LTC4270BIUKG#PBF

Mfr. #:: LTC4270BIUKG#PBF
制造商:: Analog Devices Inc.
描述:: Power Switch ICs - POE / LAN PoE+ 25.5W 12-Port PSE Controller (Ethernet interface)
生命周期:: 制造商新产品。
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ECAD Model:
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产品属性
属性值

制造商：: 模拟设备公司

产品分类：: 电源开关 IC - POE / LAN

RoHS：: Y

类型：: 供电设备 - PSE

标准：: 802.3at

安装方式：: 贴片/贴片

包装/案例：: QFN-52

打包：: 管子

系列：: LTC4270

品牌：: 模拟设备公司

产品类别：: 电源开关 IC - POE / LAN

出厂包装数量：: 45

子类别：: 开关 IC

单位重量：: 0.018484 oz

Tags: LTC4270BI, LTC4270B, LTC4270, LTC427, LTC42, LTC4, LTC

Service Guarantees

We guarantee 100% customer satisfaction.

Quality Guarantees

We provide 90-360 days warranty.

If the items you received were not in perfect quality, we would be responsible for your refund or replacement, but the items must be returned in their original condition.
Our experienced sales team and tech support team back our services to satisfy all our customers.

we buy and manage excess electronic components, including excess inventory identified for disposal.
Email us if you have excess stock to sell.

Email: [email protected]

Step1:
Vacuum Packaging with PL

Step2:
Anti-Static Bag

Step3:
Packaging Boxes

LTC4270BIUKG#PBF 描述

***nell: IC, PSE CONTROLLER, 3.3V, QFN-52

***ark: IC, PSE CONTROLLER, 3.3V, QFN-52; Input Voltage:3.3V; Supply Current:10mA; UVLO:25V; Digital IC Case Style:QFN; No. of Pins:52; Frequency:1MHz; Operating Temperature Range:-40°C to +85°C; Package / Case:52-QFN ;RoHS Compliant: Yes

***log Devices: The LTC4270/LTC4271 chipset is a 12-port power sourcing equipment (PSE) controller designed for use in IEEE 802.3at Type 1 and Type 2 (high power) compliant Power over Ethernet (PoE) systems. Transformer-isolated communication protocol replaces expensive opto-couplers and complex isolated 3.3V supply resulting in significant BOM cost savings. The LTC4270/LTC4271 chipset delivers lowest-in-industry heat dissipation by utilizing low-RDS(ON) external MOSFETs and 0.25Ω sense resistors. Advanced power management features include per-port 12‑bit current monitoring ADCs, DAC-programmable current limit, and versatile fast shut-down of preselected ports. Advanced power management host software is available under a no-cost license. PD discovery uses a proprietary dual-mode 4-point detection mechanism ensuring excellent immunity from false PD detection. Midspan PSEs are supported with 2-event classification and a 2 second backoff timer. The LTC4270/LTC4271 includes an I2C serial interface operable up to 1MHz. The LTC4270/LTC4271 is available in multiple power grades allowing delivered PD power up to 90W. Applications PoE PSE Switches/Routers PoE PSE Midspans

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