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参数资料
| 型号： | MAX5952CUAX+T |
| 厂商： | Maxim Integrated |
| 文件页数： | 31/50页 |
| 文件大小： | 1006K |
| 描述： | IC PSE CNTRLR FOR POE 36-SSOP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 1,000 |
| 类型： | 以太网供电控制器（PoE） |
| 应用： | 远程外设（工业控制，相机，数据访问） |
| 内部开关： | 无 |
| 工作温度： | 0°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 36-BSOP（0.295"，7.50mm 宽） |
| 供应商设备封装： | 36-SSOP |
| 包装： | 带卷 (TR) |
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High-Power, Quad, PSE Controller
for Power-Over-Ethernet
______________________________________________________________________________________ 31
PGOOD_ is set to 1 (Table 14) at the end of the power-
up startup period if the power-good condition is met (0
< (V
OUT
- V
EE
) < PG
TH
). The power-good condition
must remain valid for more than t
PGOOD
to assert
PGOOD_. PGOOD_ is reset to 0 whenever the output
falls out of the power-good condition. A fault condition
immediately forces PGOOD_ low.
PWR_EN_ is set to 1 when the port power is turned on.
PWR_EN resets to 0 as soon as the port turns off. Any
transition of PGOOD_ and PWR_EN_ bits set the corre-
sponding bit in the power event registers R02h/R03h
(Table 8). A reset sets R10h = 00h.
Table 14. Power Status Register
ADDRESS = 10h
SYMBOL
BIT
R/W
DESCRIPTION
PGOOD4
7
R
Power-good condition on port 4
PGOOD3
6
R
Power-good condition on port 3
PGOOD2
5
R
Power-good condition on port 2
PGOOD1
4
R
Power-good condition on port 1
PWR_EN4
3
R
Power is enabled on port 4
PWR_EN3
2
R
Power is enabled on port 3
PWR_EN2
1
R
Power is enabled on port 2
PWR_EN1
0
R
Power is enabled on port 1
Table 15. Address Input Status Register
ADDRESS = 11h
SYMBOL
BIT
R/W
DESCRIPTION
Reserved
7
R
Reserved
Reserved
6
R
Reserved
A3
5
R
Device address, A3 pin latched-in status
A2
4
R
Device address, A2 pin latched-in status
A1
3
R
Device address, A1 pin latched-in status
A0
2
R
Device address, A0 pin latched-in status
MIDSPAN
1
R
MIDSPAN inputs latched-in status
AUTO
0
R
AUTO inputs latched-in status
A3, A2, A1, A0 (Table 15) represent the four LSBs of
the MAX5952 address (Table 4). During a reset, the
device latches into R11h. These four bits address from
the corresponding inputs as well as the state of the
MIDSPAN and AUTO inputs. Changes to those inputs
during normal operation are ignored.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX5952DEAX+ | 制造商:Maxim Integrated Products 功能描述:- Rail/Tube |
| MAX5952DEAX+T | 制造商:Maxim Integrated Products 功能描述:HIGH-POWER QUAD PSE CONTROLLER FOR - Tape and Reel |
| MAX5952DUAX+ | 制造商:Maxim Integrated Products 功能描述:- Rail/Tube |
| MAX5952DUAX+T | 制造商:Maxim Integrated Products 功能描述:HIGH-POWER QUAD PSE CONTROLLER FOR - Tape and Reel |
| MAX5953AUTM+ | 功能描述:电压模式 PWM 控制器 IEEE 802.3af PD Int & PWM Controller RoHS:否 制造商:Texas Instruments 输出端数量:1 拓扑结构:Buck 输出电压:34 V 输出电流: 开关频率: 工作电源电压:4.5 V to 5.5 V 电源电流:600 uA 最大工作温度:+ 125 C 最小工作温度:- 40 C 封装 / 箱体:WSON-8 封装:Reel |
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