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参数资料
| 型号： | MAX5952CEAX+ |
| 厂商： | Maxim Integrated |
| 文件页数： | 6/50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 |
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High-Power, Quad, PSE Controller
for Power-Over-Ethernet
6 _______________________________________________________________________________________
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
DIGITAL INPUTS/OUTPUTS (Referred to DGND)
Digital Input Low
V
IL
0.9
V
Digital Input High
V
IH
2.4
V
Internal Input Pullup/Pulldown
Resistor
R
DIN
Pullup (pulldown) resistor to V
DD
(DGND) to
set default level
25
50
75
k&
O p
en- D r ai n O utp ut Low
V ol tag e
V
OL
I
SINK
= 15mA
0.4
V
Digital Input Leakage
I
DL
Input connected to the pull voltage
2
礎
Open-Drain Leakage
I
OL
Open-drain high impedance, V
O
= 3.3V
2
礎
TIMING
Startup Time
t
START
Time during which a current limit set by
V
SU_LIM
is allowed, starts when the GATE_ is
turned on (Note 5)
50
60
70
ms
Fault Time
t
FAULT
Maximum allowed time for an overcurrent
condition set by V
FLT_LIM
after startup (Note 5)
50
60
70
ms
Port Turn-Off Time
t
OFF
Minimum delay between any port turning off,
does not apply in case of a reset
0.5
ms
Detection Reset Time
Time allowed for the port voltage to reset
before detection starts
80
90
ms
Detection Time
t
DET
Maximum time allowed before detection is
completed
330
ms
M i d sp an M od e D
etecti on D el ay
t
DMID
2.0
2.4
s
Classification Time
t
CLASS
Time allowed for classification
19
23
ms
V
EEUVLO
Turn-On Delay
t
DLY
Time V
AGND
must be above the V
EEUVLO
thresholds before the device operates
2
4
ms
RSTR bits = 00
16 x
t
FAULT
RSTR bits = 01
32 x
t
FAULT
RSTR bits = 10
64 x
t
FAULT
Restart Timer
t
RESTART
Time a port has to wait
before turning on after an
overcurrent fault,
RSTR_EN_ bits = high
RSTR bits = 11
0
ms
Watchdog Clock Period
t
WD
Rate of decrement of the watchdog timer
164
ms
ADC PERFORMANCE
Resolution
9
Bits
Range
0.51
V
LSB Step Size
1
mV
Integral Nonlinearity (Relative)
INL
0.5
LSB
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX5952CEAX+ | 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 |
| MAX5952CEAX+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 |
| MAX5952CUAX+ | 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 |
| MAX5952CUAX+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 |
| MAX5952DEAX+ | 制造商:Maxim Integrated Products 功能描述:- Rail/Tube |
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