参数资料
型号: MAX5972AETE+T
厂商: Maxim Integrated
文件页数: 5/13页
文件大小: 1120K
描述: IC CONTROLLER INTERFACE 16TQFN
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 2,500
类型: 以太网供电开关(PoE)
应用: IP 电话,LAN 网络供电,网络路由器和交换机
内部开关:
电流限制: 可调
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 16-WQFN 裸露焊盘
供应商设备封装: 16-TQFN-EP(5x5)
包装: 带卷 (TR)
IEEE 802.3af/at-Compliant, Powered Device Interface
Controller with Integrated Power MOSFET
_______________________________________________________________________________________ 5
  Typical Operating Characteristics (continued)
(V
IN
 = (V
DD
 - V
SS
) = 54V, R
DET
 = 24.9k? R
CLS
 = 615? RTN, WAD, PG, and 2EC unconnected; all voltages are referenced to V
SS.
)
2EC SINK CURRENT vs. 2EC VOLTAGE
V
2EC
 (V)
50
40
30
20
10
0.4
0.8
1.2
1.6
2.0
0
0
60
V
SS
 UNCONNECTED
V
2EC
 REFERENCED TO RTN
V
WAD
 = 14V
T
A
 = -40NC
T
A
 = +85NC
T
A
 = +25NC
PG SINK CURRENT vs. PG VOLTAGE
V
PG
 (V)
50
40
30
20
10
100
150
200
250
300
50
0
60
T
A
 = -40NC
T
A
 = +85NC
T
A
 = +25NC
INRUSH CURRENT LIMIT
vs. RTN VOLTAGE
V
RTN
 (V)
50
40
30
20
10
70
90
110
130
150
50
0
60
NORMAL OPERATION CURRENT LIMIT
vs. RTN VOLTAGE
V
RTN
(V)
50
40
10
20
30
200
300
400
500
600
700
800
900
100
0
60
INRUSH CONTROL WAVEFORM WITH
TYPE 2 CLASSIFICATION
MAX5972A toc10
0V
0V
0A
0V
V
RTN
50V/div
I
RTN
100mA/div
V
DD
50V/div
V
2EC
50V/div
200祍/div
USING TYPICAL APPLICATION CIRCUIT
2EC PULLED UP TO V
DD
 WITH 10kI
ENTERING POWER MODE WITH
TYPE 2 CLASSIFICATION
MAX5972A toc11
V
PG
10V/div
0V
0V
0V
0A
0V
V
RTN
50V/div
I
RTN
200mA/div
V
DD
50V/div
20ms/div
V
2EC
40V/div
USING TYPICAL APPLICATION CIRCUIT
2EC PULLED UP TO V
DD
 WITH 10kI
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相关代理商/技术参数
参数描述
MAX5972AEVKIT 制造商:Maxim Integrated Products 功能描述:IEEE 802.3AF/AT-COMPLIANT POWERED DEVICE INTERFACE CONTROLLE - Boxed Product (Development Kits)
MAX5972BETE+ 功能描述:热插拔功率分布 IEEE 802.3af/at PDIC Controller RoHS:否 制造商:Texas Instruments 产品:Controllers & Switches 电流限制: 电源电压-最大:7 V 电源电压-最小:- 0.3 V 工作温度范围: 功率耗散: 安装风格:SMD/SMT 封装 / 箱体:MSOP-8 封装:Tube
MAX5972BETE+T 功能描述:热插拔功率分布 IEEE 802.3af/at PDIC Controller RoHS:否 制造商:Texas Instruments 产品:Controllers & Switches 电流限制: 电源电压-最大:7 V 电源电压-最小:- 0.3 V 工作温度范围: 功率耗散: 安装风格:SMD/SMT 封装 / 箱体:MSOP-8 封装:Tube
MAX5973BETL+ 功能描述:监控电路 Phase Redundancy Power Supervisor RoHS:否 制造商:STMicroelectronics 监测电压数: 监测电压: 欠电压阈值: 过电压阈值: 输出类型:Active Low, Open Drain 人工复位:Resettable 监视器:No Watchdog 电池备用开关:No Backup 上电复位延迟(典型值):10 s 电源电压-最大:5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:UDFN-6 封装:Reel
MAX5973BETL+T 功能描述:监控电路 Phase Redundancy Power Supervisor RoHS:否 制造商:STMicroelectronics 监测电压数: 监测电压: 欠电压阈值: 过电压阈值: 输出类型:Active Low, Open Drain 人工复位:Resettable 监视器:No Watchdog 电池备用开关:No Backup 上电复位延迟(典型值):10 s 电源电压-最大:5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:UDFN-6 封装:Reel