參數(shù)資料
型號: MAX5940A
廠商: Maxim Integrated Products, Inc.
英文描述: IEEE 802.3af PD Interface Controller For Power-Over-Ethernet
中文描述: IEEE 802.3af PD接口控制器,用于以太網(wǎng)供電
文件頁數(shù): 12/15頁
文件大?。?/td> 295K
代理商: MAX5940A
M
IEEE 802.3af PD Interface Controller
For Power-Over-Ethernet
12
______________________________________________________________________________________
60V
68nF
UVLO
GND
V
EE
GATE
RCLASS
PGOOD
PGOOD
DC-DC CONVERTER
GND
-48V
WALL
ADAPTER
SUPPLY
R
CL
D1
GND
V+
VREG
OUT
1
2
3
4
5
6
7
8
C
OUT
C
GATE
R
DISC
25.5k
SS_SHDN
MAX5014
MAX5940B
LOAD
R4
4k
2W
D2
Typical Application Circuits (continued)
Figure 6. Adding Wall Adapter Input Supply (Wall Adapter Supply And Power-Over-Ethernet Co-Exist, the One with Higher Voltage
Provides Power To The Load)
Application Circuit 3
D2 prevents the wall adapter power from polluting the
discovery and classification signatures. The optional
R4 provides the 10mA minimum power maintenance
signature to keep the power-over-ethernet from discon-
necting.
相關(guān)PDF資料
PDF描述
MAX5940B IEEE 802.3af PD Interface Controller For Power-Over-Ethernet
MAX5940A-MAX5940B Quadruple 2-Input Positive-NAND Buffers 14-CDIP -55 to 125
MAX5940AESA IEEE 802.3af PD Interface Controller For Power-Over-Ethernet
MAX5940BESA IEEE 802.3af PD Interface Controller For Power-Over-Ethernet
MAX5941B IEEE 802.3af-Compliant Power-Over-Ethernet Interface/PWM Controller for Power Devices
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX5940ACSA+T 制造商:Maxim Integrated Products 功能描述:IEEE 802.3AF PD INTERFACE CONTROLLER FOR POWER-OVER-ETHERNET - Tape and Reel
MAX5940AESA 功能描述:輸入/輸出控制器接口集成電路 RoHS:否 制造商:Silicon Labs 產(chǎn)品: 輸入/輸出端數(shù)量: 工作電源電壓: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-64 封裝:Tray
MAX5940AESA+ 功能描述:輸入/輸出控制器接口集成電路 IEEE 802.3af PD Int Controller RoHS:否 制造商:Silicon Labs 產(chǎn)品: 輸入/輸出端數(shù)量: 工作電源電壓: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-64 封裝:Tray
MAX5940AESA+T 功能描述:輸入/輸出控制器接口集成電路 IEEE 802.3af PD Int Controller RoHS:否 制造商:Silicon Labs 產(chǎn)品: 輸入/輸出端數(shù)量: 工作電源電壓: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-64 封裝:Tray
MAX5940AESA-T 功能描述:輸入/輸出控制器接口集成電路 RoHS:否 制造商:Silicon Labs 產(chǎn)品: 輸入/輸出端數(shù)量: 工作電源電壓: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-64 封裝:Tray