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參數資料
型號: MAX5969DETE+T
廠商: Maxim Integrated
文件頁數: 1/16頁
文件大小: 1236K
描述: IC CTRLR INTERFCE W/MOSFT 16TQFN
標準包裝: 2,500
類型: 以太網供電控制器 PD 開關(PoE)
應用: 遠程外設(工業控制,相機,數據訪問)
內部開關:
電流限制: 720mA 至 880mA
電源電壓: 60V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 16-WQFN 裸露焊盤
供應商設備封裝: 16-TQFN-EP(5x5)
包裝: 帶卷 (TR)
IEEE 802.3af/at-Compliant, Powered Device Interface
Controller with Integrated Power MOSFET
 _______________________________________________________________ Maxim Integrated Products 1
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,
or visit Maxims website at www.maxim-ic.com.
  General Description
The MAX5969D provides a complete interface for a
powered device (PD) to comply with the IEEE
?/DIV>
 802.3af/
at standard in a power-over-Ethernet (PoE) system. The
MAX5969D provides the PD with a detection signa-
ture, classification signature, and an integrated isolation
power switch with inrush current control. During the
inrush period, the MAX5969D limits the current to less
than 180mA before switching to the higher current limit
(720mA to 880mA) when the isolation power MOSFET
is fully enhanced. The device features an input UVLO
with wide hysteresis and long deglitch time to compen-
sate for twisted-pair cable resistive drop and to assure
glitch-free transition during power-on/-off conditions. The
MAX5969D can withstand up to 100V at the input.
The MAX5969D supports a 2-event classification method
as specified in the IEEE 802.3at standard and provide a
signal to indicate when probed by a Type 2 power sourc-
ing equipment (PSE). The device detects the presence
of a wall adapter power source connection and allow a
smooth switch over from the PoE power source to the
wall power adaptor.
The MAX5969D also provides a power-good (PG) signal,
two-step current limit and foldback, overtemperature pro-
tection, and di/dt limit. The MAX5969D is available in a
16-pin, 5mm x 5mm TQFN power package. This device is
rated over the -40NC to +85NC extended temperature range.
  Features
S IEEE 802.3af/at Compliant
S 2-Event Classification or an External Wall Adapter
Indicator Output
S Simplified Wall Adapter Interface
S PoE Classification 05
S 100V Input Absolute Maximum Rating
S Inrush Current Limit of 180mA Maximum
S Current Limit During Normal Operation Between
720mA and 880mA
S Current Limit and Foldback
S Legacy UVLO at 36V
S Overtemperature Protection
S Thermally Enhanced, 5mm x 5mm, 16-Pin TQFN
  Applications
IEEE 802.3af/at Powered Devices
IP Phones, Wireless Access Nodes, IP Security
Cameras
WiMAXK Base Stations
19-5926; Rev 0; 6/11
+Denotes a lead(Pb)-free/RoHS-compliant package.
*EP = Exposed pad.
  Ordering Information
WiMAX is a trademark of WiMAX Forum.
IEEE is a registered service mark of the Institute of Electrical
and Electronics Engineers, Inc.
PART
TEMP RANGE
PIN-PACKAGE
MAX5969DETE+
-40NC to +85NC
16 TQFN-EP*
相關PDF資料
PDF描述
MAX5971AETI+ IC CTRLR PD IEEE 802.3AF 28WQFN
MAX5972AETE+T IC CONTROLLER INTERFACE 16TQFN
MAX5978ETJ+ IC CTLR HOT-SWAP 32TQFN
MAX5981BETE+ IC CTRLR PD IEEE 802.3AF 16TQFN
MAX5986AETE+ IC POE SWITCH PSE 16TQFN
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