Datasheet > LTC2908

LTC2908

更新时间： 2024-09-13 14:58:11

品牌	Logo	应用领域
亚德诺 - ADI		监视器
页数	文件大小	规格书
18页	228K
描述
精准六路输入电源监视器

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中文翻译

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数据手册

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LTC2908 数据手册

LTC2908

Precision

Six Input Supply Monitor

FEATURES

DESCRIPTION

The LTC^®2908 is a six input supply monitor for systems

requiring a precise and compact monitoring solution

for multiple supply voltages. The inputs can be shorted

together for monitoring systems with fewer than six

supply voltages, and the open drain RST output of two or

more LTC2908s can be wired-OR together for monitoring

systemswithmorethansixsupplyvoltages.Thecommon

reset output remains low until all six inputs have been in

compliance for 200ms.

Ultralow Voltage Reset: V = 0.5V Guaranteed*

Monitors Six Inputs Simultaneously:

5V, 3.3V, 2.5V, 1.8V, ADJ1, ADJ2 (LTC2908-A1)

3.3V, 2.5V, 1.8V, 1.5V, ADJ1, ADJ2 (LTC2908-B1)

2.5V, ADJ1, ADJ2, ADJ3, ADJ4, ADJ5 (LTC2908-C1)

Guaranteed Threshold Accuracy: 1.5% of

Monitored Voltage Overtemperature

Internal V Auto Select

Power Supply Glitch Immunity

200ms Reset Time Delay

Active Low Open-Drain RST Output

Low Proﬁle (1mm) 8-Lead SOT-23 (ThinSOT™) and

Plastic (3mm × 2mm) DFN Packages

TheLTC2908featuresatight1.5%thresholdaccuracyover

theentireoperatingtemperaturerangeandglitchimmunity

to ensure reliable reset operation without false triggering.

The open-drain RST output state is guaranteed to be in the

correct state as long as V1 and/or V2 is 0.5V or greater.

APPLICATIONS

TheLTC2908alsofeaturesadjustableinputswithanominal

threshold level at 0.5V. This product provides a precise,

space-conscious, micropower and general purpose solu-

tion for any kind of system requiring supply monitors.

L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks of Linear

Technology Corporation. ThinSOT is a trademark of Linear Technology Corporation. All other

trademarks are the property of their respective owners. *Patent pending.

Network Servers

Wireless Base Stations

Optical Networking Systems

Multivoltage Systems

Desktop and Notebook Computers

TYPICAL APPLICATION

Six Supply Monitor with 5% Tolerance

RST Output Voltage vs V1

with 10k Pull-Up Resistor to V1

(12V, 3.3V, 2.5V, 1.8V, 1.5V, 1.2V)

12V

0.4

V3 = V4 = V

ADJ1

ADJ2

ADJ4

= V

ADJ3

= V

ADJ5

3.3V

= GND

DC/DC

0.3

0.2

0.1

2.5V

1.8V

V1 INPUT

SYSTEM

1.5V

1.2V

V2 = GND

0.1μF 0.1μF

2.15M

124k

V2 = V1 (A1/B1)

100k

0.4

0.2

0.6

0.8

V1 (V)

V2 V3 V4

ADJ2

ADJ1

2908 TA01b

LTC2908-B1

GND

RST

2908 TA01a

2908fd

12 3 4 5 6 7...18

中文翻译

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与LTC2908相关器件

型号	品牌	获取价格	描述	数据表
LTC2908CDDB8-A1#PBF	Linear	获取价格	IC 6-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8, 3 X 2 MM, PLASTIC, M0-229WECD-1, DFN-8, Powe
LTC2908CDDB8-B1	Linear	获取价格	IC 6-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8, 3 X 2 MM, PLASTIC, M0-229WECD-1, DFN-8, Powe
LTC2908CDDB8-B1#PBF	Linear	获取价格	IC 6-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8, 3 X 2 MM, PLASTIC, M0-229WECD-1, DFN-8, Powe
LTC2908CDDB-A1	Linear Systems	获取价格	Precision Six Supply Monitor
LTC2908CDDB-A1#PBF	Linear	获取价格	暂无描述
LTC2908CDDB-A1#TR	Linear	获取价格	LTC2908 - Precision Six Input Supply Monitor; Package: DFN; Pins: 8; Temperature Range: 0&
LTC2908CDDB-A1#TRM	Linear	获取价格	LTC2908 - Precision Six Input Supply Monitor; Package: DFN; Pins: 8; Temperature Range: 0&
LTC2908CDDB-A1#TRMPBF	Linear	获取价格	LTC2908 - Precision Six Input Supply Monitor; Package: DFN; Pins: 8; Temperature Range: 0&
LTC2908CDDB-A1#TRPBF	Linear	获取价格	LTC2908 - Precision Six Input Supply Monitor; Package: DFN; Pins: 8; Temperature Range: 0&
LTC2908CDDB-A1-TRMPBF	Linear	获取价格	Precision Six Input Supply Monitor

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