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LTC9111中文資料亞德諾數(shù)據(jù)手冊(cè)PDF規(guī)格書(shū)

LTC9111
廠商型號(hào)

LTC9111

功能描述

Industrial SPoE PD Controller

文件大小

1.10843 Mbytes

頁(yè)面數(shù)量

20 頁(yè)

生產(chǎn)廠商 Analog Devices
企業(yè)簡(jiǎn)稱

AD亞德諾

中文名稱

亞德諾半導(dǎo)體技術(shù)有限公司官網(wǎng)

原廠標(biāo)識(shí)
數(shù)據(jù)手冊(cè)

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更新時(shí)間

2024-12-25 15:42:00

LTC9111規(guī)格書(shū)詳情

DESCRIPTION

The LTC?9111 is an IEEE 802.3cg compliant Single-Pair

Power over Ethernet (SPoE) Powered Device (PD) controller.

A wide 2.3V to 60V operating range capability with

polarity correction make the LTC9111 particularly well

suited for classification-based systems in building and

factory automation.

SCCP-based classification ensures full operating voltage

is applied by the Power Sourcing Equipment (PSE) only

when a valid PD is connected. The LTC9111 drives two

external N-channel MOSFET switches during classification

with micropower operation to minimize reservoir capacitor

requirements. An external N-channel MOSFET switch

isolates the output capacitance from the connector during

classification and inrush. A voltage supervisor enables the

external MOSFET when the PD input voltage exceeds the

ON voltage threshold for the configured class and after a

mandated delay. The EN output asserts after the controlled

GATE pin ramp-up. The MOSFET is disabled if the input

voltage drops below the OFF voltage threshold for the

configured class. The LTC9111 drives a pair of external

low-side N-channel MOSFETs with a low start-up voltage

of 1.6V for polarity correction with reduced power losses.

FEATURES

- IEEE 802.3cg Compliant

- Wide Input Voltage Range: 2.3V to 60V

- Supports Serial Communication Classification Protocol (SCCP)

- Wakeup Signature

- Integrated 3.5V Standby Regulator

- 150μA Maximum Current During Classification

- Drives Low-Side Bridge MOSFETs for Polarity Correction

- Charge Pump Enhances External N-Channel MOSFET

- Pin Programmable Class Configuration

- Available in 12-Pin MSOP and DFN 4mm × 3mm Packages

APPLICATIONS

- Building Automation

- Factory Automation

- Security Systems

- Traffic Control Systems

供應(yīng)商 型號(hào) 品牌 批號(hào) 封裝 庫(kù)存 備注 價(jià)格
LINEAR/凌特
23+
SOP-8
13000
原廠授權(quán)一級(jí)代理,專業(yè)海外優(yōu)勢(shì)訂貨,價(jià)格優(yōu)勢(shì)、品種
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Linear
2015+
SOP/DIP
19889
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LINEAR
1725+
SMD
6528
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LT
23+
SOP-18
4500
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LT
24+
SMD
2300
絕對(duì)原裝自家現(xiàn)貨!真實(shí)庫(kù)存!歡迎來(lái)電!
詢價(jià)
LINEAR/凌特
24+
SOP-8
3000
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LINEAR/凌特
22+
SOP
9600
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LINAER
22+
SOP
3000
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ROHM/羅姆
23+
NA/
5670
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LINEAR
21+
SOP8
35400
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