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参数资料
| 型号： | MAX5952AEAX+ |
| 厂商： | Maxim Integrated |
| 文件页数： | 5/50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： | 30 |
| 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： | -40°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： | 管件 |
| 产品目录页面： | 1423 (CN2011-ZH PDF) |
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High-Power, Quad, PSE Controller
for Power-Over-Ethernet
_______________________________________________________________________________________ 5
ELECTRICAL CHARACTERISTICS (continued)
(V
AGND
= 32V to 60V, V
EE
= 0V, V
DD
to V
DGND
= +3.3V, all voltages are referenced to V
EE
, unless otherwise noted. Typical values are at
V
AGND
= +48V, V
DGND
= +48V, V
DD
= (V
DGND
+ 3.3V), T
A
= +25癈. Currents are positive when entering the pin and negative other-
wise.) (Note 2)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
LOAD DISCONNECT
DC Load Disconnect
Threshold
V
DCTH
Minimum V
SENSE
allowed before disconnect
(DC disconnect active), V
OUT_
= 0V
2.5
3.75
5.0
mV
AC Load Disconnect
Threshold (Note 6)
I
ACTH
Current into DET_, for I < I
ACTH
the port
powers off, ACD_EN_ bit = H; V
OSC_IN
= 2.2V
300
320
350
礎
Oscillator Buffer Gain
A
OSC
V
DET_
/V
OSC
, ACD_EN_ bit = H
2.9
3.0
3.1
V/V
OSC Fail Threshold (Note 7)
V
OSC_FAIL
Port does not power on if V
OSC
< V
OSC_FAIL
and ACD_EN_ bit is high
1.8
2.2
V
OSC Input Impedance
Z
OSC
OSC input impedance when all the ACD_EN_
are active
100
k?/DIV>
Load Disconnect Timer
t
DISC
Time from V
SENSE
< V
DCTH
to gate shutdown
(Note 8)
300
400
ms
DETECTION
Detection Probe Voltage
(First Phase)
V
DPH1
V
AGND
- V
DET_
during the first detection
phase
3.8
4
4.2
V
Detection Probe Voltage
(Second Phase)
V
DPH2
V
AGND
- V
DET_
during the second detection
phase
9.0
9.3
9.6
V
Current-Limit Protection
I
DLIM
V
DET_
= V
AGND
, during detection, measure
current through DET_
1.5
1.75
2.0
mA
Short-Circuit Threshold
V
DCP
If V
AGND
- V
OUT
< V
DCP
after the first
detection phase a short circuit to AGND is
detected
1
V
Open-Circuit Threshold
I
D_OPEN
First point measurement current threshold for
open condition
12.5
礎
Resistor Detection Window
R
DOK
(Note 9)
19.0
26.5
k?/DIV>
Detection rejects lower values
15.2
Resistor Rejection Window
R
DBAD
Detection rejects higher values
32
k?/DIV>
CLASSIFICATION
Classification Probe Voltage
V
CL
V
AGND
- V
DET_
during classification
16
20
V
Current-Limit Protection
I
CILIM
DET_ = AGND, during classification, measure
current through DET_
68
81
mA
Class 0, Class 1
5.5
6.5
7.5
Class 1, Class 2
13
14.5
16
Class 2, Class 3
21
23
25
Class 3, Class 4
31
33
35
Classification Current
Thresholds
I
CL
Classification current
thresholds between
classes
Class 4, Class 5
45
48
51
mA
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX5952AEAX+ | 功能描述:热插拔功率分布 Quad PSE Controller for POE 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 |
| MAX5952AEAX+CK8 | 功能描述:热插拔功率分布 Quad PSE Controller for POE 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 |
| MAX5952AEAX+T | 功能描述:热插拔功率分布 Quad PSE Controller for POE 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 |
| MAX5952AEVCMAXQU | 功能描述:热插拔功率分布 Evaluation Kit/Evaluation System for the MAX5952A 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 |
| MAX5952AEVKIT | 功能描述:电源管理IC开发工具 Evaluation Kit/Evaluation System for the MAX5952A RoHS:否 制造商:Maxim Integrated 产品:Evaluation Kits 类型:Battery Management 工具用于评估:MAX17710GB 输入电压: 输出电压:1.8 V |
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