Quad Supply Monitor with Adjustable Reset Timer; Package: DFN; Pins
LTC2900-1IDD#TR	Linear	获取价格	LTC2900 - Programmable Quad Supply Monitor with Adjustable Reset Timer; Package: DFN; Pins
LTC2900-1IDD#TRPBF	Linear	获取价格	LTC2900 - Programmable Quad Supply Monitor with Adjustable Reset Timer; Package: DFN; Pins
LTC2900-1IMS	Linear	获取价格	Programmable Quad Supply Monitor with Adjustable Reset Timer
LTC2900-1IMS#PBF	Linear	获取价格	LTC2900 - Programmable Quad Supply Monitor with Adjustable Reset Timer; Package: MSOP; Pin

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