LTC4259

LTC4259 LTC4259ACGW LTC4259ACGW-1 --  Quad IEEE 802.3af Power over Ethernet Controller with AC Disconnect

Feature

■ Controls Four Independent – 48V Powered Ethernet Ports

■ Each LTC4259A-1 Port Includes:

– IEEE 802®.3af Compliant PD Detection and Classification

– Output Current Limit with Foldback

– Short-Circuit Protection with Fast Gate Pull-Down

– PD Disconnect Using AC or DC Sensing

– Improved AC Disconnect

– Improved UVLO

■ Operates Autonomously or Controlled by I2CTM Serial Interface

■ 4-Bit Programmable Digital Address Allows Control of Up to 64 Ports

■ Current and Duty Cycle Limits Protect External FETs

■ IMPROVED UVLO

■ Available in a 36-pin SSOP package.

-------------------------------------------------------------------------------------------------------------------------

【買家必讀】：電子元器件是專業型的產品，技術含量較高，本身可能存在多種品牌，後輟與封裝，可能導致參數與性能的差異，如有不慎，很有可能導致元器件購買錯誤，為了更好的解決您的問題，所以請您務必在下单前，將產品的封裝、後綴告訴我們。以便我們能準確迅速的为您查询。

由于客户采购批量与样品的价格不同，网上无法统一注明，请您把采购型号通过页面旺旺或客服QQ401799895或拨打国内销售部电话：0755-83957301，由客服人员为您报价；有时元件厂商价格稍许变动，本公司未能及时调整，如您觉得售价稍高，请与我们说明并适当议价，我们会根据市场情况给您相应的折扣，我们保证提供最市场最优势的价格最好元器件；感谢支持（所售元件均无含税，需开普票7%和增值票17%的客户请说明）

-------------------------------------------------------------------------------------------------------------------------

MJD is a corporation which engaged in agency electronic components. MJD Through seventeen years unrimitting efforts,  aspire to provide our customers with world-leading products and service. Now already became a one of the most famous electronic components distributor in China.

Because of wholesale price is different from sample price, our website can not state.Please send your required part number via email to Sales@hkmjd.com or add our skype id mjdccm898 for online talking.As well as welcome you call us : 0755-83957301  We will send offer for you;  Sometimes manufacturer's price is unstable, so we don't adjust price in time. if you feel price is a little high for you, just feel free to contact us for consultation. Thank you for your support ！