參數(shù)資料
型號(hào): 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(yè)數(shù): 13/15頁(yè)
文件大?。?/td> 295K
代理商: MAX5940A
M
IEEE 802.3af PD Interface Controller
For Power-Over-Ethernet
______________________________________________________________________________________
13
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
Typical Application Circuits (continued)
Application Circuit 4
If the wall adapter supply comes up first, it provides
power to the load and pollute the discovery and classi-
fication signatures. If the power-over-ethernet comes
up first, it powers the load until taken over by a wall
adapter with higher output voltage.
Figure 7. Adding Wall Adapter Input Supply (the One with Higher Voltage Provides Power to the Load)
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