LTC4270BIUKG#PBF

Mfr. #:: LTC4270BIUKG#PBF
製造商:: Analog Devices Inc.
描述:: Power Switch ICs - POE / LAN PoE+ 25.5W 12-Port PSE Controller (Ethernet interface)
生命週期:: 製造商新產品
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ECAD Model:
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產品屬性
屬性值

製造商：: 模擬設備公司

產品分類：: 電源開關 IC - POE / LAN

RoHS：: Y

類型：: 供電設備 - PSE

標準：: 802.3at

安裝方式：: 貼片/貼片

包裝/案例：: QFN-52

打包：: 管子

系列：: LTC4270

品牌：: 模擬設備公司

產品類別：: 電源開關 IC - POE / LAN

出廠包裝數量：: 45

子類別：: 開關 IC

單位重量：: 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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