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LTC4278集成電路(IC)的以太網(wǎng)供電(PoE)控制器規(guī)格書PDF中文資料

LTC4278
廠商型號(hào)

LTC4278

參數(shù)屬性

LTC4278 封裝/外殼為32-WFDFN 裸露焊盤;包裝為卷帶(TR)剪切帶(CT)Digi-Reel? 得捷定制卷帶;類別為集成電路(IC)的以太網(wǎng)供電(PoE)控制器;產(chǎn)品描述:IC POE CNTRL 1 CHANNEL 32DFN

功能描述

8/16-Port IEEE 802.3at PoE PSE Controller with Power Management and LED Control
IC POE CNTRL 1 CHANNEL 32DFN

封裝外殼

32-WFDFN 裸露焊盤

文件大小

2.59776 Mbytes

頁面數(shù)量

30

生產(chǎn)廠商 Analog Devices
企業(yè)簡稱

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)

原廠下載下載地址一下載地址二到原廠下載

更新時(shí)間

2025-3-15 23:00:00

人工找貨

LTC4278價(jià)格和庫存,歡迎聯(lián)系客服免費(fèi)人工找貨

LTC4278規(guī)格書詳情

LTC4278屬于集成電路(IC)的以太網(wǎng)供電(PoE)控制器。由亞德諾半導(dǎo)體技術(shù)有限公司制造生產(chǎn)的LTC4278以太網(wǎng)供電(PoE)控制器以太網(wǎng)供電 (PoE) 控制器允許設(shè)計(jì)人員通過單個(gè)以太網(wǎng)連接傳輸電流和數(shù)據(jù)。遠(yuǎn)程設(shè)備通過以太網(wǎng)電纜供電,因此無需電池、本地電源適配器和其他電源電纜。橋式整流器和 N+1 O-Ring 是兩種 PoE 控制器類型??捎锰匦钥赡馨?N 和 P 溝道 FET、內(nèi)部開關(guān)和汽車認(rèn)證。

DESCRIPTION

The LTC?9101-3/LTC9103 chipset is a 8/16-port power

sourcing equipment (PSE) controller and power manager

designed for use in IEEE 802.3at compliant Power

over Ethernet (PoE) systems. The LTC9101-3 manages a

user-defined system-level power budget across all ports.

Port power is automatically assigned based on system

power availability, initial physical classification and after

power up, port dynamic power consumption.

The LTC9101-3 prioritizes port power by port number (port 1

is highest priority) and automatically removes power from

lower priority ports to accommodate higher priority ports.

The LTC9101-3 features an interface to control an external

serial LED driver. LED indications include Port On, Port

Off, Port Power Denied, and Port Fault states. A Supply

Overload LED indicates system power usage is near

power limit or a port is being denied power.

The LTC9101-3 operates without a host present.

Configuration is accomplished by pin settings and I2Cbased

flash programming.

The LTC9101-3 autonomously performs compliant

802.3at detection, classification power up, power on, and

fault management.

FEATURES

- Fully Compliant IEEE 802.3at (Type 2) PSE

- Up to 16 PSE Ports

- Fully Autonomous System-Level Power Manager

- No Host Processor Required

- System-Level PoE LED Controller

- Per-Port Status and Fault LEDs

- Supply Overload LED with Hysteresis

- eFlash-Programmable System Settings

- Port- and System-Level Power Thresholds

- LED Mapping and Blink Rate

- Port Power Priority

- ECC-Protected eFlash and Data RAMs

- Very High Reliability Multipoint PD Detection

- Lowest Per-Port Power Path Dissipation

- 100mΩ Sense Resistance

- 57mΩ or Lower MOSFET RDS(ON)

- Chipset Isolation Eliminates Isolated 3.3V Supply

- Available in a 64-Lead 7mm × 11mm (LTC9103) and

24-Lead 4mm × 4mm (LTC9101-3) QFN Packages

APPLICATIONS

- Small Business PoE PSE Switches/Routers

產(chǎn)品屬性

更多
  • 產(chǎn)品編號(hào):

    LTC4278CDKD#TRPBF

  • 制造商:

    Analog Devices Inc.

  • 類別:

    集成電路(IC) > 以太網(wǎng)供電(PoE)控制器

  • 包裝:

    卷帶(TR)剪切帶(CT)Digi-Reel? 得捷定制卷帶

  • 類型:

    控制器(PD),DC/DC

  • 內(nèi)部開關(guān):

  • 輔助作用:

  • 標(biāo)準(zhǔn):

    802.3at(PoE+),802.3af(PoE)

  • 電壓 - 供電:

    37.2V ~ 60V

  • 電流 - 供電:

    1.35mA(最大)

  • 工作溫度:

    0°C ~ 70°C

  • 安裝類型:

    表面貼裝型

  • 封裝/外殼:

    32-WFDFN 裸露焊盤

  • 供應(yīng)商器件封裝:

    32-DFN(7x4)

  • 描述:

    IC POE CNTRL 1 CHANNEL 32DFN

供應(yīng)商 型號(hào) 品牌 批號(hào) 封裝 庫存 備注 價(jià)格
ADI(亞德諾)
23+
DFN32(4x7)
7350
原裝進(jìn)口,原廠直銷!當(dāng)天可交貨,支持原型號(hào)開票!
詢價(jià)
只做原裝
24+
DFN32
36520
一級(jí)代理/放心采購
詢價(jià)
ADI/亞德諾
22+
QFN
100000
代理渠道/只做原裝/可含稅
詢價(jià)
Linear
24+
DFN32
20000
全新原廠原裝,進(jìn)口正品現(xiàn)貨,正規(guī)渠道可含稅??!
詢價(jià)
LINEAR/凌特
DFN32
20
一級(jí)代理,專注軍工、汽車、醫(yī)療、工業(yè)、新能源、電力
詢價(jià)
ADI(亞德諾)/LINEAR(凌特)
20+
DFN-32(4x7)
52
詢價(jià)
Linear
23+
DFN32
999999
原裝正品現(xiàn)貨量大可訂貨
詢價(jià)
LT/凌特
19+
QFN
15000
長期代理優(yōu)勢供應(yīng)LT凌特 可開增票
詢價(jià)
ADI/亞德諾
20+
QFN
880000
明嘉萊只做原裝正品現(xiàn)貨
詢價(jià)
LINEAR
22+23+
DFN32
31980
絕對(duì)原裝正品全新進(jìn)口深圳現(xiàn)貨
詢價(jià)